EP2118490A1 - Kreiskolbenmaschine - Google Patents
KreiskolbenmaschineInfo
- Publication number
- EP2118490A1 EP2118490A1 EP07857029A EP07857029A EP2118490A1 EP 2118490 A1 EP2118490 A1 EP 2118490A1 EP 07857029 A EP07857029 A EP 07857029A EP 07857029 A EP07857029 A EP 07857029A EP 2118490 A1 EP2118490 A1 EP 2118490A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rotary
- annular channel
- piston
- lever
- machine according
- 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.)
- Granted
Links
- 230000033001 locomotion Effects 0.000 claims abstract description 31
- 239000012530 fluid Substances 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims description 13
- 230000000295 complement effect Effects 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000000565 sealant Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 8
- 230000008878 coupling Effects 0.000 description 8
- 238000010168 coupling process Methods 0.000 description 8
- 238000005859 coupling reaction Methods 0.000 description 8
- 238000002485 combustion reaction Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C9/00—Oscillating-piston machines or pumps
- F04C9/002—Oscillating-piston machines or pumps the piston oscillating around a fixed axis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
- F04C15/0007—Radial sealings for working fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C9/00—Oscillating-piston machines or pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/30—Casings or housings
Definitions
- the invention relates to a rotary piston machine with at least one annular channel curved along an at least partial circular arc, in which a piston is movably mounted in a fluid which mediates a movement and flows in via a fluid connection and via another fluid connection, which is concentric with a lever is coupled to the circular arc with its axis of rotation coaxially arranged rotary body, wherein the lever is guided by a in the wall of the annular channel in the direction of movement of the piston introduced, sealed gap to the rotary body.
- a rotary engine of this type is specified in DE 91 03 452 U1.
- a piston connected to a drive is rotated by oil pressure in an annular housing.
- oil pressure pump in the tubular annular inner supplied oil of the housing by means of an oil pressure pump via an oil pressure line to achieve an overfeed of the piston.
- oil is eliminated via a suction line by means of an intermediate suction pump in this area, whereby a continuous uniform piston circulation is to be ensured.
- the piston is mounted on a radially guided by a gap from the tubular housing rotatable piston disc which is fixed to a central motor shaft.
- the two surrounding the tubular annulus engine halves extend over the entire cross-sectional area of the engine, wherein the shaft is passed through the motor halves.
- the oil pressure within the cylinder after its inflow into the cylinder space can equally spread in both directions, with the suction line apparently ending in an oil sump. With this structure, no continuous operating function is achieved. Also, no information is given to a seal, which is essential for the function.
- a hydraulic motor with gear effect is specified, with which certain rotational angle settings are possible at low speeds.
- a gear on a shaft which is rotatably mounted in a housing, radially flat piston with wedge-shaped tip towards the gear and a T-shaped design on the side facing away from the gear in a fixedly connected to the housing segment sleeve slidably disposed.
- penetrating oil pushes the flat piston with the wedge-shaped tip in the teeth of the gear. Due to the pitch difference of flat piston and gear, the gear is rotated, with several pistons are constantly engaged. By the continuous, successive loading of the flat pistons, a uniform rotational movement is generated.
- a plurality of flat pistons must be moved in coordination with each other, wherein the movement takes place in the radial direction. This intended for defined rotational angle settings construction is relatively complex and suitable only for relatively slow rotational movements.
- the FR 2 500 075 A1 shows a further hydraulic motor with a circular arc-shaped curved circular cylinder and disposed therein, acted upon by the hydraulic medium piston, which are fixed to a central shaft.
- flaps are movably mounted, which are pivoted into recesses of the cylinder wall to release the path of the piston passing through.
- the pistons can pass through the cylinder space only in Einschwenkides the flaps.
- the pistons and flaps are subject to high wear, whereby a permanent function and high torque are not guaranteed.
- the cylinder space is enclosed by interconnected housing halves, which have radially projecting towards the middle of the housing, adjacent to a central shaft projections. Between the projections, a gap is left, are guided by the lever arms, which are connected on the one hand with the piston and on the other hand with the central shaft, wherein between the designed as a circular disk lever arms and the projections sealing elements are arranged.
- the circular disk-shaped lever arms are provided with recesses for a pressure reduction.
- GB 1 283 907 Another rotary piston machine, which is designed as a metering pump, is shown in GB 1 283 907.
- two concentrically opposite pitch circle cylinders are used.
- the curved piston mounted with curved piston rods mounted thereon which are moved by a central shaft in reciprocating motion via a lever acting on the piston rod to pump a liquid in a precisely metered amount in a pulsed manner.
- the piston rods are led out of the respective partial circular cylinder by their cross-sectional area and coupled to the lever outside the cylinder.
- the movement of the piston or the shaft is limited to a relatively small angular range, wherein the structure has primarily synchronizing function.
- an exact guidance and force transmission between the shaft and piston, especially at relatively high torques is difficult and the structure is unsuitable for transmitting high forces or moments.
- DE 39 00 375 shows an internal combustion engine with evenly circulating piston in an annular space.
- this annular space cylinder space the four operating cycles of an internal combustion engine are integrated in series.
- the structure requires elaborate measures for controlling the combustion, generating the fuel mixture and guiding the exhaust gases. Especially with slow movements and high torques, it is difficult to build such a machine suitable. To such an internal combustion engine is therefore not present.
- the invention has for its object to provide a rotary piston machine with a fluid located in the cylinder chamber, in particular an incompressible liquid, with the motion sequences are controllable with high accuracy even when transmitting high torques.
- This structure results in a stable coupling between the piston and rotary body.
- an adaptation to the requirements of the respective application purpose can be made in a wide range.
- an accurate control of the motion sequences z. B. via a program in a control device possible, especially if a liquid is used as incompressible fluid.
- the control can take place by means of an exactly operating pump and control valves which can be activated in the desired way.
- the cross section of the piston or channel space need not be circular, but may also have a virtually any other shape.
- the lever does not need to be brought out on the side opposite the rotary body side of the channel wall, but the gap can for example also be arranged on the top or bottom of the annular channel, wherein the annular channel can be constructed with its housing on the plane of movement of the lever. Supported by the seal, high driving forces and precise movement sequences can be achieved.
- An advantageous guidance of the lever and sealing of the gap is achieved in that the lever over its entire range of movement along the gap length z. B. is extended as a circular ring or disc.
- Advantageous measures for the seal further consist in that the wall of the annular channel is widened in the gap region in the radial direction.
- the measures are advantageous in that the retaining structure on the annular channel are designed as radial projections extending on both sides along the gap and the complementary retaining structure on the lever as a claw-type clamp.
- the lever in plan view has the shape of a circular disc or a circular cutout or that the annular channel is directly adjacent to the outer periphery of the rotary body.
- axially one or both sides mounted shaft stumps can serve.
- the measures are advantageous in that the annular channel with respect to the plane of movement of the piston is composed of two interconnected half-shells.
- the half-shells can advantageously be screwed together on flanges on both sides of the annular channel and can have different outer contours.
- Various further design variants result from the fact that the rotary body with respect to the annular channel arranged outside or inside, in particular a central shaft, and that the lever is coupled by means of a hub to the shaft, the force transmission in both directions or only in a direction of rotation causes and causes a freewheel in the other direction.
- At least two independently rotating pistons are arranged in a 360 ° cylinder or that at least two annular channels are coupled to a rotary body, which are arranged on radially opposite sides of the rotary body and / or axially offset.
- multiple ring channels can be used in parallel operation z.
- B. increases the drive torque or conversely, a pump power can be increased.
- With radially opposing arrangement of at least two annular channels can be achieved by a corresponding control a continuous 360 ° circumferential movement of the rotary body in a drive.
- a control over larger angular ranges z. B. be achieved in that at least two independently rotating pistons are arranged in a 360 ° comprehensive channel or that at least two annular channels are coupled to a rotating body and operated so that the pistons are out of phase.
- two pistons operating independently of one another in an annular channel one is always blocked by a controllable locking element in its movement relative to the channel.
- a further advantageous embodiment for the motion control is that fluid connections of the annular channels are connected to each other in such a way that a return of the one piston is done by the drive of the other piston.
- An advantageous construction for a reliable function further consists in that the rotary piston machine is designed as an aggregate for a reciprocating movement, wherein the connections are mutually controllable to the inflow or outflow of the fluid, that the wall of the annular channel in the gap region has an increased width, the lever, on the one hand, and the wall regions of the annular channel adjacent to the gap, on the other hand, are provided with interengaging complementary retaining structures whose retaining forces are in opposition to opening the gap, and in that the retaining structure on the annular channel extends as radial projections extending along the gap on both sides complementary holding structure is formed on the lever as a cross-section claw-like clamp.
- the rotary body is mounted on a housing part of the annular channel by means of balls or rollers.
- the sealing means are acted upon by their side facing away from the lever surface side with compressive force.
- a further advantageous embodiment is that two levers are provided with two pistons running in the annular channel and that a locking device is provided with locking means by means of which a respective rotary body with the associated piston can be fixed and the stationary piston has a channel bottom for driving the respective other piston forms with the associated rotary body.
- rotary piston engine is used as a steering drive of a steered wheel.
- an easily adaptable control program results in individual, coordinated controls of the steering angle of the individual wheels of a vehicle.
- a further advantageous application is that the rotary piston engine is used as a rotary drive of a wheel, so that in a vehicle z. B. each wheel an individual drive with central or decentralized control can be assigned.
- 1 is a rotary piston machine in plan view in a schematic sectional view
- 2 shows the rotary piston machine in cross-section with respect to the annular channel in a schematic representation
- FIG. 3 shows a section of the rotary piston machine in the region of a coupling of a rotary body in the form of a shaft
- Fig. 5 shows a detail of the rotary piston engine in the region of the coupling between an annular channel and a lever between the piston and
- Fig. 8 shows a detail of the rotary piston engine in a Abdicht Geneva
- 9A and 9B a detail of another embodiment of the rotary piston engine with two levers and a common annular channel.
- Fig. 1 shows a section through a rotary piston machine perpendicular to a rotary body in the form of a shaft 7 in a schematic representation.
- a piston 2 is in one along a pitch circle by more than 180 ° extending annular channel 1, for example circular cylinder, guided and transmits by a lever 5, the z. B. is formed as a circular disc, the movement of the piston via a hub 6 on the shaft. 7
- the piston 2 is z. B. as a drive member by pumping a advantageously incompressible fluid through a corresponding fluid port 3 or 4 and discharge of the fluid via the other fluid port 4 or 3 moves.
- the hub 6 On the shaft 7 is seated for coupling between the lever 5 and the shaft, the hub 6, which may be embodied in various ways, for example, to transmit the torque to the shaft 7 in one direction and freewheel in the other direction or for torque transmission in both directions.
- a relatively large angular range between z. B. 180 ° and 320 ° are covered, so that the rotary piston drive can be used as an aggregate for a reciprocating movement, for example, for the steering of individual wheels in a vehicle, such as a forklift, advantageous.
- the rotary piston drive and two or more annular channels 1 or circular cylinder can be provided which are operated in parallel in the same direction or transmit their torques in the opposite direction, the other lever in the freewheel with respect to the shaft 7 is operated , O- the annular channels 1 can optionally be arranged axially offset with respect to the shaft on radially opposite sides with respect to the shaft, so that by means of multiple ring channels 1 by phase-offset control and a continuous rotational movement of the shaft can be realized by 360 °. Also, by the control with an unchanged structure of the drive unit by speaking control of switching valves 11 the same drive unit once taxed in parallel operation of the ring channels 1 and the other time in the staggered operation. Also mixed forms are possible. This means that different torque ranges and angular ranges of movement can be covered with the same machine.
- pistons operate in the same annular channel space, wherein the pistons are associated with separate, axially offset levers, which are connected via unlockable locking elements, such as.
- Pawls are coupled via a hub with the shaft 7, as shown schematically in Fig. 3. In this way, the pistons are movable relative to each other in the cylinder space to effect the drive by suitable control.
- Fig. 2 shows an axial section of the rotary piston engine. On the left side of the piston 2 in the annular channel 1 or circular cylinder can be seen. In this illustration, it is clear how the lever 5, z. B. realized by a circular disc, extends into the annular channel 1 and closes the cavity with the annular channel 1. In this case, the lever 5 is fixedly connected to the piston 2.
- a freewheel by means of locking elements in the form of pawls 8 and nubs 9 and a toothing is formed, wherein the pawls 8 in the drive direction on steep flanks of the knobs 9 and toothing support, while the pawls 8 glide in the freewheeling direction over the flat flanks of the knobs 9 and Zah- tion.
- Such a pawl mechanism may be constructed with double pawls pivotable in both directions also in such a way that a drive on the one hand and freewheel on the other hand is made possible in both directions, why accordingly steep and flat tooth flanks in different directions on the shaft or hub z.
- B. a solenoid or hydraulic actuator provided.
- Fig. 4 shows a schematic representation of the coupling of two annular channels 1 to a rotary piston drive.
- the coupling makes it possible, with a corresponding connection to the switching valve 11, to drive the shaft 7 with constant torque or to pump the fluid at constant flow by means of a pump 15.
- the fluid connections 4A and 3B or 3A and 4B are connected via a connecting line 10, so that while one piston (eg 2A) drives the shaft 7, the other piston (eg 2B) is returned ,
- the arrow in Fig. 4 indicates the direction in which a force can be exerted on the shaft 7.
- Fig. 5 shows an embodiment of the rotary piston engine, wherein a pressure on the wall of the annular channel 1 is received by a mounted on the lever 5 claw-like clamp 12.
- This allows the wall z. B. be made significantly thinner than without such a terminal or the rotary piston engine can be designed for much higher pressure.
- sealing elements 13, in particular sealing rings can advantageously be used in the gap region to the two adjacent lever surfaces.
- a short lever 5 is z. B. be achieved in that the shaft 7 and the annular channel 1 in the gap region adjacent to each other and z. B. a seal is made in the manner as shown in Fig. 5. Furthermore, it is advantageously provided that the annular channels 1 z. B. in the middle plane of movement of the piston 2 are composed of two parts, so that the piston 2 and the seals 13 can be used easily. This z. B. also be formed on the outside of the annular channels 1, a flange for clamping the two half-shells of the circular cylinder 1.
- the described basic unit of the rotary piston engine can be used for various purposes, for example as a central or decentralized steering drive of wheels, as a rotary drive of wheels, as a hydraulic servo motor, in combination as a hydraulic pump / motor assembly z. B. for simulating a propeller shaft and the like.
- the externally arranged rotary body is on a housing portion of the annular channel 1, on an upper half of the housing, in addition to the Lever, which is also formed here, for example, as a circular disk, mounted by means of a ball bearing. Accordingly, the lever 5 is led out in the form of the traction sheave through a gap on the outer circumference of the annular channel 1 and sealed in the gap by means of the sealing means 13.
- the rotary body in the present case designed as an outer rotary ring 20, mounted and in turn provided with an overhead support structure 31, on which then a structure to be rotated, for example a crane frame, can be mounted.
- a support structure 30 on the underside of the outer rotary ring 20 is readily feasible, as far as appropriate requirements are to be met.
- the housing of the annular channel 1 can be constructed in a variety of ways and connected to a suitable base for the respective case.
- the outer rotary ring 20 is z. B. via a four-point bearing part on the housing of the annular channel 1 stored.
- the traction sheave if necessary, be led out by a top or bottom (north or south side) of the annular channel 1 arranged gap and even outside the gap z. B. to the outside or inside horizontally or obliquely.
- Fig. 7 shows an embodiment of the rotary piston engine, in which the rotary body is designed as an inner rotary ring 21, to which also an overhead support structure 31 is coupled.
- an additional storage is provided via a ball bearing in the lower region of a portion of the annular channel housing.
- a lower support structure may be provided on the inner rotary ring 21 and a lower support structure 30 for receiving the annular channel housing.
- a gap for the lever 5 on the top or the bottom of the annular channel 1 may be arranged.
- a reliable sealing with sealing means 13 is also necessary in this case.
- the remote from the surface of the lever 5 outside of the sealant 13 is effected with a contact pressure, for example via a fluid, which may be the same fluid as in the annular channel 1, which is supplied via separate channels.
- the hydraulic pressure can be suitably adjusted and z. B. be secured by valves.
- transitions between housing parts, between housing and piston and / or lever 5 are sealed with other sealing means, which are also equipped where necessary, with adapted guide surfaces.
- the contact pressure can be carried out in the manner mentioned above.
- FIGS. 9A and FIG. 9B A further embodiment of the rotary piston engine is shown in FIGS. 9A (partially cutaway section in plan view) and FIG. 9B (partially cutaway section in cross section).
- two separate levers 5, which are preferably designed as traction sheaves are connected to two pistons 2 driven in the same annular channel 1.
- a traction sheave 5 is about a z.
- the movable traction sheave 5 'z. B hydraulic or electromechanical locking system with locking means 16 and forms a bottom in the annular channel against which a pressure to drive the free traction sheave 5 'with the other piston 2 can build.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Hydraulic Motors (AREA)
- Reciprocating Pumps (AREA)
- Supercharger (AREA)
- Automatic Disk Changers (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
- Transmission Devices (AREA)
- Actuator (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL07857029T PL2118490T3 (pl) | 2007-01-02 | 2007-12-21 | Maszyna z tłokiem wirującym |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007001021A DE102007001021B4 (de) | 2007-01-02 | 2007-01-02 | Kreiskolbenmaschine |
PCT/EP2007/011306 WO2008080574A1 (de) | 2007-01-02 | 2007-12-21 | Kreiskolbenmaschine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2118490A1 true EP2118490A1 (de) | 2009-11-18 |
EP2118490B1 EP2118490B1 (de) | 2010-10-13 |
Family
ID=39433840
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07857029A Active EP2118490B1 (de) | 2007-01-02 | 2007-12-21 | Kreiskolbenmaschine |
Country Status (12)
Country | Link |
---|---|
US (1) | US8376725B2 (de) |
EP (1) | EP2118490B1 (de) |
JP (1) | JP5140681B2 (de) |
KR (1) | KR101293702B1 (de) |
CN (1) | CN101622454B (de) |
AT (1) | ATE484679T1 (de) |
BR (1) | BRPI0720869B1 (de) |
DE (3) | DE102007001021B4 (de) |
ES (1) | ES2353625T3 (de) |
PL (1) | PL2118490T3 (de) |
RU (1) | RU2426914C2 (de) |
WO (1) | WO2008080574A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011003934A1 (de) * | 2011-02-10 | 2012-08-16 | Elringklinger Ag | Dichtungselement für Kreiskolbenmaschine |
CN103442748B (zh) | 2011-02-19 | 2016-08-10 | 图什医疗有限公司 | 紧凑型医用泵装置 |
RU2539602C1 (ru) * | 2013-10-01 | 2015-01-20 | Общество с ограниченной ответственностью "Центр технического сотрудничества" при МГУ им. Н.Э. Баумана" | Рулевой привод поровота колеса |
US10718359B2 (en) | 2015-08-21 | 2020-07-21 | Quality Manufacturing Inc. | Devices and systems for producing rotational actuation |
WO2018098106A1 (en) * | 2016-11-23 | 2018-05-31 | Quality Manufacturing Inc. | Piston linkage and axle drive assembly |
DE102019112796A1 (de) * | 2019-05-15 | 2020-11-19 | HR Flurfördergeräte GmbH | Kreiskolbenmaschine |
CN111810242B (zh) * | 2020-08-05 | 2024-07-30 | 李海鹏 | 高压旋转活塞叶轮蒸汽动力机 |
DE102022128519A1 (de) | 2022-10-27 | 2024-05-02 | Heinz Raubacher | Reinwassergewinnungsanlage |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB262965A (en) | 1926-01-07 | 1926-12-23 | Edward Johnstone Roberts | Improvements in and relating to sun helmets or topees |
BE757880A (fr) | 1969-10-23 | 1971-04-22 | Rhone Poulenc Sa | Pompe a piston torique |
JPS5456007U (de) * | 1978-09-27 | 1979-04-18 | ||
FR2500075A1 (fr) * | 1981-02-16 | 1982-08-20 | Pierre Pommier | Verin circulaire a huile ou moteur a eau |
JPS5951102A (ja) * | 1982-09-16 | 1984-03-24 | Yoshitaka Kuroki | ロ−タリ−ピストンエンジンの潤滑およびシ−リング機構 |
NL8400246A (nl) * | 1984-01-26 | 1985-08-16 | Jeichienus Adriaan Van Der Wer | Torusmotor/pomp. |
CN86209958U (zh) * | 1986-12-04 | 1987-10-31 | 徐声奎 | 旋转活塞式发动机 |
DD276122A1 (de) * | 1988-10-04 | 1990-02-14 | Rohr Und Kaltwalzwerk Karl Mar | Hydraulikmotor |
DE3900375A1 (de) | 1989-01-09 | 1989-07-27 | Georg Prof Dipl Ing Hauck | Schwingkolbenmotor |
DE9103452U1 (de) * | 1991-03-20 | 1991-09-19 | Böhnlein, Horst, 6791 Altenkirchen | Vorrichtung zum Betrieb eines Hydromotors, insbesondere Öldruckmotor |
FR2674571B1 (fr) * | 1991-03-25 | 1993-06-18 | Beux Jean Pierre | Moteur rotatif a chambres toriques variables. |
GB2262965B (en) * | 1991-12-31 | 1995-09-13 | Firooz Farrokhzad | Rotary piston internal combustion engine and compressor |
AU2003255065A1 (en) * | 2002-07-01 | 2004-01-19 | Lude Chang | In-turn rotary piston engine |
CN2773352Y (zh) * | 2005-01-14 | 2006-04-19 | 孙文雨 | 转子式活塞泵 |
-
2007
- 2007-01-02 DE DE102007001021A patent/DE102007001021B4/de not_active Expired - Fee Related
- 2007-12-21 BR BRPI0720869A patent/BRPI0720869B1/pt not_active IP Right Cessation
- 2007-12-21 DE DE502007005384T patent/DE502007005384D1/de active Active
- 2007-12-21 DE DE202007018703U patent/DE202007018703U1/de not_active Expired - Lifetime
- 2007-12-21 JP JP2009544371A patent/JP5140681B2/ja not_active Expired - Fee Related
- 2007-12-21 WO PCT/EP2007/011306 patent/WO2008080574A1/de active Application Filing
- 2007-12-21 AT AT07857029T patent/ATE484679T1/de active
- 2007-12-21 ES ES07857029T patent/ES2353625T3/es active Active
- 2007-12-21 RU RU2009129530/06A patent/RU2426914C2/ru not_active IP Right Cessation
- 2007-12-21 US US12/448,717 patent/US8376725B2/en active Active
- 2007-12-21 PL PL07857029T patent/PL2118490T3/pl unknown
- 2007-12-21 EP EP07857029A patent/EP2118490B1/de active Active
- 2007-12-21 KR KR1020097016186A patent/KR101293702B1/ko active IP Right Grant
- 2007-12-21 CN CN2007800519647A patent/CN101622454B/zh not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO2008080574A1 * |
Also Published As
Publication number | Publication date |
---|---|
ES2353625T3 (es) | 2011-03-03 |
JP5140681B2 (ja) | 2013-02-06 |
US8376725B2 (en) | 2013-02-19 |
ATE484679T1 (de) | 2010-10-15 |
KR101293702B1 (ko) | 2013-08-06 |
DE102007001021A1 (de) | 2008-07-03 |
BRPI0720869B1 (pt) | 2018-11-27 |
DE102007001021B4 (de) | 2010-11-18 |
US20100071545A1 (en) | 2010-03-25 |
RU2009129530A (ru) | 2011-02-10 |
CN101622454A (zh) | 2010-01-06 |
DE202007018703U1 (de) | 2009-02-26 |
PL2118490T3 (pl) | 2011-04-29 |
KR20090106588A (ko) | 2009-10-09 |
BRPI0720869A2 (pt) | 2014-03-04 |
WO2008080574A1 (de) | 2008-07-10 |
JP2010514983A (ja) | 2010-05-06 |
EP2118490B1 (de) | 2010-10-13 |
DE502007005384D1 (de) | 2010-11-25 |
RU2426914C2 (ru) | 2011-08-20 |
CN101622454B (zh) | 2012-01-25 |
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