US2870752A - Rotary engines - Google Patents

Rotary engines Download PDF

Info

Publication number
US2870752A
US2870752A US696538A US69653857A US2870752A US 2870752 A US2870752 A US 2870752A US 696538 A US696538 A US 696538A US 69653857 A US69653857 A US 69653857A US 2870752 A US2870752 A US 2870752A
Authority
US
United States
Prior art keywords
rotor
combustion
central
wells
channel
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.)
Expired - Lifetime
Application number
US696538A
Other languages
English (en)
Inventor
Yves L G Breelle
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IFP Energies Nouvelles IFPEN
Original Assignee
IFP Energies Nouvelles IFPEN
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by IFP Energies Nouvelles IFPEN filed Critical IFP Energies Nouvelles IFPEN
Application granted granted Critical
Publication of US2870752A publication Critical patent/US2870752A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J13/00—Discharge tubes with liquid-pool cathodes, e.g. metal-vapour rectifying tubes
    • H01J13/02—Details
    • H01J13/34—Igniting arrangements
    • H01J13/36—Igniting arrangements having resistive or capacitative igniter
    • H01J13/38—Igniting arrangements having resistive or capacitative igniter having resistive igniter only
    • 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
    • F01C1/08—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing
    • F01C1/12—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing of other than internal-axis type
    • F01C1/14—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
    • F01C1/20—Rotary-piston machines or engines of intermeshing engagement type, i.e. with engagement of co- operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with dissimilar tooth forms
    • 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

Definitions

  • the Wells in the combustion rotor being interconnected with each other by the aforesaid conduit.
  • means are so coordinated in their function with the remaining rotary elements of the rotary engine, that after each combustion and power stroke or period, the end of the compression period involving the charge of the Wells with a new fuel mixture prior to combustion coincides with a scavenging of the entire co-mbustionspace from which residual gases are expelled by the newly introduced gases.
  • losses due to fresh gases escaping directly through the exhaust means of the engine are maintained at a minimum.
  • One or several pairs of wells may be provided in the combustion rotor, the two wells of each pair being disposed preferably diametrically relativeto each other and connected by a channel extending substantially transversely to the rotor axis.
  • the wellsof each pair may also be disposed adjacent each other and connected by a channel through the interior of the rotor.
  • the improved rotary engine with rotary internal combustion means comprises, as a main feature, at least one internal combustion rotor provided with recesses or wells for the passage therethrough of the rotary pistons of the central rotor characteristic of rotary engines, which wellsserve at the same time as the combustion chambers proper of the internal combustion rotor.
  • these several chambers are interconnected by internal channel or conduit means provided in the combustion rotor'so as to constitute a important uniformity of thermal dimensional changes of the combustion rotor, these channel or conduit means pally: symmetrical arrangement of the combustion space in the rotor body, (0) sufficient space left in the rotor body for large cooling cavities and/or conduits, and (d) contribution of the scavenging step in the rotor to a uniform cooling 'of the latter by the fresh combustion gases.
  • the im proved rotary engine comprises a combustion rotor having the, above defined characteristics, and a central rotor bearing a determined number n of pistons? or large protrusions in the cylindrical wall of. the rotor, which are distributed about the shaft ofthe central rotor spaced from each other under' an angle of and at least one sealing rotor in an engine block of easing provided with the necessary means for synchronising the movement of the various rotors, intake and exhaust means associated with, and conduits provided in the casing.
  • my improved rotary engine may comprise two or more internal combustion rotors embodying the above described characteristic features.
  • Each of the combustion rotors may be provided with a number of 22 combustion wells distributed about the relative to each other.
  • each gate rotor may be provided with a number of p gate or valve wells distributed about the central axis of the gate rotor under an angle of p relative to each other.
  • the improved rotary engine according to my invention may comprise a central rotor bearing a plurality of pistons distributed irregularly about the periphery of the central rotor, while the wells in the peripheraLJotors, i. e. the internal combustion rotor of Patented JarnZY, th h 3 rotors and the gate rotor or rotors, are correspondingly disposed irregularly about'the peripheries of their respectwo rotors so as to permit passage of the pistons therethrough during the rotation o'fthe central rotor.
  • the wells in the peripheraLJotors i. e. the internal combustion rotor of Patented JarnZY, th h 3 rotors and the gate rotor or rotors
  • thelce'ntral rot'onandthe peripheral'rotors preferably of the types described inmy patent; appl 1 tion and continuation-impart application supra.
  • Figure lzz shows a partial sectional view of the exhaust region shown in Figure ljl having ansomewhat different structure
  • Figure 2 is a vertical longitudinal ,sectional' view of. the: rotary engine shownin Figure 1' along line IIY II. there?
  • my p I V Figure-3 is a perspective, partially sectionalview of one embodiment of'a combustion T FQL according. toithe invention;
  • i V V v Figure 4 illustrates in perspective and partiallyinseo. tion' another embodiment of'a emusnqamter and. a. corresponding central rotor in accordanc'e withjthe' invenw l: fiongi, a
  • Figures 5a and 5b show contour lines in, different I transverse planesfof a'Welhofithekorhbhstiof rotor,v and V of a piston ofthecent'ral rotorprespectiyely, whicli lare l both illustrated in Figure Figure 6 illustrates yet anotherembodiment .ofa corn,- bustion' 'r'otor "according to the; inv'en irficrossgs g, .5, v v ..1
  • Figure 7 isa vertical transverse sectional viewtofiann other embodimentfof a rotary'enginefcon'structedfi accordance with the invention, whi c h enginejcornprises.
  • FIG. 8a and 8e illustrate schematically five different positions of the combustionr'otor, the central rotor and the gate rotor of the rotary engine illustrated in Figures 1 and 2.
  • the engine block or'casing 1 is provided with an external wall 2 and internal wall, land-a plurality of cooling spaces dinte these wallg '4 I Q Q LB ell, nt al,substantiallyicy u: drical space: defined by the aternal cylinder, surface 5', and l peripherally disposed i e lativei the afore aid-cylinder.
  • a main engine shaft 10 on whichthere is mounted a central rotor 11.
  • This central rotor 11 bears along-,its-mxternal nd ca u aae t o r b-shared pis ns fi ead 14 i pose Q PP9-5i L of he ce tralrdto -1Land extending parallel to the ce tral axi ;ot:thes1a ter;.;,
  • the pistons 13 and 14 are preferably of a cross-section similar to that of the teeth..o':'a gear and their exact contours are determined as described in my copending patent application Serial No, 688,908 supra'f Due 7 the rotation of 'thecentra l frotor 11' wliich shall-hopssumed to' be always in'clockwisedirection; leading slopes; 13a, 14a, and trailing slopes 13b, '14b ofpistons 13 and 4 14 can be' distinguishe'dt "The"end'surfaces' lfa' and 16 Y of these pistons are" preferably provided-with longitudii nally extending grooves and ribs 17.
  • Similar longitudinalribs and-grooves 17" are also providedaboutthe" cylindrical surface 12 of central rotor 11.
  • the end faces 18 and 19 of the central" rotor 11 may be provided with annular protrusions 20 and grooves 20a, while they portions 9 of the internal tsurfa'cezof inner wall 3 facing these rotor end faces 1,8 an.d 19. bear Similar protrusions 21 fitting into the grooves 20a-of rotor-11, while the protrusions ml of the; lattenprotrude into, similar grooves nta m diatetp iot sions..212.
  • the -,-prot-rusions and grooves 20, zed of rotor 11 on the oneshand-,.anda.pror trusiqns, and grooves 21, 21aof, wall 3 on the other. hand, are so disposed that" there is no friction between them, the rran ement, pmv dina; howeve for: a labyrinth; type sealing effect between the rotor 11, and surface 5 of wall 3.
  • the interior of rotor 11 comprises cooling spaces 22 whichare accessible to theflow of, a coolant there,- through, for instance, by way,of;p assages 23"and 24 opening into'transverse' channels 25'-'andi 26"ir'1.rotor shaft 10.
  • Conduit-35' may preferably have a narrowercross section at 'the-center of "rotor SW-than when it opens into wells 33-and--34.
  • -Wel-ls 33*and- 34" together" with conduit 35 constitute thecombustion charnber in rotor 30, thusleaving sufiicient space available in the interior of rotor 30 for cooling-chamber.
  • Coolant is circulated through-the latter via coolant-pascorresponding protrusions 39am achievethe: same'labyrinth type sealing effect with-surface-9 of wall-'3":
  • The'other cavity substantially 'oppositedhat 'cavity which houses-the combustion rotor, and ,define'd-bycyL I indrical surface 7 dinner wall 3"ofthe'casing'lhouses' a rotary abutment or--sealing'- rotor" 40, which is mountedon a gate rotor shaft 41 and; is provided on its" external cylindrical surface with-ribs and'grooves-4-21engaging with ribs and grooves 17 on surface 1210f rotor 11 to"atta ina labyrinth-type sealing effectas mentioned abovebetween rotors 11 and 40 Gate'recesses, or wells, 43- and-44 are provided inthecylindricalsurface of gate rotor 40 at diametrically opposite'sidesofthe rotor.
  • Pistons-13*and' 14 of-centra1 rotor -11 passsuccessivelydhrough thesewells -43'-and- '44:during therotation of both rotors--11 and-AM
  • the interior .of rotor-40 comprises a coolingspace 45 through which coolant circulates via conduits- 46*and 47 "The end faces 48, 48a of rotor 40' are provided 1 with annular protrusions and-groove means 49Whi0h engage-barre:
  • sponding means 49a -insurface-9 of inner casing: wall-'3" take conduit 50 and an exhaust conduit 51 leading from the internal space housing the central rotor to the outside of external wall 2 of engine casing 1.
  • a transfer or bypass conduit 52 is provided in wall 3, which conduit leads from the opening 55 in the wall surface 5 of the space housing thecentral rotor 11 behind a wall portion 59 to the surface 6 of wall 3 defining the cavity which houses combustion rotor 30 and opens into that cavity with a broad mouth 56.
  • This bypass conduit 52 is located on the side where the cylindrical surfaces of rotors 11 and 30 separate, clockwise rotation of rotor 11 being assumed.
  • FIG 3 shows an embodiment of an internal combustion rotor for rotary engines in accordance with my invention, in which reference numeral 70 designates-the combustion rotor shaft.
  • the rotor body which is rigidly mounted on this shaft 70 comprises a head or end surface 71 bearing annular protrusions 72 and grooves 72a for effecting a labyrinth-type sealing with the adjacent wall of the engine casing, and a cylindrical mantle Wall 73 which bears over that portion of its external surface which cooperates with the central rotor of the rotary engine, a plurality of ribs 74 and grooves 74a to achieve a labyrinth-type sealing effect between the two rotors along their line of contact.
  • piston wells 75 and 76 which are of rectangular longitudinal cross section, i. e. that cross section which is taken in a plane parallel to the central rotor axis, and is of substantially rectangular cross section in a plane radial to the rotor axis.
  • a channel 77 of trumpet-shaped cross section connects wells 75 and 76 freely communicating with each other.
  • This channel 77 is preferably of approximately elliptic cross section taken in planes perpendicular to the central longitudinal axis of the channel.
  • Channel 77 is enclosed by internal tubular wall 78 which is so devised that the narrowest cross section of the channel 77 is at the point where the channel traverses the rotor axis, while the largest cross sections are located where channel 77 opens into wells 75 and 76.
  • the remaining internal space of the rotor forms a cooling chamber 79 through which a coolant is circulated via conduit 79a in shaft 70, and via an axial outlet opening 79b.
  • FIG. 4 Another embodiment of the combustion rotor for rotary engines in accordance with the invention is illustrated in Figure 4.
  • the body 80 of theinternal combustion rotor in Figure 4 is of approximately ellipsoid shape except in the planes passing through the'rotor axis and in which the piston wells 82 and 83 are located with their central cross section, and comprises otherwise the same structure as the rotor illustrated in Figure 3.
  • wells 82 and 83 are of a concave shape rather than of the rectangular box shape in Figure 3.
  • the central rotor 84 cooperates with combustion rotor 80 and is of a shape which is concavely complementary to the approximately ellipsoid shape of the latter.
  • combustion rotor 80 is of a shape which is concavely complementary to the approximately ellipsoid shape of the latter.
  • Figure 5a illustrates the cross sectional contours of rotor 80 and one of thewells 82, 83 taken in planes P P P P and P as indicated by dash-dotted lines in Figure 4, while Figure 5b illustrates rotor 84 and the *contour lines of the cross sections of one of pistons 85 taken in the same aforesaidplanes.
  • This preferred embodiment of the wells and pistons of the rotary engine in accordance with the invention comprising convex pistons and concave wells has the advantage that, as the wells represent the combustion chambers in the combustion rotor in accordance with this invention, the front of the combustion flame is better propagated therein, in front of the pistons, than it is in wells and by pistons of known design.
  • the transverse profile of the pistons as it is shown in Figure Sb' preferably comprises a flattened ridge 86 which contributes to an improved sealing effect.
  • the latter may be further increased by providing ribs and grooves 87 extending longitudinally along the ridge 86.
  • the rotor body 90 comprises four piston wells 91, 92, 93 and 94 through which pass the pistons 95 of a central rotor 96.
  • vPiston wells 91 and 93 freely communicate with each other by way of a conduit 97 disposed diametrically in rotor 90, whereby these wells 91, 93 and conduit 97 form a first combustion space;
  • wells 92 and 94 are freely communicatingly connected by a conduit 98 disposed at right angle to conduit 97 and bypassing the latter on a different plane with more than two pistons as has been set forth in my co-pending applications Ser. Nos. 574,833 and 688,908 supra.
  • pairs of wells may be disposed next adjacent each other and connected by conduits passing through the interior of the rotor body in such a manner that the combustion spaces formed by each pair of Wells and its connecting channel are disposed substantially parallel to each other in the rotor body.
  • two spark plugs must be provided in the vicinity of the horizontal plane through the rotor axis, which plane extends perpendicularly to the plane common to the central axes of the combustion rotor and the central rotor.
  • a plurality of bypass channels open into the cavity housing the combustion rotor in the vicinity of the aforesaid plane at opposite sides of the last-mentioned
  • the central rotor 84 bears pistons 85, only oneof which is shown in Figure 4.
  • the pistons 85 are of 1:. rotor and communicate-bothrfreely with the central. space of the engine housing the, central rotor. in the. region of thepower zone.
  • FIG. 7 illustrates a rotary engine comprising a calsing200 and two combustion rotors .201 and 202 therein, oi the type illustrated in Figure 1, cooperating with a central rotor 2.03 which. bears on its periphery five pistons 204, 205, 206, 2.0 7 and 208-.
  • Theengine further comprises.
  • the combustion. rotor 201. is provided. with two wells 213 and 214 and a diametrically. disposed connecting, channel215', while rotor 202ris provided similarly with wells'216 and 217 and a.v connecting channel 218.
  • Eachof the rotors further cooperates with a spark plug 219, 220, and a bypass conduit 221, 222 respectively, which spark plugs and bypass conduits are provided in the engine casing 200.
  • the portiomof. the space housing the centrallrotor 203 between the contactline of the latter with rotor. 20.1and the trai1- ing edge of the-departingpiston 207 is. preferably brought into connection. with the exhaust conduit, for instance, 212, somewhat before access thereto isopened by piston 207 passing. the mouth 21241 of that conduih This is achieved. by. recesses 223:in thewall enclosingthe internal chamber of the. casing. 200 housing the central'rotor 203.
  • the central rotor 11 is set in motion with the aid of auxiliary starting motor 68 ( Figure 2), for instance, a small ele'ctromotor, so that it rotatesclockwise as indicated by arrows in Figures 8a to 8e.
  • auxiliary starting motor 68 Figure 2
  • zone C intermediate the leading slope (13aor14a) of-.either piston 13 or 14 and' the contact line between rotorsll and 30,
  • piston 13 suctiensa: mixture otzair and fuel inthe case of a controlled ignition carburator ty-p e of engine, or of air alone in the case of a; fuelinjectiontypeof engine, via. intake conduit into the cylindrical-space enclosed by wall surface: 5, the fluid following. the trailing slope. 13b of.
  • sparking of sparkplug 53 takes place preferably slightly before piston 13. reaches dead center position in well 33. Aspiston 13 'passes this. dead center-point inv well 33', piston 14 has already movedpast that point through Well 44.
  • piston 14' Upon further rotation, piston 14' reaches the position In the l occupied by piston 13 in' Figure 8a, and the cycle of operation described above is repeated.
  • the position of the axis of sealing rotor 40 is located in a plane passing through the axis of the central rotor, which plane forms a slight angle a, with the plane common to the axes of central rotor 11 and combustion rotor 30, the displacement being toward the exhaust part.
  • the intake and the exhaust strokes are made substantially of equal length as described in my copending application Ser. No.688,908 supra.
  • Cooling of the rotor is more space in the interior of the rotor is available for passing coolant therethrough than if separate combustion chambers would be provided apart from the wells.
  • the channel connecting the wells in the combustion rotor in accordance with my invention are so devised as to facilitate the passage of fluid therethrough during the expansion stage of the work cycle.
  • the channel is of a somewhat smaller cross section than the cross section of the pistons at their ridge or top surface.
  • the spark plugs in the above described embodiments of my invention are replaced by fuel injectors which are disposed inclined relative to the plane through the combustion rotor axis so as to bring about ignition of the compressed air fuel mixture at maximum compression, i. e. at dead center position of the piston in the well of the combustion rotor.
  • this invention may also be-applied to a fuel injector type'engine having a controlled ignition system.
  • a fuel injector and a spark plug are arranged with each pair of wells of a combustion rotor of the type described in accordance with the invention, that fuel is first injected .intothe combustion chamber consisting of wells and connecting channel in the combustion rotor, and that the resulting compressed air fuel mixture is then ignited, still substantially in the range of dead center position, by means of the spark plug.
  • the improvement comprising at least one internal combustion rotor having at least one pair of wells in the external' surface of said rotor, and a channel within the interior of said rotor and connecting the two wells of said pair freely communicatingly'with each other, so as to provide a continuous combustion chamber within said rotor.
  • the improvement comprising at least one internal combustion rotor having. a plurality, of. pairs of wells in the external surface of said rotor, the two wells of each pair being diametrically disposed relative to. the rotor. axis, and a plurality of channels within the. interior of said rotor and connecting the two wells of each pair freely communicatingly with each other, soas to provide a plurality of continuous combustion chambers within said rotor.
  • said ignition-causing means comprise at least one electrical spark plug.
  • said ignition-causing means comprise fuel. injector means together with at least oneelectrical spark plug.
  • a rotaryengine of the internal combustion type comprising, in combination, a casing, wall means in said casing enclosing an annular central chamber, and a number of cavities laterally disposed of and opening into said central chamber, a central rotor rotatably mounted in said central chamber, a plurality of pistons projecting outwardly from said central rotor and fittinginto said central chamber for frictionless rotation therein, a combustion rotor rotatably mounted in one of said lateral cavities, a gate rotor rotatably mounted in another of said lateral cavities, the axes of rotation of said central rotor, said combustion rotor and said gate rotor being parallel to each other, said. combustion rotor.
  • a rotary engine of the internal combustion type comprising, in combination, a casing, wall means in said casing enclosing an annular central-chamber, and a-number of. cavities laterally disposed of and opening into said central chamber, a central rotor rotatably mounted in said central chamber, a plurality of pistons projecting.
  • combustionv rotor rotatably mounted in one of said lateral cavities
  • a gate rotor rotatably mounted in another of said lateral cavities, the axes of rotation of said central rotor, said combustion rotor and said gate rotor being parallel to each other
  • said combustion rotor comprising two wells for the passage of said pistons therethrough, which wells are disposed diametrically opposite each other in the combustion rotor and open toward the outside thereof, and an internal channel connecting said two wells with each other, said wells and channel in said combustion rotor constituting a combustion chamber therein,exhaust conduit means in said casing opening into said central chamber, said central chamber being subdivided into an intake zone, a compression zone, a power zone and an exhaust zone during the synchronized rotation of said rotors in conjunction with rotation of said pistons through said central chamber, a bypass conduit leading from the cavity housing said combustion rotor to said central chamber through
  • a rotary engine of the internal combustion type comprising, in combination, a casing, wall means in said casing enclosing an annular central chamber, and a number of. cavities laterally disposed of and opening into said central chamber, a central rotor rotatably mounted in said central chamber, a plurality of pistons projecting outwardly from said central rotor and fitting into said central chamber for frictionless rotation therein, a combustion rotor rotatably mounted in one of said lateral cavities, a gate rotor rotatably mounted in another of said lateral cavities, the axes of rotation of said central rotor, sai-d combustion rotor and said gate rotor being parallel to each other, said combustion rotor comprising two wells for the passage of said pistons therethrough, which wells are disposed diametrically opposite each other in the combustion rotor and open toward the outside thereof, and an internal channel connecting said two wells with each other, said wells and channel in said combustion rotor constituting a combustion. chamber there
  • a rotary engine of the internal combustion type comprising, in combination, a casing, wall means in said casing enclosing an annular central chamber, and a number of cavities laterally disposed of and opening into said central chamber, a central rotor rotatably mounted in said central chamber, a plurality of pistons projecting outwardly from said central rotor and fitting into said central chamber for frictionless rotation therein, a combustion rotor rotatably mounted in one of said lateral cavities, a gate rotor rotatably mounted in another of said lateral cavities, the axes of rotation of said central rotor, said combustion rotor and said gate rotor being parallel to each other, said combustion rotor comprising two wells for the passage of said pistons therethrough,
  • a rotary engine of the internal combustion type comprising, in combination, a casing, wall means in said casing enclosing an annular central chamber, and a number of cavities laterally disposed of and opening into said central chamber, a central rotor rotatably mounted 14 in said central chamber, a plurality of pistons projecting outwardly from said central rotor and fitting into said central chamber for frictionless rotation therein, at least one combustion roto'r rotatably mounted in one of said lateral cavities, at least one gate rotor rotatably mounted in another of said lateral cavities, the axes of rotation of said central rotor, said combustion rotor and said gate rotor being parallel to each other, said combustion rotor comprising at least one pair of wells for the passage of said pistons therethrough, which wells are disposed diametrically opposite each other in the combustion rotor and open toward the outside thereof, and an internal channel connecting the two wells of said pair with each other, said wells and channel in said combustion rotor constituting

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Supercharger (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Combustion Methods Of Internal-Combustion Engines (AREA)
US696538A 1956-11-14 1957-11-14 Rotary engines Expired - Lifetime US2870752A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR725698 1956-11-14

Publications (1)

Publication Number Publication Date
US2870752A true US2870752A (en) 1959-01-27

Family

ID=8703946

Family Applications (1)

Application Number Title Priority Date Filing Date
US696538A Expired - Lifetime US2870752A (en) 1956-11-14 1957-11-14 Rotary engines

Country Status (6)

Country Link
US (1) US2870752A (fr)
BE (1) BE562313A (fr)
CH (1) CH376318A (fr)
FR (1) FR1192157A (fr)
GB (1) GB838166A (fr)
NL (1) NL106812C (fr)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2956735A (en) * 1956-12-28 1960-10-18 Inst Francais Du Petrole Rotary compressor
US3297006A (en) * 1963-04-19 1967-01-10 Marshall John Wilmott Rotary pumps and engines
US3862622A (en) * 1973-01-10 1975-01-28 Raymond G Spinnett Torque conversion systems
US4002033A (en) * 1975-02-04 1977-01-11 Bell Telephone Laboratories, Incorporated Rotary displacer for rotary engines or compressors
WO1995008698A1 (fr) * 1993-09-21 1995-03-30 Zhenyi Liao Rotors du type engrenant
US6129067A (en) * 1997-11-28 2000-10-10 Riley; Thomas Rotary engine
US6484687B1 (en) 2001-05-07 2002-11-26 Saddle Rock Technologies Llc Rotary machine and thermal cycle
WO2002097249A1 (fr) * 2001-05-31 2002-12-05 Domiko Trading, Ltd. Procede de fonctionnement d'un moteur a piston rotatif et moteur a piston rotatif a combustion interne
US20060201473A1 (en) * 2005-03-09 2006-09-14 Guest Aaron M Parallel Rotary Engine
US20110259296A1 (en) * 2010-04-21 2011-10-27 Jacobsen Sam J Rotary internal combustion engine
GB2486787A (en) * 2010-12-20 2012-06-27 Stephen Morant Harding Machine with a lobed rotor in a chamber
US20150093278A1 (en) * 2012-05-10 2015-04-02 William Gruet Rotary-piston engine

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5032068A (en) * 1988-10-25 1991-07-16 Kurherr Waldemar H Displacement type rotary system steam turbine engine
GB2238579B (en) * 1989-11-27 1993-08-04 Waldemar H Kurherr Displacement-type rotary system steam-turbine engine or compressor or pump.
DE4417915A1 (de) * 1994-05-21 1995-11-23 Kuntzsch Volker Dr Verbrennungsmotor mit mindestens einem drehend bewegten Kolben

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2956735A (en) * 1956-12-28 1960-10-18 Inst Francais Du Petrole Rotary compressor
US3297006A (en) * 1963-04-19 1967-01-10 Marshall John Wilmott Rotary pumps and engines
US3862622A (en) * 1973-01-10 1975-01-28 Raymond G Spinnett Torque conversion systems
US4002033A (en) * 1975-02-04 1977-01-11 Bell Telephone Laboratories, Incorporated Rotary displacer for rotary engines or compressors
WO1995008698A1 (fr) * 1993-09-21 1995-03-30 Zhenyi Liao Rotors du type engrenant
US5682793A (en) * 1993-09-21 1997-11-04 Liao; Zhenyi Engaged rotor
US6129067A (en) * 1997-11-28 2000-10-10 Riley; Thomas Rotary engine
US6684825B2 (en) 2001-05-07 2004-02-03 Saddle Rock Technologies, Llc Rotary machine and thermal cycle
US6672275B2 (en) 2001-05-07 2004-01-06 Ronnie J. Duncan Rotary machine and thermal cycle
US6484687B1 (en) 2001-05-07 2002-11-26 Saddle Rock Technologies Llc Rotary machine and thermal cycle
US6782866B2 (en) 2001-05-07 2004-08-31 Saddlerock Technologies Llc Rotary machine and thermal cycle
US20040187839A1 (en) * 2001-05-07 2004-09-30 Duncan Ronnie J. Rotary machine and thermal cycle
WO2002097249A1 (fr) * 2001-05-31 2002-12-05 Domiko Trading, Ltd. Procede de fonctionnement d'un moteur a piston rotatif et moteur a piston rotatif a combustion interne
US7100566B2 (en) 2001-05-31 2006-09-05 Domiko Trading Ltd. Operating method for a rotary engine and a rotary internal combustion engine
US20060201473A1 (en) * 2005-03-09 2006-09-14 Guest Aaron M Parallel Rotary Engine
US7201134B2 (en) 2005-03-09 2007-04-10 Aaron Matthew Guest Parallel rotary engine
US20110259296A1 (en) * 2010-04-21 2011-10-27 Jacobsen Sam J Rotary internal combustion engine
US8616176B2 (en) * 2010-04-21 2013-12-31 Sumner Properties, Llc Rotary internal combustion engine
GB2486787A (en) * 2010-12-20 2012-06-27 Stephen Morant Harding Machine with a lobed rotor in a chamber
US20150093278A1 (en) * 2012-05-10 2015-04-02 William Gruet Rotary-piston engine
US9771934B2 (en) * 2012-05-10 2017-09-26 William Gruet Rotary-piston engine

Also Published As

Publication number Publication date
FR1192157A (fr) 1959-10-23
BE562313A (fr) 1957-11-30
GB838166A (en) 1960-06-22
CH376318A (fr) 1964-03-31
NL106812C (fr) 1963-12-16

Similar Documents

Publication Publication Date Title
US3246636A (en) Rotary combustion engine and method of operating same
US3855977A (en) Rotary internal-combustion engine
US3830208A (en) Vee engine
US5797366A (en) Toroidal internal combustion engine
US4513568A (en) Method for the transformation of thermal energy into mechanical energy by means of a combustion engine as well as this new engine
US4015424A (en) Combustion engine with dual function motor element and rotary valve for cyclical fuel and exhaust metering
US2927560A (en) Rotary engine
US2614546A (en) Internal-combustion engine
US2863425A (en) Scavenging and supercharging system for rotary engines
US3664778A (en) Rotary internal combustion engine and sealing means therefor
GB1006408A (en) Improved rotary internal combustion engine
JPH07500890A (ja) 内燃ロータリーピストンエンジン
US3538893A (en) Rotary engine
US3487816A (en) Rotary engine
US3861361A (en) Rotary engine with piston scavenged precombustion chambers
GB1392174A (en) Rotary internal combustion engines
US5946903A (en) Internal combustion engine having a separate rotary combustion chamber
US3857370A (en) Rotary internal combustion engine
US20030111040A1 (en) Rotary piston engine
US3190269A (en) Combustion chambers for rotary engines
US4425880A (en) Rotating cylinder internal combustion engine
JPS5762915A (en) Fuel injection control for internal combustion engine
US11719187B2 (en) Air-fuel system for a circulating piston engine
US2736306A (en) Combustion chamber
GB2086479A (en) Rotary engines