EP0316346B1 - Drehkolbenmaschine - Google Patents

Drehkolbenmaschine Download PDF

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Publication number
EP0316346B1
EP0316346B1 EP87905199A EP87905199A EP0316346B1 EP 0316346 B1 EP0316346 B1 EP 0316346B1 EP 87905199 A EP87905199 A EP 87905199A EP 87905199 A EP87905199 A EP 87905199A EP 0316346 B1 EP0316346 B1 EP 0316346B1
Authority
EP
European Patent Office
Prior art keywords
rotating
fact
cam
piston machine
accordance
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
EP87905199A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0316346A1 (de
Inventor
Jürgen SCHUKEY
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.)
SITA Maschinenbau und Forschungs GmbH
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AT87905199T priority Critical patent/ATE56786T1/de
Publication of EP0316346A1 publication Critical patent/EP0316346A1/de
Application granted granted Critical
Publication of EP0316346B1 publication Critical patent/EP0316346B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F01C1/00—Rotary-piston machines or engines
    • F01C1/02—Rotary-piston machines or engines of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
    • F01C1/063—Rotary-piston machines or engines of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents with coaxially-mounted members having continuously-changing circumferential spacing between them
    • F01C1/067—Rotary-piston machines or engines of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents with coaxially-mounted members having continuously-changing circumferential spacing between them having cam-and-follower type drive

Definitions

  • the invention relates to a rotary piston machine with a housing, with a shaft mounted in the housing, with an annular space in which two rotating bodies are arranged and on the walls, in which inlet and outlet openings for the working medium are provided, the rotating bodies bear tightly, each Rotating body has four radially outwardly extending sector-shaped wings, the two rotating bodies are arranged coaxially and their wings engage in such a way that one wing of one rotating body is arranged between two wings of the other rotating body, a cam path control being provided, by which when rotating the The shaft rotates both rotating bodies with cyclical changes in the rotational speed and the distances between the vanes of the two rotating bodies, and the cam track control has inner cam rings which are connected to the shaft in a rotationally fixed manner.
  • the task is to create a rotary piston machine that works very effectively and in which there are essentially no problems due to uneven running.
  • the cam track control has outer cam rings, which are connected in a rotationally fixed manner to a rotating body, and rolling elements which are displaceable in the radial direction and are held immovably in the circumferential direction by a cage connected to the housing, in that four of the rolling elements each have an inner cam ring and one roll the outer cam ring, and that for each rotating body provided with such a cam track control, two pairs of inner / outer cam rings each with four rolling elements are provided.
  • the two rotary bodies can be set in motion in such a way that the volume of the working spaces on their two sides is changed cyclically in accordance with inlet and outlet openings, so that the desired mode of operation is achieved.
  • the power transmission takes place over the shortest path each over two curved track surfaces.
  • the power flow is guaranteed at every point on the cam track. Play-free running is also ensured.
  • the curve geometry can be constructed in such a way that uniform acceleration values are achieved, as a result of which the acceleration torque can be reduced.
  • Eight rolling elements per rotating body are constantly free of play and non-positive.
  • the power transmission takes place both through lifting work of the rolling elements and through traction between the cam tracks and the rolling elements (i.e. rolling of the rolling elements on the cam tracks).
  • the rolling elements roll smoothly and smoothly on the rolling tracks of the inner and outer cam ring and do not slide.
  • the axial function for the rolling path results from the radial function. It must be ensured that for a given rotation of the rolling element by a certain angle the rolling element rolls on both tracks without sliding. This is done by changing the effective rolling element diameter in that the track is axially displaced at a point where the effective rolling element diameter has the appropriate value due to the cone shape.
  • cam rings can be tensioned in the axial direction by providing a space between the cam ring halves, the cam ring halves can be pressed firmly against the rolling elements by means of axial tension, so that the entire arrangement is free of play.
  • This clamping action in the axial direction is advantageously carried out by spring action.
  • two pairs of cam rings must be provided per rotating body. If it is provided that the one set of cam rings of the pair of sets is identical but installed the other way round than the other set of cam rings of the pair of cam rings and the rolling elements of one set of cam rings are offset by 45 ° with respect to the set of the other cam rings, on the one hand, the two sets of rolling elements can be installed quite close together in the axial direction, which reduces the overall size. Balancing is also better under these conditions. By using the same cam rings for both sets, the number of different cam rings becomes very small. Only two outer curve ring halves and two inner curve ring halves have to be produced.
  • the angular position of the cages with respect to the housing can be changed, the position of the inlet and outlet openings can still be changed.
  • the cyclical movement of the two rotating bodies then remains the same among themselves; the rotating bodies or the working chambers formed between them then meet the inlet and outlet openings at other times, so that the operation of the machine can be changed in a simple manner.
  • At least parts of the radially outer wall are formed by movable, hollow elements provided with seals which, when the contact pressure on the wings decreases and therefore a poorer sealing effect due to a leakage flow caused thereby, are pressed more firmly against the wings will. In this way, one obtains a very simple and expedient automatic regulation of the sealing effect between the rotating bodies and the walls of the sealing space.
  • This mode of operation can be used both for a compressor and for an internal combustion engine. Only combustion rooms, fuel lines, etc. would have to be provided.
  • FIG. 2 shows four phases of the work cycle just described. After a 90 ° rotation of the two rotating bodies, a new work cycle begins.
  • the drive shaft (5) is rotatably mounted in the housing (2) via a spacer sleeve (15) and radial and axial bearings (16, 17) and a housing flange (18). Outside the spacer sleeve (15) there is also a coupling flange (19) and a nut (20). On the inside of the spacer sleeve (15) follow the two pairs of inner cam rings, which form inner cam rings (7). Then on the right is a spacer sleeve (21) which leads to the corresponding inner rings (7) on the other side, which are intended to drive the other of the two rotating bodies.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Transmission Devices (AREA)
EP87905199A 1986-07-23 1987-07-22 Drehkolbenmaschine Expired - Lifetime EP0316346B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87905199T ATE56786T1 (de) 1986-07-23 1987-07-22 Drehkolbenmaschine.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3624842 1986-07-23
DE19863624842 DE3624842A1 (de) 1986-07-23 1986-07-23 Drehkolbenmaschine

Publications (2)

Publication Number Publication Date
EP0316346A1 EP0316346A1 (de) 1989-05-24
EP0316346B1 true EP0316346B1 (de) 1990-09-19

Family

ID=6305762

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87905199A Expired - Lifetime EP0316346B1 (de) 1986-07-23 1987-07-22 Drehkolbenmaschine

Country Status (9)

Country Link
US (1) US4938668A (ko)
EP (1) EP0316346B1 (ko)
JP (1) JP2633276B2 (ko)
KR (1) KR950006396B1 (ko)
AU (1) AU608239B2 (ko)
DE (2) DE3624842A1 (ko)
DK (1) DK88088A (ko)
FI (1) FI98473C (ko)
WO (1) WO1988000641A1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992010648A1 (de) * 1990-12-12 1992-06-25 Sita Maschinenbau- Und Forschungs Gmbh Drehkolbenmaschine

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6289867B1 (en) 1999-03-31 2001-09-18 Cummins Engine Company, Inc. Rotary engine
US6401686B1 (en) 1999-12-01 2002-06-11 Melvin L. Prueitt Apparatus using oscillating rotating pistons
LT5404B (lt) * 2005-05-03 2007-03-26 Sigitas Kudarauskas Laisvų svyruojančių stūmoklių šiluminė mašina
CA2632815A1 (en) * 2007-05-30 2008-11-30 Steven J. Keays Rotary and translating displacement device
DE102018125624A1 (de) * 2018-10-16 2020-04-16 FreeFreeze GmbH Rotationskolbenmaschine und Verfahren zur Herstellung einer Abdichtung in einer Rotationskolbenmaschine

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1458950A (en) * 1920-02-13 1923-06-19 Poirmeur Louis Ildevert Explosion rotating engine
GB299776A (en) * 1927-10-31 1929-09-12 Aron Kolko An improved rotary motor
US1874308A (en) * 1927-10-31 1932-08-30 Kolko Aron Rotary motor
US1920201A (en) * 1929-10-28 1933-08-01 Kolko Aron Alternating piston rotary engine
US1950228A (en) * 1930-04-14 1934-03-06 Dedieu Jean Rotary internal combustion engine
NL32698C (ko) * 1931-04-03
FR2032631A5 (ko) * 1970-01-15 1970-11-27 Weber Charles Henri

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992010648A1 (de) * 1990-12-12 1992-06-25 Sita Maschinenbau- Und Forschungs Gmbh Drehkolbenmaschine
US5326238A (en) * 1990-12-12 1994-07-05 Sita Maschinenbau-Und Forschungs Gmbh Rotating piston machine having cam controlled alternating pistons

Also Published As

Publication number Publication date
DK88088A (da) 1988-03-11
JPH01503319A (ja) 1989-11-09
JP2633276B2 (ja) 1997-07-23
KR950006396B1 (ko) 1995-06-14
AU7788987A (en) 1988-02-10
DE3765121D1 (de) 1990-10-25
FI98473B (fi) 1997-03-14
FI890208A0 (fi) 1989-01-16
US4938668A (en) 1990-07-03
DE3624842A1 (de) 1988-01-28
DK88088D0 (da) 1988-02-19
WO1988000641A1 (en) 1988-01-28
AU608239B2 (en) 1991-03-28
KR880701812A (ko) 1988-11-05
FI98473C (fi) 1997-06-25
FI890208A (fi) 1989-01-16
EP0316346A1 (de) 1989-05-24

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