| Patents for F03C 1 - Reciprocating-piston liquid engines (2,799) |
|---|
| 07/17/1993 | WO1993014327A1 Piston motor with improved starting characteristics |
| 07/17/1993 | CA2099674A1 Piston motor with improved starting characteristics |
| 07/06/1993 | US5224411 Hydraulic circuit for supplying at least one hydraulic motor incorporating "disengageable" pistons |
| 06/22/1993 | US5220790 Assembly of a pressurized fluid motor with multiple cubic capacities and a brake associated therewith |
| 06/16/1993 | EP0546459A1 Oil pressure switch |
| 06/01/1993 | US5215453 Gear wheel assembly for hydraulic purposes, and method assembling the same |
| 05/26/1993 | EP0542759A1 A multi-chamber rotary lobe fluid machine with positive sliding seals |
| 05/18/1993 | US5211015 Hydraulic circuit for limiting the torque of a hydrostatic hydraulic motor connected in closed circuit to a hydraulic pump |
| 05/11/1993 | US5209155 Radial piston engine |
| 05/11/1993 | US5209064 Device for mutual immobilization of two elements mounted for relative rotation |
| 05/05/1993 | EP0540284A2 Hydraulic piston pump with servo displacement control |
| 05/04/1993 | US5207060 In a four-wheel drive vehicle |
| 04/27/1993 | US5205124 Piston motor with starting charge device |
| 04/20/1993 | US5203251 Motor with spring elements formed on valve assembly |
| 04/14/1993 | EP0536267A1 Adjustable rotor for a radial piston fluid machine |
| 04/13/1993 | US5201637 Hydraulic piston pump with servo displacement control |
| 04/06/1993 | US5199259 Assembly composed of a pressurized fluid mechanism and a disc brake coupled thereto |
| 03/31/1993 | EP0534067A2 Hydrostatic machine with drainage for leaking oil |
| 03/04/1993 | WO1993004281A1 Hydrostatic axial piston motor for fitting in the hub of a driven wheel |
| 02/24/1993 | EP0528718A1 Reciprocating hydraulic motor |
| 02/24/1993 | CN2127326Y Universal-coupling spring combined bit |
| 02/16/1993 | US5186094 Pressurized fluid mechanism comprising at least two distinct operational cylinder capacities |
| 02/03/1993 | EP0526333A1 Pressurised fluid mechanism with equalizing enclosures |
| 02/03/1993 | EP0524922A1 Synchronization mechanism for radial piston machine. |
| 02/02/1993 | US5182978 Bent axis type variable displacement hydraulic machine |
| 02/02/1993 | US5182977 Hydraulic centrifugal piston motor |
| 01/27/1993 | EP0524437A1 Hydraulic piston motor |
| 01/27/1993 | EP0308508B1 Variable-capacity piston machine |
| 01/20/1993 | EP0524104A1 Hydraulic motor with reciprocating differential piston |
| 01/19/1993 | US5179889 Radial piston engine |
| 01/05/1993 | US5176511 Seal structure for a rotating cam pressurized fluid device |
| 12/29/1992 | US5174722 Safety shutdown circuit for pneumatic pump system |
| 12/29/1992 | US5174322 Automatic two-position four-way pulsating valve |
| 12/22/1992 | US5172623 Hydraulic rotary machine with pre-discharge opening for lubrication supply |
| 12/15/1992 | US5171131 Power transmission |
| 12/07/1992 | WO1992021856A1 A multi-chamber rotary lobe fluid machine with positive sliding seals |
| 11/24/1992 | US5165321 Main bearing device for bent axis type axial piston pump/motor |
| 11/19/1992 | EP0513998A1 Power transmission |
| 11/19/1992 | EP0358729B1 Apparatus for mounting tyres |
| 11/15/1992 | CA2066131A1 Power transmission |
| 11/10/1992 | US5161961 Gear pump with counterbalanced radial forces and two piece radial seals |
| 10/28/1992 | EP0428574B1 Hydraulic axial-piston engine |
| 10/16/1992 | CA2062252A1 Gear wheel assembly for hydraulic purposes, and method assembling the same |
| 10/07/1992 | EP0507071A1 Compression spring fluid motor |
| 09/29/1992 | US5150643 Reciprocating actuator |
| 09/23/1992 | CN1018377B Apparatus for controlling volume of pumps or motor |
| 09/17/1992 | DE4107821A1 Hydraulic servo machine for IC engine or electric motor - has reciprocating pistons displaced hydraulically and delivering rotary movement for drive |
| 09/16/1992 | CN1018277B Hydraulic motor with constant-stress rolling track and radial spherical pistons |
| 08/26/1992 | CN1063925A Waterflow-guiding motive power generator |
| 08/19/1992 | CN1063741A Radial piston engine |
| 08/18/1992 | US5138932 Pump/motor control mechanism |
| 08/11/1992 | US5137435 Compression spring fluid motor |
| 08/11/1992 | US5136932 Radial piston hydraulic motor of variable cylinder capacity |
| 08/11/1992 | US5136931 Rotary type fluid energy convertor |
| 07/28/1992 | US5133244 Radial piston hydraulic motor of variable cylinder capacity |
| 07/21/1992 | US5131826 Rolling piston rotary machine with vane control |
| 07/14/1992 | CA1304985C Rotary piston and barrel machine with fixed centering toggle type joint |
| 07/08/1992 | CN1017367B Positive displacement pump or motor utilizing self-lubricated bearing |
| 06/29/1992 | CA2033402A1 Power generating apparatus for converting a potential energy to a power output |
| 06/25/1992 | WO1992010677A1 A radial piston motor or pump |
| 06/25/1992 | WO1992010676A1 A radial piston motor or pump |
| 06/25/1992 | CA2098103A1 Radial piston motor or pump |
| 06/24/1992 | EP0491398A1 Radial piston engine |
| 06/20/1992 | CA2057933A1 Radial piston engine |
| 06/11/1992 | CA2098104A1 Radial piston motor or pump |
| 06/02/1992 | US5117634 Apparatus for controlling the operation of hydraulic motors |
| 05/29/1992 | WO1992008892A1 A method in a radial piston eccentric motor/pump and a corresponding radial piston eccentric motor/pump |
| 05/27/1992 | EP0487393A1 Pressurised fluid mechanism of the rotary cam type |
| 05/26/1992 | US5115890 Pressure fluid mechanism such as a motor or a pump coupled to a braking device |
| 05/14/1992 | WO1992008049A1 Two speed gerotor motor with centrally located valve and commutator |
| 05/06/1992 | EP0484307A1 A valve assembly |
| 04/28/1992 | US5107718 Combined hydraulic motor and speed reducer |
| 04/28/1992 | CA1299466C Mixed-phase motor |
| 03/10/1992 | US5094144 Bent axis type variable displacement hydraulic machine |
| 02/25/1992 | US5090295 Radial piston engine |
| 02/04/1992 | US5085128 Variable displacement bent axis type hydraulic machine |
| 01/29/1992 | EP0468944A1 An arrangement for controlling hydraulic motors |
| 01/15/1992 | EP0466561A1 Hydraulic machine with rotating cylinder block |
| 01/14/1992 | US5079994 Radial piston machine |
| 01/07/1992 | CA1293957C Portable fluid pumping device |
| 12/30/1991 | WO1992000455A1 Radial piston fluid machine and/or adjustable rotor |
| 12/17/1991 | US5073097 Multi-chamber rotary lobe fluid machine with positive sliding seats |
| 12/12/1991 | DE4040304C1 Radial piston, hollow shaft motor - has grooves in radial pistons coupled by transverse bores to each radial piston bore |
| 12/10/1991 | US5071327 Two speed gerotor motor with centrally located valve and commutator |
| 11/28/1991 | WO1991018204A1 Hydraulic drive device |
| 11/19/1991 | US5065577 Hydromechanical displacement control for a power drive unit |
| 11/14/1991 | DE4114846A1 Radial piston hydraulic motor - has supply of pressure medium controlled by groove in motor shaft |
| 11/14/1991 | DE4015308A1 Oscillating hydraulic drive - has two pumps driven from common electric motor |
| 11/14/1991 | DE4015101A1 Hydraulische antriebsvorrichtung Hydraulic drive device |
| 11/05/1991 | US5062265 Hydromechanical control of differential pressure across a variable displacement hydraulic motor |
| 10/31/1991 | WO1991016540A1 Synchronization mechanism |
| 10/09/1991 | EP0450586A1 Rotary type fluid energy converter |
| 10/09/1991 | CN2086317U Hydraulic gearing with machinery brake characteristic |
| 09/17/1991 | US5049039 Radial piston and cylinder compressed gas motor |
| 09/11/1991 | EP0445702A1 Variable displacement bent axis type hydraulic machine |
| 09/11/1991 | EP0445584A1 Planetary gear pump or motor and process for radial force compensation |
| 09/04/1991 | CN1054297A Balanced planetary gear pump |
| 08/22/1991 | DE4004932A1 Radial fluid pressure motor - has cam and roller operated pistons with piston ring at piston base carrying turning moment |
| 08/20/1991 | US5040451 Radial piston pump or motor having pressure zones on the control tap for balancing the pump body |
| 06/18/1991 | US5024590 Rotary engine of the type having a planetary rotor with rotor and shaft equal rotation |