WO1992014909A1 - Moteur a combustion interne a piston rotatif - Google Patents
Moteur a combustion interne a piston rotatif Download PDFInfo
- Publication number
- WO1992014909A1 WO1992014909A1 PCT/JP1992/000175 JP9200175W WO9214909A1 WO 1992014909 A1 WO1992014909 A1 WO 1992014909A1 JP 9200175 W JP9200175 W JP 9200175W WO 9214909 A1 WO9214909 A1 WO 9214909A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- circle
- radius
- trochoid
- piston
- point
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C1/00—Rotary-piston machines or engines
- F01C1/22—Rotary-piston machines or engines of internal-axis type with equidirectional movement of co-operating members at the points of engagement, or with one of the co-operating members being stationary, the inner member having more teeth or tooth- equivalents than the outer member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B55/00—Internal-combustion aspects of rotary pistons; Outer members for co-operation with rotary pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B55/00—Internal-combustion aspects of rotary pistons; Outer members for co-operation with rotary pistons
- F02B55/14—Shapes or constructions of combustion chambers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B75/00—Other engines
- F02B75/02—Engines characterised by their cycles, e.g. six-stroke
- F02B75/021—Engines characterised by their cycles, e.g. six-stroke having six or more strokes per cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B53/00—Internal-combustion aspects of rotary-piston or oscillating-piston engines
- F02B2053/005—Wankel engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B53/00—Internal-combustion aspects of rotary-piston or oscillating-piston engines
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Definitions
- the present invention relates to a rotating piston-type internal combustion engine and a reciprocating piston-type internal combustion engine free from obstacles caused by reciprocating mass among internal combustion engines.
- internal combustion engines that have been put into practical use include a reciprocating piston type internal combustion engine and a bangel type rotating piston type internal combustion engine, except for gas turbines.
- the present invention provides: (1) a rotary piston type internal combustion engine that is free from obstruction due to reciprocating mass, (2> has enough time for combustion, and (3) obtains a sufficient compression ratio necessary for a diesel engine to be established,
- the objective is to provide a reciprocating biston-type internal combustion engine that is free from obstacles caused by the backward movement mass.
- the housing has a cylindrical cavity, and a curve defining a side wall of the cylindrical cavity of the housing is a “base circle of peritrochoid”.
- the base circle of the peritrochoid is fixed to the eccentric arm of the hypertrochoid so that the hypotrochoid and the hypotrochoid concentric circle are concentric, and the center of the peritrochoid inversion circle is the creation point of the hypotrochoid
- the eccentric arm of the peritrochoid is fixed to the generating arm of the hyperbotrochod, and the synthetic trochoid which is the track J of the creation point of the peritrochoid, or the synthetic trochoid is moved outward in parallel.
- a ratio of a radius of the base circle to the radius of the rolling circle in the high-bottle locoid is 2: 1 and a radius of the base circle in the periplasm.
- the ratio of the radius of the base circle to the radius of the inversion circle is 2: 3, and the ratio of the radius of the base circle to the radius of the inversion circle in hibotrochoid is 3: 2, and the ratio of ⁇ S to the radius of the base circle in the peritrochoid and the And the ratio of the radius of the base circle to the radius of the inversion circle is 2: 1 in the hyperbotrochoid, and the ratio of the base circle to the peritrochoid in the peritrochoid is 5
- the reciprocating piston is placed at the creation point of the synthetic trochoid with the ratio of 1: 2 to form a reciprocating piston-type internal combustion engine.
- a base circle A having a radius a and a turning circle B having a radius b constitute a hybotrochoid
- a base circle E having Is a peritrochoid in the hyperbochoid of base circle A and B, the fixed point R, which is an extension of the radius of the B circle, is the creation point, the distance OQ is the eccentricity, and the distance QR Is called the creation radius.
- the arm OQ is called the eccentric arm of the hybotrochoid
- the arm QR is called the creating arm of the hybotrochoid.
- the fixed point P is created on the extension of the radius of the turning circle F.
- Point and distance QR are called eccentricity, and distance ⁇ composite RP is called.
- the arm QR is called the eccentric arm of peritrochoid
- the arm RP is called the creation arm of peritrochoid.
- the inside portion of the cylindrical cavity of the housing is generally referred to as an inner surface
- the flat portion at the end of the tube is referred to as a bottom surface
- the curved surface portion forming the tube is referred to as a side surface.
- the cross section of the rotating piston is cut on a plane perpendicular to the rotation axis of the rotating piston. It refers to the cut edge.
- the apex of the cross section of the rotating piston is not a point but an arc, and the apex is included in the apex.
- a right prism used as a right prism having a triangular cross section having three vertices a solid surrounded by a polygon is a polyhedron.
- Polygons are called polyhedral faces, polygon sides are called polyhedral edges, and polygon vertices are called polyhedral vertices.
- a prism Two parallel faces of the polyhedron are the bottom face, and a face parallel to one straight line is ®, the next The intersection of the two matching sides is called the side ridge, and when the side ridge of the prism is perpendicular to the bottom, it is called a right prism.
- the side surface of a right prism in geometry is a plane, but in this specification, the side surface is a curved surface, that is, the side surface of the bottom surface is a curve, and the vertex of the bottom surface is a point. It is assumed that a right-angle prism includes an arc that is not an arc.
- the synthesized trochoid is a curve obtained by synthesizing high; ii trochoid and peritrochoid.
- the inversion circle ⁇ and the base circle ⁇ constitute a hibotrochoid
- the inversion circle F and Base circle E forms peritrochoid.
- the base circle E is fixed to the eccentric arm ⁇ ⁇ Q of the hybotrochoid so that the center of the base circle E is the point Q on the eccentric arm OQ of the hybotrochoid so that the base circle E and the inversion circle B are concentric. . Therefore, the turning circle B can rotate around the point Q, but the base circle E cannot rotate around the point Q.
- the revolving circle B revolves around the origin ⁇ while rotating around the point Q on the eccentric arm O Q of the ibotrochoid.
- the base circle E revolves around the origin 0 without rotating together with the eccentric arm O Q of the neutrotrochoid as the rotating circle B rotates. Since the base circle E and the turning circle B are concentrically arranged S, the rotation point of the turning circle B causes the creation point R of the hybotrochoid to rotate around the base circle E. Since the turning circle F has the origin point R of the hibotrochoid as the center of the rotation of the turning circle F, the center R of the turning circle F rotates around the base circle E.
- the base circle E and the flip circle F constitute a peritrochoid
- the flip circle F is the base circle E Rolls without slipping while inscribed on the outer circumference.
- Point P is the creation point of peritrochoid consisting of transcircle F and base circle E. Therefore, on a plane with the point Q as the origin, the point P draws a peritrochoid.
- the center R of the rotation of the turning circle F is the creation point R of the hybotrochoid
- the center R of the rotation of the turning circle F draws a hybotrochoid on a plane with the point ⁇ 0 as the origin.
- the »of the point ⁇ is a curve obtained by combining the hypertrochoid and the peritrochoid.
- the point is expressed as“ the base circle of the peritrochoid such that the base circle of the peritrochoid ⁇ is concentric with the transcircle of the hyperbotrochoid ⁇ .
- ⁇ ⁇ is fixed to the eccentric arm G ⁇ Q of the hypotrochoid
- the eccentric arm of peritrochoid QR is fixed to the generating arm QR of the hyperbotrochoid so that the center of the inflection circle F of veritrochod is the creation point R of the hypotrochoid.
- the rolling circle F revolves around the origin 0 while carrying out planetary motion around the point Q.
- the vertex of the cross section of the tillage piston is the creation point P of the rolling circle F. Therefore, the rotating piston revolves around the origin 0 while making a planetary 5 movement around the point Q.
- ⁇ 0 + ⁇ .
- the coordinates of the creation point P (x, y) of the synthetic trochoid are as follows.
- the ratio of b of the turning circle B to ⁇ 3 ⁇ 4e of the base circle E is c
- the ratio of the radius e of the base circle E to half of the turning circle F is n.
- the coordinates of the creation point P (x, y) of the synthetic trochoid are as follows.
- ⁇ (2) can be expressed by various synthetic protocols depending on the values of a, b, c, d, r and / 8. (See Figures 15 to 26).
- the purpose of the translation is to make the shape of the vertex of the cross section of the rotating piston an arc of radius t, and to make the contact between the vertex of the cross section of the rotating piston and ⁇ of the cylindrical cavity of the housing! ⁇ ! In order to change as the rotation of.
- t is preferably about half the thickness of the apex seal. This is the same method as the Vankel type rotary piston type internal combustion engine.
- the rotating piston is in the shape of a right prism, and the apex of the cross section of the rotating piston is a circle obtained by adding the translational amount of the parallel combined trochoid to the creation point of the combined trochoid or the creation point of the combined trochoid with a radius and a sector. It has an arc shape.
- the piston may have another shape as long as the piston does not interfere with the side wall of the cylindrical cavity of the housing at the curve connecting the vertices of the rotating piston. ,
- the rotating piston type internal combustion engine of the present invention uses a synthetic trochoid or a parallel synthetic trochoid as the curve defining the side profile of the cylindrical cavity of the housing, and the section of the rotating piston.
- the curve that defines the circle is defined as the envelope of the curve group of the composite trochoid or the envelope of the curve group of the parallel trochoid.
- the curve group of the synthetic trochoid is such that the point R, which is the center of the circle F, is the origin R of the XY coordinate system, the circle F is fixed to the XY plane, the base circle F, and the circle E is E.
- the inversion circle E and the base circle F constitute a hybotrochoid.
- the base circle B is fixed to a point Q on the eccentric arm RQ of the noitrotrochoid so that the circle B is concentric with the hypotrochoid inversion circle E.
- the origin of the xy coordinate system is defined as the origin point 0 of the hybotrochoid in the XY coordinate system. Then, fix the xy plane to the peritrochoidal inversion circle A of the XY coordinate system. In other words, the trajectory of the origin point P of the synthetic trochoid in the xy coordinate system is drawn on the plane on the transcircle A of the peritrochoid in the XY coordinate system.
- the xy coordinate system moves in parallel to the origin point 0 of the hybotrochoid in the XY coordinate system, and the xy coordinate system rotates due to the rotation of the peritrochodic transcircle A in the XY coordinate system.
- the coordinates of the creation point 0 of the hypertrochoid in the XY coordinate system are (Xo, Yo)
- the rotation angle of the trochoidal circle ⁇ in the XY coordinate system is ⁇
- the creation point P of the composite trochoid in the xy coordinate system is Assuming that the coordinates are P (X, y), the coordinates of the curve group P (X, Y) are as follows.
- the curve group P (X, Y) of the trajectory of the origin point P (x, y) of the synthetic trochoid in the xy coordinate system is obtained in the XY coordinate system as follows.
- FIGS. 10 and 32 examples of the curve group of the composite trochoid P (x, y) are shown in FIGS.
- the reference synthetic trochoid P (X, y) is drawn with a thick line, and as can be seen in FIGS. 10 and 32, the curve that defines the outline of the cylindrical cavity of the housing Can be used as the outer envelope of the curve group of curve J that defines the contour of the cross section of.
- the curve that defines the side profile of the cylindrical cavity of the housing is ⁇
- the circle F is the base circle F
- the circle ⁇ is the roll circle ⁇
- the roll circle ⁇ and the base circle F form a hybotrocode
- the circle ⁇ The eccentric arm of the hypotrochoid is fixed to point Q on the RQ so that it is concentric with the hypotrochoid's inversion circle ⁇ , and the base of the hypotrochoid A.
- circle A is assumed to be a turning circle A, and turning circle A and base B form a peritrochoid, so that the radius of creation of peritrochoid 0 and the radius a of peritrochoid
- h is the ratio of the peritrochoid and ha is the phase angle of the peritrochoid creation ⁇
- the creation point of the synthetic trochoid in the above configuration is point P (V, w).
- Points? Assuming that the trajectory of (V, w) is a curve defining the contour of the new surface of the rotating biston, the coordinates of the point P (v.) Are expressed by the following equation, similarly to the curve group of the synthetic trochoid.
- v c (r -b) cos ((a + 7r) + (a-b) cos ⁇ (1-1 r / b) o) + r ⁇
- the contour of the cross section of the rotating piston is defined as a composite trochoid drawn by a point P (V, w), and the outer envelope of the group of curves of the composite trochoid drawn by the point P (v.w) is defined as the cylindrical cavity of the housing.
- Curve that defines the side profile of the vehicle is shown in FIGS. 38 to 40.
- the synthetic trochoid P (V, w) as a reference is drawn with a thick di. It is.
- the shape of the vertex of the cross section of the rotating piston is defined as “an arc J that is obtained by adding a sector having a radius t to the creation point P of the synthetic trochoid expressed by the formulas (1) and (2)”.
- the outer envelope of the curve group of the curve drawn by the shape vertex is ⁇ curve J that defines the side profile of the cylindrical cavity of the housing
- Equations (1) and (2) are the coordinates of the creation point P of the synthetic trochoid expressed by the equations (1) and (2).
- formulas and formulas represent the coordinates of point P 2
- S e-4 rZ 3 formulas and formulas represent the coordinates of point P 3
- the arc of which is t is represented by P
- the shape added to 1, P2, and P3 may be the shape of the vertex of the cross section of the rotating piston.
- the outer line of the group of curves drawn by the arc-shaped vertices of the cross section of the rotating piston may be referred to as “curve j that defines the contour of the cylindrical cavity of the housing. Any curve can be used as long as the curve ⁇ does not interfere with the outer envelope of the group of curves drawn by the arc-shaped vertices of the cross section of the rotating biston.
- an arc having a radius of t is added to the vertex of the cross section of the rotating biston, and the outer envelope of the curve group drawn by the arc-shaped vertex of the cross section of the rotating biston is changed to “the cylindrical cavity of the housing. What is necessary is just to set it as the curve J that defines the contour.Because the arc-shaped apex is the shape of the apex of the avex seal, t is preferably about half the thickness of the avex seal.
- FIG. 41 shows a group of curves representing the cross section of the rotating piston, where of the arc-shaped vertices is t, and a curve connecting the arc-shaped vertices is a straight line. And this curve becomes a translation trochoid.
- the rotary biston-type internal combustion engine of the present invention based on the above configuration, wherein the curve defining the ⁇ section of the cylindrical cavity of the housing is a synthetic trochoid or a parallel composite trochoid, and the curve defining the convergence section of the cross section of the rotary piston is synthesized.
- the trochoid curve group as the inner envelope or the parallel composite trochoid curve group as the && line
- the rotating piston rotates in a planetary motion around the point Q with respect to the origin 0 as the rotating piston rotates. Therefore, the volume of the working chamber acts so as to change with the rotation of the rotary piston.
- the side edge of the rotating piston is a rotor housing.
- the bottom surface of the rotating piston always slides on the inner surface of the side housing.
- the side edge of the rotary piston has an intake hole and an exhaust hole. And can be opened and closed.
- the rotating piston-type internal combustion engine of the present invention acts so that a working chamber whose contact varies with the rotation piston is formed in the housing as the rotating piston rotates.
- FIG. 1 is a perspective view of a rotary biston type internal combustion engine of a first embodiment
- FIG. 2 is a cross-sectional view taken along B1-B2 of FIG. 1
- FIG. 2 is a cross-sectional view taken along line C 1 -C 2 of FIG. 2
- FIG. 4 is a cross-sectional view of D 1-D 2 of FIG. 2
- FIG. 5 is a cross-sectional view of E 1-E 2 of FIG. 2
- FIG. 7 is a cross-sectional view of a rotating piston type internal combustion engine of a third embodiment
- FIG. 8 is a cross-sectional view of a reciprocating piston type internal combustion engine of a fourth embodiment
- FIG. 9 is a composite trochoid of the first embodiment.
- Fig. 10 shows the geometric relationship between the geometric basic structure and the vertices (P and P2, P3) of the cross-section of the synthetic trochoid and the rotating piston.
- Fig. 11 shows the second diagram.
- FIG. 12 shows the geometrical structure of the synthetic trochoid and the cross-sections of the synthetic trochoid and the rotating biston according to the second and third embodiments.
- Fig. 13 shows the geometric relationship between the vertices (P1, P2)
- Fig. 13 shows the balance of the reciprocating piston type internal combustion engine of the fourth embodiment
- Fig. 14 shows the reciprocating piston type.
- Fig. 15 to 26 are explanatory diagrams showing the trajectory of the composite trochoid at the creation point P (X, y), and Fig. 27 is the geometry of the curve group of the composite trochoid.
- Fig. 28 to Fig. 37 are explanatory diagrams of the group of curves of the synthetic trochoid, Fig. 38 to Fig. 40 are explanatory diagrams of the curves defining the cross-sectional contours of the rotating bistons and the curves.
- 41 is a curve representing the cross section of the rotating biston with the radius of the arc-shaped vertex as t, and a curve connecting the arc-shaped vertices, and an explanatory diagram of the curve group.
- Figures 42 to 59 show the first embodiment. Fig.
- Fig. 42 shows the operation at top dead center of intake air
- Fig. 43 shows the intake stroke.
- Operating status at 90 ° after top dead center Fig. 44 is operating status at 180 ° after top dead center of intake stroke
- Fig. 45 is operating status at bottom dead center of intake stroke
- Fig. 46 Is the operation at 180 ° before top dead center in the compression stroke
- Figure 47 is the operation at 90 ° before top dead center in the compression stroke
- Figure 48 is the operation at top dead center in the expansion stroke.
- Fig. 49 shows the operation status at 90 ° after the top dead center of the expansion stroke
- Fig. 50 shows 180 after the top dead center of the expansion stroke.
- Figure 51 shows the expansion
- Fig. 52 shows the operation status at 180 ° before top dead center of the exhaust stroke
- Fig. 53 shows the operation status at 90 ° before top dead center of the exhaust stroke.
- Fig. 54 shows the operation status of the top dead center of the shadow fi3 ⁇ 4
- Fig. 55 shows the ffl status at 18 ° after the top dead center of the tension
- Fig. 56 shows 36 ° after the top dead center of the expansion stroke.
- Fig. 57 shows the operation at 54 ° after the top dead center of the expansion stroke
- Fig. 5 ⁇ shows the operation at 72 ° after the top dead center of the expansion stroke
- Fig. 59 shows the extension.
- Fig. 60 to Fig. 69 show the operation status of the rotary biston-type internal combustion engine in the second example
- Fig. 60 shows the top dead center of the intake air.
- Figure 61 shows the operation at 105 ° after top dead center of the intake stroke
- Figure 62 shows the operation at bottom dead center of the intake stroke
- Figure 63 shows the bottom dead of pressure Operation diagram at 105 ° after the point
- Fig. 64 shows the operation status at the top dead center of the expansion process
- Fig. 65 shows the stretching stroke Operating situation at 105 ° after top dead center Figure
- Figure 66 is the situation at point “E” in the stretching stroke
- Figure 67 is the operating situation at 105 ° after point T ⁇ E in the exhaust stroke
- Fig. 68 shows the operation status at the top dead center of the exhaust stroke
- Fig. 69 shows the operation status at 105 after the top dead center of the intake stroke
- Fig. 70 shows a diagram of the operation of the stone type internal combustion engine at the top dead center of the expansion stroke.
- Fig. 71 shows a diagram of the operation at 105 ° after the top dead center of the expansion stroke.
- Fig. 7 2 is the operation status at the bottom dead center of the expansion stroke,
- Fig. 73 is the operation status at 105 ° after the bottom dead center of the exhaust stroke, and
- Fig. 74 is the operation status diagram at the top dead center of the group stroke.
- FIG. 75 is the operating status at 105 ° after the top dead center of the scavenging process
- Figure 76 is the operating status at the bottom dead center of the scavenging process
- Figure 77 is 105 after the bottom dead center of the scavenging process
- Fig. 8 shows the operation status at the top dead center of the scavenging stroke
- Fig. 79 shows the operation status after the top dead center of the intake stroke.
- FIG. 80 is an operation status diagram at the bottom dead center of the intake stroke
- FIG. 81 is an operation status diagram at 105 ° after the bottom dead center of the compression stroke.
- This embodiment is a rotary piston type internal combustion engine, and has a rotary piston 3 in a cylindrical cavity of a housing whose side profile is formed by a synthetic trochoid. To be able to rotate along (se installation), and The working chamber is formed between the rotating biston 3 and the housing.
- the ratio of the radius a of the base circle A to the radius b of the turning circle B in the hybotrochoid is 2: 1, and the radius e of the base circle E and the radius f of the turning circle F in the peritrochoid.
- x (a-b) cos0 + c (r-b) cos (-of + d c TCOS (0 / S + ⁇ )
- the value of d causes constriction in the minor axis direction of the synthetic trochoid.
- the value of d in the range in which constriction does not occur in the short axis direction of the synthetic trochoid is affected by the value of c, so if the value of c is greater than 1, the constriction in the short axis direction becomes large and the rotating biston type internal combustion engine Not suitable for institutions.
- the value of d is within the range in which constriction does not occur in the short-axis direction of the synthetic trochoid, and the ⁇ & A small value is good as long as it does not interfere with
- c 0.8
- the value of d is 4.4 or more
- the housing is a mouth housing 1 in the form of a cylindrical cavity having both ends opened at the side portions of the cylindrical cavity, and the bottom portion of the cylindrical cavity of the housing is a plate-like side housing 2. I have.
- the rotating piston 3 uses the inner envelope of a group of curves whose cross-sectional shape generally defines the side profile of the cylindrical cavity of the housing, so the inner envelope of the group of curves (see Figure 28)
- the cross section of the rotary piston 3 has a triangular shape with three vertices. That is, it is configured in the shape of a right prism having a triangular cross section having three vertices P 1, P 2, and P 3 in FIG.
- the vertices PI, P2, and P3 of the triangular cross section of the rotating piston 3 constitute the origin of the synthetic trochoid.
- the shape of the apex of the triangular cross section of the rotating piston 3 may be parallel to the creation point of the synthetic trochoid, and may be a circular arc shape obtained by adding a sector shape with the amount of movement of the synthetic trochoid as ⁇ . It is located in the cylindrical cavity of the housing 1, and the mouth of the housing 1 is attached to both ends of the cylindrical cavity of the housing 1.
- the three side edges of the rotating piston 3 always slide on ⁇ of the cylindrical cavity of the rotor housing 1, and the bottom surface of the rotating piston 3 constantly slides on the inner surface of the side housing 2.
- Three working chambers whose volumes change are formed by the cylindrical cavity of the housing 1, the inner surface of the side housing 2 and the side surface of the rotating piston 3.
- the working chamber formed by the side surface of the cylindrical cavity of the rotor housing 1, the inner surface of the side housing 2, and the control of the rotating piston 3 is generally referred to as an operating chamber.
- three sides of the rotating piston 3 are provided with an avex seal 13 force, and further, side seals 14 are provided on the two bottom surfaces of the rotating piston 3.
- the rotor housing i and the side housing 2 correspond to one cylinder of a reciprocating piston type internal combustion engine.
- the intake port 10 and the exhaust port 11 are opened so that the intake port 10 and the exhaust port 11 open to the working chamber.
- Pores 1 1 and spark plugs 1 2 are provided in the rotor housing 1. With the rotation of the rotating piston 3, the three side edge forces of the rotating piston 3 and the side surfaces of the cylindrical cavity of the rotor housing 1 slide. By moving, the three side edges of the rotary piston 3 open and close the intake port 10 and the exhaust port 11.
- both the intake hole 10 and the exhaust hole 11 can be provided in the side housing.
- the bottom of the rotary piston 3 slides on the inner surface of the side housing 2 so that the ridge of the bottom of the rotary piston 3 opens and closes the intake port 10 and the exhaust port 11. Then, utilizing the fact that the volume of the working chamber changes with the rotation of the rotating piston 4, gas is exchanged, and a suction stroke, a compression stroke, a combustion stroke, an expansion stroke and an exhaust stroke are performed. Then, the expansion pressure of the combustion gas is extracted from the crankshaft 4 as rotational force. Further, the crankshaft 4 is composed of a crankshaft main shaft, a crank arm and a crankpin, and the crankshaft 4 is an output shaft.
- the rotation axis of the crankshaft 4 is the axis 0 of the crankshaft main shaft, and the crankshaft main shaft is such that the axis of the crankshaft main shaft defines the center 0 of the curve defining the contour of the cylindrical cavity of the rotor housing 1.
- the action of the crank arm corresponds to the eccentric arm O Q of the Hyvotrochoid.
- the fixed gear A5 is fixed to the side housing 2 with the center of the fixed gear A5 as the center 0 of the curve defining the side profile of the cylindrical cavity of the rotor housing 1, and the fixed gear A5 and the crankshaft. It is concentric with the main shaft.
- fixed gear A 5 is set with internal gear 0
- the ⁇ li gear B 6 is attached to the crank pin so that the rolling gear B 6 can rotate around the axis Q of the crank pin with the center of the rolling gear B 6 as the rotation axis.
- the rolling gear B 6 is a ⁇ JS gear, and the rolling gear B 6 meshes with the fixed gear A 5.
- the geometric relationship between the fixed gear A5 and the rolling gear B6 is the relationship between the base circle A and the rolling circle B in hypotrochoid. Therefore, the rolling gear B 6 is configured to revolve around the axis 0 of the crankshaft 4 while rotating around the axis Q of the crankpin as the crankshaft 4 rotates. .
- the eccentric shaft 7 has the eccentric shaft main shaft and the eccentric shaft ⁇ , and the eccentric ring shaft center R is separated from the eccentric shaft main shaft shaft center Q by a certain distance.
- the rotation axis of the eccentric shaft 7 is the axis Q of the eccentric shaft main shaft.
- the distance between the axis Q of the eccentric shaft main axis and the axis R of the eccentric ⁇ is the deviation and QR of peritrochoid, and is also the creation radius QR of hibotrochoid.
- the action of the eccentric shaft 7 corresponds to the peritrochoid eccentricity, the arm QR, and the hyperbotrochoid creation arm QR.
- the eccentric shaft 7 is attached to the crank bin so that the eccentric shaft 7 can rotate around the axis Q of the crank pin with the axis of the eccentric shaft main axis as the rotation axis.
- the eccentric shaft main shaft is fixed to the rolling gear B6 such that the axis of the eccentric shaft main shaft and the rotation shaft of the rolling gear B6 are coaxial. Therefore, the axis R of the eccentric fairy is a fixed point at the extension of the radius of the rolling gear B6: ⁇ :, and the axis R of the eccentric is the creation point R of the hybotrochoid.
- the fixed gear F 8 is fixed to the crankbin so that the center of the fixed gear 8 is the axis Q of the crankpin so that the fixed gear E 8 and the crane gear B 6 are concentric.
- the fixed gear E8 is an external gear.
- the rolling gear F 9 is mounted on an eccentric ring so that the rolling gear F 9 can rotate around the center of rotation R of the eccentric shaft with the center of the rolling gear F 9 as the rotation axis.
- the rolling gear F 9 is an internal gear, and the rolling gear F 9 meshes with the fixed gear E 8.
- the geometric relationship between the fixed gear E 8 and the rolling gear F 9 is the relationship between the base circle E and the rolling circle F in peritrochoid.
- the rotating piston 3 is fixed to the rolling gear F9 so that the rotating piston 3 and the rolling gear F9 are concentric, and three vertices of the triangular cross section of the rotating piston 3 (points in FIG. 10).
- P 1, point P 2, point P 3) are fixed points at the extension of the radius of the crane gear F 9. Therefore, the three vertices of the triangular cross section of the rotating piston (points P1, P2 and P3 in Fig. 10) are the creation points of the synthetic trochoid. Therefore, with the rotation of the rotary piston 3, the rotary piston 3 revolves around the axis 0 of the crankshaft main shaft while performing planetary motion about the axis Q of the crankpin.
- the rotation angular velocity of the rotating piston 3 is 1 Z3 of the angular velocity of the crankshaft 4, which is the same direction as the rotation direction of the crank # 4.
- the volume of the working chamber changes with the rotation of the rotary piston 3.
- the three side edges of the rotary piston 3 open and close the intake port 10 and the exhaust port 11 to perform gas exchange, and perform suction ⁇ 3 ⁇ 4 (see FIGS. 42 to 45) and compression.
- Stroke see Fig. 46 to Fig. 47
- Combustion stroke see Fig. 48
- Expansion stroke see Fig. 49 to Fig. 51
- Exhaust stroke see Fig. 52 to Fig. 53
- the expansion pressure of the combustion gas is taken out from the crankshaft 4 as rotational force.
- Crank angle 0 is 90.
- Figures 42 to 53 show the operation status diagrams changed in steps.
- Fig. 48 shows the state where the compression is completed, the capacity of the working chamber is minimum, and ignition and explosion occur at the position of this piston.
- Figures 42 to 53 show the operation status diagrams changed in steps.
- Fig. 48 shows the state where the compression is completed, the capacity of the working chamber is minimum, and ignition and
- FIGS. 54 to 59 show operation state diagrams in which the crank angle 0 is changed by 18 ° in the expansion stroke. From FIGS. 54 to 59, it can be confirmed that the volume change of the working chamber near the top dead center is prominent.
- the balance of the kinetic mass in the present embodiment is shown in FIG. 10, since the center of gravity of the rotating piston 3 is located at the point R, a balancing weight is provided symmetrically at the point Q so as to cancel the mass of the rotating piston 3. A new balance for the sum of the mass of the weight and the mass of the rotating biston 3 If a weight is provided symmetrically at point 0, it is possible to balance the essential moving parts.
- This embodiment is a 4-fi rotary piston internal combustion engine.
- a synthetic trochoid defining a ⁇ -section of a cylindrical cavity of a housing is defined by a radius a of a base circle ⁇ ⁇ ⁇ ⁇ and a rolling circle ⁇ ⁇ in a hybotrochoid.
- the ratio of the radius b of the base circle E to the radius b of the peritrochoid is 3: 2
- the ratio of the radius e of the base circle E to the turning circle F in the peritrochoid is 1: 2 (see Figs. 6, 11, and 12). ).
- the shape of the rotating piston 3 is a right-angle prism having a football-like cross section having two vertexes. Note that, at the two vertices of the foot pole-shaped cross section of the rotary piston 3, the angle formed by the two vertices of the foot pole-shaped cross section and the center of the foot pole-shaped cross section is 180 °.
- An intake port 10 and an exhaust port 11 are provided in the rotor housing 1 so that the intake port 10 and the exhaust port 11 open to the working chamber, and the suction, compression, combustion and expansion are performed. 1 ⁇
- the ratio of the radius a of the base circle ⁇ to the radius b of the inversion circle 3 is 3: 2
- the equation of the curve that defines the cylindrical shape of the cylindrical cavity of the housing is as follows.
- the constriction can occur at the three corners of the synthetic trochoid depending on the value of d. Then, the value of d in the range where the constriction does not occur at the three corners of the synthetic trochoid is affected by the value of c. Also, if the value of c becomes small, there is a problem in mechanical strength. Therefore, the value of c cannot be too small, and the value of c is preferably in the range of 1 from 0.7.
- the rotation angular velocity of the rotating piston is 1Z4 of the angular velocity of the crankshaft, which is the same direction as the rotation direction of the crankshaft.
- a rotary intake / exhaust valve 20 is provided in the intake port 10 and the exhaust port 11.
- the rotary intake / exhaust valve 20 is controlled by the rotation of the rotary piston 3, and the angular velocity of the rotary intake / exhaust valve 20 is / in the direction opposite to the angular velocity of the crankshaft 4.
- the valve may be a mushroom type valve or the like.
- the volume of the working chamber changes with the rotation of the rotary piston 3, and the rotary type intake / exhaust valve 20 opens and closes the intake port 10 and the exhaust port 11 to perform gas exchange.
- FIGS. 60 to 69 show operation states when the crank angle 0 is slightly rotated.
- Fig. 60 shows the state where exhaust is completed
- Figs. 61 to 62 show the intake stroke
- Fig. 63 shows the compression stroke
- Fig. 64 shows the state where the compression is completed. Ignition and explosion at piston position S.
- FIGS. 65 to 66 show the expansion ⁇ 3 ⁇ 4, and a rotational force can be obtained by the expansion pressure.
- Fig. 67 to Fig. 68 show the exhaust stroke
- Fig. 69 shows the intake stroke.
- Example 3- This example is different from Example 2 in that the scavenging hole 23 is also provided in the rotor housing so that the scavenging hole 23 opens into the working chamber, and the rotary valve is provided with the intake port 10 and the exhaust port 1. 1 and scavenging holes 25 are provided.
- the rotation of the rotary valve is controlled by the rotation of the rotary piston 3.
- the valve may be a mushroom type valve.
- gas is exchanged by utilizing the fact that the volume of the working chamber changes with the rotation of the rotary piston 3 and the rotary valve opens and closes the intake port 10, the exhaust port 11, and the scavenging port 23. . Then, the expansion pressure of the combustion gas is taken out as rotational force from the crankshaft. Then, the intake, compression, combustion and expansion, exhaust, and scavenging are performed.
- two working chambers are formed by the cylindrical cavity of the rotor housing 1, the inner surface of the side housing 2, and the side surface of the rotary piston 3.
- the scavenging holes 23 are arranged such that the intake holes 10 are opened to the working chamber via the rotary type intake valves 22, and the exhaust holes 11 are opened to the working chambers via the rotary type exhaust valves 21.
- the intake port 10, the exhaust port 11, the rotary intake valve 2, the rotary exhaust valve 21, and the rotary scavenging valve 24 are connected to the rotor housing so as to open to the working chamber through the rotary scavenging valve 24.
- the rotary piston 3 is provided with a pex seal 13 on two sides of the rotary piston 3, and the side seals 14 are provided on two bottom faces of the rotary piston 3.
- the angular velocity of the rotary scavenging valve 23 is 1 ⁇ 4 in relation to the angular velocity of the crankshaft 4.
- the angular velocity of the rotary intake valve 22 and the angular velocity of the rotary exhaust valve 21 are the same as those of the crankshaft 4. It is 1 Z 4 in the same direction with respect to angular velocity.
- FIGS. 70 to 81 show operation state diagrams in which the crank angle 0 is rotated little by little.
- Fig. 70 shows the state where the compression is completed, the working chamber volume is minimum, Ignition and explosion at the position.
- expansion is performed, and a rotating force is obtained by the expansion pressure.
- Fig. 73 to Fig. 74 show the exhaust stroke
- Fig. 75 to Fig. 78 show the scavenging stroke
- Fig. 9 to Fig. 80 show the intake stroke
- Fig. 81 show the compression ifg.
- the present embodiment has a configuration in which the creation point of the synthetic trochoid is used as a “mechanism for converting reciprocating linear motion to rotary motion” instead of the crank mechanism of the reciprocating piston-type internal combustion engine.
- This embodiment will be described with reference to FIG. 8 and FIGS. 13 and 14 which are basic geometric configurations.
- a reciprocating piston 17 is arranged at the origin of the synthetic trochoid, and combined with the reciprocating cylinder 16 to form a reciprocating piston internal combustion engine. That is, the reciprocating piston 17 is arranged at the creation point P of the synthetic trochoid, and in combination with the reciprocating cylinder 16 forms the working chamber of the reciprocating piston internal combustion engine.
- the reciprocating piston type internal combustion engine of this example has a ratio of the pitch circle radius of the fixed gear A5 to the pitch circle of the rolling gear B6, and the pitch circle of the fixed gear E8 and the pitch of the rolling gear F9.
- the other configuration is the same as that of the rotary piston type internal combustion engine of the first embodiment except for the ratio to the circle radius. That is, the mechanism J for converting the linear motion into the surface rolling motion is the same as the relationship between the rotary piston and the crankshaft in the first embodiment.
- the slope of the creation point is ySb / 2.
- the synthetic trochoid becomes a reciprocating linear motion, and becomes a cosine function with 2b as amplitude and 0 as a variable.
- the extension of the orbit passes through the origin, and the angle formed with the X axis is Sb / 2.
- point Q which is the center of the rolling circle B, becomes a rotating motion.
- a synthetic trochoid in which the ratio of the radius a of the base circle A to the radius b of the turning circle B is 2: 1 and the ratio of the radius e of the base circle E to the radius f of the turning circle F is 1: 2 is It can be used as a mechanism to convert reciprocating Eit motion to rotational motion, and can be replaced with the crank mechanism of a conventional reciprocating biston type internal combustion engine.
- the reciprocating piston 17 and the reciprocating cylinder 16 form the working chamber of the reciprocating piston-type combustion engine. Therefore, a reciprocating piston internal combustion engine can be configured.
- the ⁇ is 2a
- the volume change of the working chamber is a cosine function with the crankshaft angle 0 as a variable.
- d is the length of the conventional reciprocating piston type internal combustion engine.
- the balance of the kinetic mass in the single-cylinder reciprocating piston-type internal combustion engine is as shown in FIG. 13, where the mass of the reciprocating piston 17 is M 1 and the mass point M 1 exists at the creation point P. Also, assuming that the mass of the counterweight is M2, the mass point M2 is on the extension of the radius QR and the phase is higher than that of the point R? It is assumed that there is a counterweight at a point G on the circumference of the rolling circle B while traveling forward r.
- the coordinates of the mass point M 2 existing at the point G are as follows.
- the coordinates of the mass point M3 existing at the point Z are as follows.
- the inertial force can be obtained by calculating the fiber of each inertial force on the x-axis and the y-axis.
- the balance 2M2 is on the extension of the radius QR, has a phase of r from the point R, and exists at the point G on the circumference of the inversion circle B.
- the counterweight M3 is on an extension of the radius OQ, the phase is advanced by 7 ° from the point Q, and there is no point at the point Z on the circumference of the base circle A.
- a plurality of the counterweights M2 and M3 may be provided. This is because, from the viewpoint of the inertial force, the reciprocating piston 17 existing at the creation point P is equivalent to the reciprocating piston 17 existing at the point R.
- iSb assuming that a reciprocating biston 2 having a mass M 1 equal to the reciprocating biston 1 exists at the creation point P 2 as shown in FIG. 7r.
- the inertial force can be obtained by summing the inertial forces on the x-axis and y-axis.
- I x — Ml X 1 "— M2x2" -M3x3 "
- the reciprocating piston type internal combustion engine ⁇ ⁇ ⁇ ⁇ in the present invention is in the form of a forward ⁇ return piston type internal combustion engine, but is essentially a rotating piston type internal combustion engine.
- the counterweight 3 can be replaced by two reciprocating pistons, a 90 ° V 4-cylinder reciprocating piston internal combustion engine or a star 4-cylinder reciprocating piston internal combustion engine can be used.
- the counterweights ⁇ 2 and Q, the balance, and the bell ⁇ 3 in FIG. 13 are omitted.
- the present invention is not limited to the above-described embodiments, and includes a configuration that can be modified and implemented without changing the gist of the present invention.
- the fixed gear A5 which is a ⁇ ⁇ gear
- the ⁇ ⁇ 1 gear B6 which is an external gear
- the description has been given of the configuration in which the fixed tooth ⁇ car ⁇ 8 which is a street car and the rolling gear F 9 which is an inner car are combined, it is possible to obtain the trajectories expressed by the formulas 2 and 2 by using the idle gear. It is also possible to adopt a configuration that allows for this.
- the rotation of the rolling gear B 6 is set to aZb rotation in the opposite direction with respect to the crankshaft 4 via a leading gear between the fixed 5 gear A 5 and the rolling gear B 6.
- the rotating shaft of the idle gear (4) is fixed to the crankshaft 4, the fixed gear A5 is an internal gear, and the rolling gear B6 is an external gear. And, between the fixed gear A 5 and the rolling gear B 6, And an even number (two) of the gears, so that the tillage of the rolling gear B 6 rotates a Zb in the opposite direction with respect to the crankshaft 4. ⁇ ⁇
- the above method can be used for the rolling gear F 9 and the fixed gear E 8.
- the rotation axis of the rss gear is fixed to the eccentric contact.
- a pseudo-synthetic trochoid may be used as a curve defining the cylindrical cavity of the housing.
- 15 is the crankcase
- 25 is the base circle
- 26 is the base circle 8
- 27 is the base circle 5
- 28 is the base circle?
- 29 is the gauge of point P
- 30 is the counterweight M2
- 31 is the counterweight M3
- 32 is the base circle?
- 33 is the inverted circle 5
- 34 is the base circle 8
- 35 is the inverted circle A.
- the rotating piston-type internal combustion engine of the present invention there is no reciprocating part of the piston, the moving part can be only the rotating part, and the moving part can be essentially balanced.
- an internal combustion engine having no constriction on the short axis side of the inner peripheral surface of the rotor housing and not hindering the movement of the combustion gas near the compression top dead center can be provided.
- a high pressure ratio can be obtained as compared with the Wankel type rotary piston type internal combustion engine.
- the rotating piston type internal combustion engine of the present invention since the volume change of the working chamber near the top dead center is slow, the combustion can be completed before the expansion starts, so that the conditions related to thermal efficiency are as follows. Is as large as possible, and (2) the pressure before expansion starts is as high as possible. This has the effect that high efficiency combustion efficiency can be expected.
- the rotating piston type interior of the present invention in the conventional automobile diesel engine, a large amount of fuel is instantaneously injected into the combustion chamber within an extremely short combustion period, and the time for combustion is extremely short. Therefore, combustion continues even in the expansion stroke, the actual expansion ratio decreases, the thermal efficiency decreases, and a large amount of fuel is injected at a time, so it takes enough time for fuel to find oxygen and burn. It is disadvantageous for black smoke measures On the other hand, since the change in the ridge of the contact chamber is gradual near iBt top dead center, sufficient time for combustion can be secured, and the flat combustion chamber moves with almost no change in volume.
- the injection valve moves through the combustion chamber, so it is not necessary to achieve both atomization and penetration of the fuel injection valve. 5.Since a small amount of fuel can be injected sequentially from the end of the combustion chamber, well atomized fuel can be distributed throughout the combustion chamber, the probability of fuel finding oxygen increases, and combustion can be performed before the expansion stroke. It is expected that high combustion efficiency can be expected, and an internal combustion engine that is effective in combating black smoke can be provided.
- the rotary piston type internal combustion engine of the present invention since the Q volume change of the working chamber is slow near the pressure dead center, a sufficient period for combustion can be ensured. In addition, since the volume change of the working chamber is slow from the end of the exhaust stroke to the beginning of the intake stroke, this period can be used as the scavenging stroke. This has the effect of obtaining a 6-cycle engine with 'exhaust' scavenging.
- the ratio of the radius of the base circle to the radius of the turning circle in the hyperbotrochoid is 3: 2
- the ratio of the radius of the base circle to the radius of the turning circle in the peritrochoid is i: 2.
- the reciprocating part is the non-moving part only the turning part
- the moving part can be essentially balanced.
- the essential moving parts can be balanced, and the obstruction due to the reciprocating mass is possible. Since no piston slap is generated, there is no need to use a crosshead in an ultra-large reciprocating piston internal combustion engine for ships.
- the piston since the piston is self-sustaining, the side pressure due to the weight of the piston is eliminated, so that a V-type reciprocating piston-type internal combustion engine can be obtained.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Transmission Devices (AREA)
- Rotary Pumps (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
- Retarders (AREA)
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/107,695 US5399078A (en) | 1991-02-21 | 1992-02-20 | Planetary-motion engine |
| EP92905097A EP0594849B1 (en) | 1991-02-21 | 1992-02-20 | Rotary piston internal combustion engine |
| KR1019930702390A KR100223699B1 (ko) | 1991-02-21 | 1992-02-20 | 유성운동형 엔진 |
| DE69231034T DE69231034T2 (de) | 1991-02-21 | 1992-02-20 | Drehkolben-verbrennungskraftmaschine |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3/229863 | 1991-02-21 | ||
| JP3229863A JPH0819856B2 (ja) | 1991-02-21 | 1991-02-21 | 遊星運動型エンジン |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO1992014909A1 true WO1992014909A1 (fr) | 1992-09-03 |
Family
ID=16898881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP1992/000175 Ceased WO1992014909A1 (fr) | 1991-02-21 | 1992-02-20 | Moteur a combustion interne a piston rotatif |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US5399078A (ja) |
| EP (1) | EP0594849B1 (ja) |
| JP (1) | JPH0819856B2 (ja) |
| KR (1) | KR100223699B1 (ja) |
| AU (1) | AU1209292A (ja) |
| DE (1) | DE69231034T2 (ja) |
| WO (1) | WO1992014909A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2120042C1 (ru) * | 1996-06-28 | 1998-10-10 | Валерий Александрович Лугинин | Роторный корпусно-поршневой двигатель внутреннего сгорания |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI101411B1 (fi) * | 1996-09-03 | 1998-06-15 | Risto Antero Auvinen | Voimansiirtolaite kiertomäntämoottoriin |
| US6164263A (en) * | 1997-12-02 | 2000-12-26 | Saint-Hilaire; Roxan | Quasiturbine zero vibration-continuous combustion rotary engine compressor or pump |
| US6526925B1 (en) | 1999-05-19 | 2003-03-04 | Willie A. Green, Jr. | Piston driven rotary engine |
| US6575719B2 (en) | 2000-07-27 | 2003-06-10 | David B. Manner | Planetary rotary machine using apertures, volutes and continuous carbon fiber reinforced peek seals |
| WO2002075118A1 (fr) * | 2001-03-15 | 2002-09-26 | Normand Beaudoin | Machines poly inductives et turbines differentielles |
| US7178502B2 (en) * | 2001-06-05 | 2007-02-20 | Paul D. Okulov | Balanced rotary internal combustion engine or cycling volume machine |
| FR2872859B1 (fr) * | 2004-07-08 | 2006-08-25 | Pham Pascal Andre Georges Ha | Moteur a piston rotatif tripode 6 temps |
| KR100680775B1 (ko) * | 2004-09-24 | 2007-02-09 | 주식회사 원택 | 로터리 엔진 |
| WO2007060688A1 (en) | 2005-11-24 | 2007-05-31 | Vikrant Dhoke | A high efficiency rotary internal combustion engine |
| CN101149017A (zh) * | 2006-09-18 | 2008-03-26 | 谭波 | 旋转活塞的固定轴结构 |
| RU2382216C2 (ru) * | 2008-05-05 | 2010-02-20 | Николай Леонович Черников | Двухтактный роторно-поршневой двигатель |
| CN101576005B (zh) * | 2008-05-07 | 2011-04-20 | 华峰 | 橄榄形转子发动机 |
| CZ302294B6 (cs) * | 2008-07-29 | 2011-02-09 | Dvorák@Jirí | Rotacní motor na stlacitelná média |
| GR1006627B (el) * | 2009-01-12 | 2009-12-08 | Δημητριος Χανιωτης | Τρικεντρη λοβοειδης περιστροφικη μηχανη |
| US8539931B1 (en) * | 2009-06-29 | 2013-09-24 | Yousry Kamel Hanna | Rotary internal combustion diesel engine |
| JP5198691B1 (ja) * | 2012-08-18 | 2013-05-15 | 浩平 岸高 | ロータリーエンジン |
| US20150240638A1 (en) * | 2012-08-31 | 2015-08-27 | The Regents Of The University Of California | Technique for apex-seal profile design |
| CZ306225B6 (cs) * | 2014-05-22 | 2016-10-12 | Jiří Dvořák | Rotační motor s ozubeným převodem pro použití pohonu stlačitelným médiem |
| KR20160046527A (ko) | 2014-10-21 | 2016-04-29 | 김헌규 | 삼각형상의 실린더를 가진 내연기관에서 타원형 로터의 피스톤 실링 구조 |
| DE102014223142A1 (de) * | 2014-11-13 | 2016-05-19 | Robert Bosch Gmbh | Rotationskolbenmaschine |
| CN105863830A (zh) * | 2016-05-20 | 2016-08-17 | 左方 | 卫星轮转子发动机 |
| US10082029B2 (en) * | 2016-07-08 | 2018-09-25 | Pratt & Whitney Canada Corp. | Internal combustion engine with rotor having offset peripheral surface |
| US10907531B1 (en) * | 2018-07-24 | 2021-02-02 | Rotary Research Group LLC | Heavy fuel rotary engine with compression ignition |
| US12540572B2 (en) * | 2023-10-06 | 2026-02-03 | Uditi CHANDRASHEKHAR | Rotary piston machine |
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| JPS51104110A (ja) * | 1975-03-10 | 1976-09-14 | Masaaki Kusano | Rootariipisutonnainenkikan |
| JPS6039361A (ja) * | 1983-08-11 | 1985-03-01 | ジヨン・フエントン | 回転モ−タ |
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| DE1158752B (de) * | 1961-05-25 | 1963-12-05 | Daimler Benz Ag | Rotationskolben-Brennkraftmaschine |
| US3226013A (en) * | 1964-05-04 | 1965-12-28 | Toyota Motor Co Ltd | Rotary machine |
| US3716314A (en) * | 1970-12-16 | 1973-02-13 | Nissan Motor | Rotary motion device |
| GB1350728A (en) * | 1972-06-15 | 1974-04-24 | Dornier System Gmbh | Trochoid-type rotary piston machine |
| CH545413A (de) * | 1972-08-19 | 1973-12-15 | M Guenthard Ernst | Drehkolben-Brennkraftmaschine |
| DE2510149C3 (de) * | 1975-03-08 | 1982-01-21 | Audi Nsu Auto Union Ag, 7107 Neckarsulm | Gehäuse einer Kreiskolbenmaschine in Trochoidenbauart |
| US4417862A (en) * | 1981-09-03 | 1983-11-29 | Fenton John W | Rotary motor with multilobed rotor and orbiting coupling means |
| US5067456A (en) * | 1990-11-16 | 1991-11-26 | Beachley Norman H | Hypocycloid engine |
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1991
- 1991-02-21 JP JP3229863A patent/JPH0819856B2/ja not_active Expired - Fee Related
-
1992
- 1992-02-20 US US08/107,695 patent/US5399078A/en not_active Expired - Lifetime
- 1992-02-20 DE DE69231034T patent/DE69231034T2/de not_active Expired - Fee Related
- 1992-02-20 WO PCT/JP1992/000175 patent/WO1992014909A1/ja not_active Ceased
- 1992-02-20 AU AU12092/92A patent/AU1209292A/en not_active Abandoned
- 1992-02-20 EP EP92905097A patent/EP0594849B1/en not_active Expired - Lifetime
- 1992-02-20 KR KR1019930702390A patent/KR100223699B1/ko not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51104110A (ja) * | 1975-03-10 | 1976-09-14 | Masaaki Kusano | Rootariipisutonnainenkikan |
| JPS6039361A (ja) * | 1983-08-11 | 1985-03-01 | ジヨン・フエントン | 回転モ−タ |
Non-Patent Citations (1)
| Title |
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| See also references of EP0594849A4 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2120042C1 (ru) * | 1996-06-28 | 1998-10-10 | Валерий Александрович Лугинин | Роторный корпусно-поршневой двигатель внутреннего сгорания |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100223699B1 (ko) | 1999-10-15 |
| AU1209292A (en) | 1992-09-15 |
| EP0594849A1 (en) | 1994-05-04 |
| US5399078A (en) | 1995-03-21 |
| JPH07109930A (ja) | 1995-04-25 |
| EP0594849B1 (en) | 2000-05-10 |
| KR930703523A (ko) | 1993-11-30 |
| EP0594849A4 (en) | 1994-02-09 |
| JPH0819856B2 (ja) | 1996-02-28 |
| DE69231034D1 (de) | 2000-06-15 |
| DE69231034T2 (de) | 2001-02-15 |
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