EP0102555B1 - Machine à piston rotatif - Google Patents

Machine à piston rotatif Download PDF

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Publication number
EP0102555B1
EP0102555B1 EP83107898A EP83107898A EP0102555B1 EP 0102555 B1 EP0102555 B1 EP 0102555B1 EP 83107898 A EP83107898 A EP 83107898A EP 83107898 A EP83107898 A EP 83107898A EP 0102555 B1 EP0102555 B1 EP 0102555B1
Authority
EP
European Patent Office
Prior art keywords
blades
rollers
housing
rotary piston
radial
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
Application number
EP83107898A
Other languages
German (de)
English (en)
Other versions
EP0102555A1 (fr
Inventor
Robert C. Groll
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.)
Rcs Rotary Compression Systems Sa
Original Assignee
Rcs Rotary Compression Systems Sa
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 Rcs Rotary Compression Systems Sa filed Critical Rcs Rotary Compression Systems Sa
Priority to AT83107898T priority Critical patent/ATE31200T1/de
Publication of EP0102555A1 publication Critical patent/EP0102555A1/fr
Application granted granted Critical
Publication of EP0102555B1 publication Critical patent/EP0102555B1/fr
Expired legal-status Critical Current

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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
    • F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
    • F01C21/08—Rotary pistons
    • F01C21/0809—Construction of vanes or vane holders
    • F01C21/0818—Vane tracking; control therefor
    • F01C21/0827—Vane tracking; control therefor by mechanical means
    • F01C21/0836—Vane tracking; control therefor by mechanical means comprising guiding means, e.g. cams, rollers
    • 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
    • F01C1/30—Rotary-piston machines or engines having the characteristics covered by two or more groups F01C1/02, F01C1/08, F01C1/22, F01C1/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
    • F01C1/34—Rotary-piston machines or engines having the characteristics covered by two or more groups F01C1/02, F01C1/08, F01C1/22, F01C1/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F01C1/08 or F01C1/22 and relative reciprocation between the co-operating members
    • F01C1/344—Rotary-piston machines or engines having the characteristics covered by two or more groups F01C1/02, F01C1/08, F01C1/22, F01C1/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F01C1/08 or F01C1/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
    • F01C1/352—Rotary-piston machines or engines having the characteristics covered by two or more groups F01C1/02, F01C1/08, F01C1/22, F01C1/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F01C1/08 or F01C1/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the vanes being pivoted on the axis of the outer member

Definitions

  • a generic rotary piston machine has become known from US-A-2 124 918, in which the wings in particular are not arranged so that they are able to work in a balanced manner. This is mainly due to the fact that the wings are held on one side, which certainly leads to an imbalance, which cause uneven wear and thus jeopardize the good seal that is essential for proper functioning.
  • the one-sided mounting of the wing with its disadvantages also requires - if the known rotary piston machine should have an acceptable service life - the highest level of accuracy in manufacture, which from an economic point of view only appears extremely conditional, if at all portable.
  • the present invention has for its object to solve the sealing problems of the wing against the inner wall of the housing with a low and a high level of functional reliability guaranteeing construction.
  • the aim is that the new design is durable, low-loss and last but not least versatile, so z.
  • each rod can be changed in length
  • the wings in the slots of the rollers are additionally guided radially, with the aid of dowel pins, which extend from the bottom of the guide slots of the rollers and are mirror images of the center plane bisecting the depth of the wings, on which the wings can be moved.
  • a special embodiment can be seen in the fact that the circular rotary piston designed as a hollow cylinder is easily ground into the circular inner wall of the housing. This also avoids line contact between the housing and the rotary lobe and replaces it with a flat contact. The grinding could also be done by other measures, e.g. B. be replaced by arrangement of inserts.
  • each of the rollers receiving the vanes is connected to at least one radially inwardly directed rod, which penetrates a radial opening of the hollow cylindrical rotary piston with plenty of play and engages a central pin which is stationary is stored.
  • each rod is connected directly or indirectly to the respective wing, parts of the connection being telescopically screwed together.
  • the wings are guided radially in addition to the rod guide, with the aid of dowel pins provided in mirror image to the center plane.
  • the rotary piston 1 is also fitted into the housing 4 in such a way that it is easily movable in every direction of rotation about its axis Z2 and its circular outer surface continuously touches the circular, i.e. cylindrical inner wall 5 of the housing 4 with the axis Z1 at a full angular rotation.
  • the eccentric position of the rotary piston 1 in the housing 4 with the axis Z1 is thus clarified.
  • Rotatable rollers 6, whose longitudinal axes Z3 parallel to the axes Z1. Z2 run, are provided in the rotary piston 1 in geometric regularity; they have radial grooves or slots into which wings 7 engage with a sliding fit, the surfaces of which facing the housing inner wall 5 are adapted to the curvature of the wall. If a wing 7 completely fills the slot of the roller 6 and if a connecting line between the roller axis Z3 and the housing axis Z1 also runs through the axis Z2 of the rotary piston 1, then the curved surface of the wing 7 touches the housing inner wall 5 in a sliding manner.
  • multi-part and connected to the respective wing 7 rod 8 passes through a bore of the roller 6 and with plenty of play a correspondingly shaped opening 9 of the hollow cylindrical rotary piston 1, so that this rod 8 firmly connected to the wing 7 about the axis of rotation Z3 of the roller 6 is sufficiently pivotable is.
  • This version applies to each roller 6, so that eight rods 8 protrude into the rotary lobe cavity in the exemplary embodiment.
  • These rods 8 are articulated to a stud bolt 10 provided in the center Z1 of the housing 4 and rigidly connected to the housing 4.
  • a rotary piston machine illustrates the essence of the invention; this does not restrict the intended use.
  • the latter When designing the machine, the latter must be adapted to the intended use and be provided with the additional features or parts corresponding to the purpose. If this rotary lobe machine is used, for example, as a device for operating a heat pump, air conditioning system or the like, then it must be appropriately supplemented in accordance with DE-A-3 129 133.3-13 (to which express reference is made). H. be provided with inlet and outlet openings, etc., which are generally not constructed in the same way as in machines which, for. B. can be used as an expander of gases. When it is designed as a rotary piston engine, the design will experience changes depending on whether the respective machine is to be operated using the Otto or Diesel process.
  • the exemplary embodiment according to FIG. 3 differs from that of the previous figures. That the rotary piston 1 in the Inner wall 5 of the housing 4 is ground. In other words, the rotary piston 1 does not move about the axis Z2, but about the axis Z4.
  • the grinding-in dimension M is illustrated by a dashed line 11, the curvature of which is identical to the curvature of the inner wall 5 of the housing 4. It goes without saying that the grinding-in dimension M is shown oversized and in reality moves within narrow limits.
  • pins extending from the base of the guide slots 14 of the rollers 6 are provided, on which the wing 7 can be moved radially to the axis Z1. These pins, not shown, must be provided at the same distance from a plane which halves the depth of the housing 4.
  • This rod 8 also has a turnbuckle-like intermediate piece 18, so that the radial distance of the respective wing 7 from the axis Z1 is adjustable.
  • rods 8 must somehow find their place on the bolt 10 with their inner ends.
  • An axial succession, as indicated in FIG. 2, is only conceivable with a few wings 7, since tilting forces on the wings cannot be ruled out due to the axial offset.
  • cranked rods 8 Another feasible way can be seen in that the rods 8 are connected to a single star bearing on the bolt 10. It is also to be taken for granted that rod constructions must be chosen which can be installed without great difficulty.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Rotary Pumps (AREA)
  • Hydraulic Motors (AREA)
  • Massaging Devices (AREA)
  • Centrifugal Separators (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)

Claims (2)

  1. Machine à piston rotatif comportant un piston rotatif (1) monté excentré dans un carter (4), qui présente des cylindres (6) répartis sur son pourtour, montés de manière à pouvoir tourner dans celui-ci, dont les axes sont parallèles à l'arbre (2) du piston rotatif, des ailes (7) maintenues dirigées radialement étant guidées sur l'axe (Z1) du carter (4) et étant fixées par des tiges (8) à une certaine distance radiale de l'axe (Z1) du carter, le piston rotatif (1) circulaire, en forme de cylindre (2) étant monté dans le carter (4) au moyen de flasques de support et de paliers (3) (voir figure 2) de telle sorte qu'il est en contact glissant en un point, sur toute sa profondeur, avec la paroi intérieure (5) du carter, machine dans laquelle :
    a) les cylindres (6) guidant les ailes (7) sur toute leur longueur - à l'exception d'ajours (17) radiaux pratiqués dans les cylindres (6) pour les tiges (8) formant le support radial des ailes (7) - présentant la même section transversale et remplissant avec une même section transversale la profondeur axiale du carter (4) ;
    b) les cylindres (6) recevant les ailes (7) de même section transversale également sur toute leur longueur dans les fentes (14) traversant partiellement seulement les cylindres (6) ;
    c) la profondeur des fentes (14) des cylindres (6) recevant les ailes (7) étant au moins égale à la hauteur radiale des ailes (7) adaptées sur leurs extrémités extérieures au rayon de courbure de la paroi intérieure (5) du carter ;
    d) chaque cylindre (6) recevant les ailes (7) étant relié avec au moins l'une des tiges (8) dirigées radialement vers l'intérieur, chaque tige traversant avec un jeu suffisant un ajour (9) radial du piston rotatif (1) cylindrique creux et agissant sur un boulon (10) central qui est monté fixe, caractérisée en ce que :
    l'ajour (17) est un perçage pratiqué dans le cylindre (6),
    chaque tige (8) est de longueur variable,
    les ailes (7) sont guidées radialement en outre dans les fentes (14) des cylindres (6), au moyen de goupilles d'assemblage partant du fond des fentes de guidage (14) des cylindres (6), prévues en miroir par rapport au plan médian partageant en deux la profondeur des ailes (7),
EP83107898A 1982-08-16 1983-08-10 Machine à piston rotatif Expired EP0102555B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83107898T ATE31200T1 (de) 1982-08-16 1983-08-10 Drehkolben-maschine.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3230413 1982-08-16
DE3230413 1982-08-16

Publications (2)

Publication Number Publication Date
EP0102555A1 EP0102555A1 (fr) 1984-03-14
EP0102555B1 true EP0102555B1 (fr) 1987-12-02

Family

ID=6170971

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83107898A Expired EP0102555B1 (fr) 1982-08-16 1983-08-10 Machine à piston rotatif

Country Status (4)

Country Link
EP (1) EP0102555B1 (fr)
AT (1) ATE31200T1 (fr)
DE (1) DE3374832D1 (fr)
GB (1) GB2126282B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1209540B (it) * 1984-05-09 1989-08-30 Francesco Di Paola Pompa-motore, ad eccentricita'macchina fluidica rotante variabile, con palette oscillanti ad alta pressione ed elevato rendimento.

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1095340A (fr) *
GB190926718A (en) * 1908-11-19 1910-05-19 Edmond Castellazzo Improvements in Rotary Engines.
FR493844A (fr) * 1917-11-21 1919-08-22 Nicolas Jean Fortunesco Moteur rotatif
GB300534A (en) * 1927-08-12 1928-11-12 Ettore Lanzerotti Spina Improvements in rotary pumps and engines
GB311845A (en) * 1928-02-23 1929-05-23 George Edward Thomas Eyston Improvements in or connected with rotary pump machines
GB441339A (en) * 1934-07-17 1936-01-17 John Endersen Improvements in or relating to rotary pumps or rotary engines
GB463616A (en) * 1936-01-03 1937-04-02 Raoul Mabille Improvements in or relating to rotary engines
US2117573A (en) * 1936-01-08 1938-05-17 Webb Glade Pump Ass Rotary pump
GB475851A (en) * 1936-03-18 1937-11-26 Raoul Mabille Improvements in or relating to rotary engines
US2124918A (en) * 1937-06-25 1938-07-26 Hanson Hans Magnus Rotary vane pump
GB877711A (en) * 1959-09-24 1961-09-20 Alistair Kenyon Bodycomb Improvements in vane type engines, pumps, fluid compressors, flow meters and the like
GB974090A (en) * 1960-12-03 1964-11-04 Ustav Pro Vyzkum Motorovych Vo Rotary piston internal combustion engine
US3771902A (en) * 1971-09-22 1973-11-13 R Bandy Rotary compressor
DE2757817A1 (de) * 1977-12-23 1979-06-28 Traugott Horsch Drehhubkolben-verbrennungsmotor
ES8103289A1 (es) * 1980-05-13 1981-02-16 Otero Gonzalez Teofilo Turbina rotativa
GB2089893B (en) * 1980-12-15 1985-04-24 Kurherr Motoren Ag Bi-chamber rotary elastic-fluid engine

Also Published As

Publication number Publication date
ATE31200T1 (de) 1987-12-15
GB2126282B (en) 1985-11-13
EP0102555A1 (fr) 1984-03-14
GB2126282A (en) 1984-03-21
DE3374832D1 (en) 1988-01-14
GB8303645D0 (en) 1983-03-16

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