| Patents for F01B 3 - Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis (2,319) |
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| 08/01/1989 | US4852418 Nutating drive |
| 07/25/1989 | US4850907 Air motor systems for small boats |
| 07/20/1989 | DE3800031A1 Axial piston machine developing torque on the cam plate |
| 06/14/1989 | EP0320171A1 Power transmission apparatus |
| 06/06/1989 | US4836090 Balanced variable stroke axial piston machine |
| 05/30/1989 | US4834033 Apparatus and method for a balanced internal combustion engine coupled to a drive shaft |
| 05/09/1989 | US4828179 Rotating spray apparatus |
| 05/03/1989 | EP0314604A2 Internal combustion engine with two reciprocating rotating pistons |
| 04/26/1989 | EP0214255B1 Internal combustion engine |
| 04/26/1989 | EP0204835B1 Hydraulic swashplate unit with unitary bearing retainer |
| 04/26/1989 | EP0165988B1 Power drive unit |
| 04/26/1989 | EP0078848B1 Mechanical arrangements for stirling-cycle, reciprocating, thermal machines |
| 04/11/1989 | US4820480 Flexible conformable vanes made of carbonaceous materials |
| 04/05/1989 | EP0309762A2 Adjustable axial piston machine with a swash plate |
| 04/05/1989 | EP0309728A2 Piston for axial-piston engines |
| 04/05/1989 | CN1032222A Rotary piston and barrel machine with fixed centering toggle type joint |
| 03/28/1989 | US4815358 Balanced variable stroke axial piston machine |
| 03/28/1989 | US4815327 Rotary barrel machine with pistons and fixed centering pivot |
| 03/07/1989 | US4809503 Solid fuel bar combustion device and a compressor |
| 02/21/1989 | US4805516 Axial air motor |
| 02/08/1989 | EP0302786A1 Rotating machine with pistons and barrel with a fixed centering toggle type joint |
| 02/08/1989 | EP0302208A2 Axial piston machine with different angular partitions for the pistons, and/or piston-bores |
| 02/08/1989 | EP0239581B1 Hydraulic displacement unit and method of assembly thereof |
| 02/07/1989 | US4802402 Cylinder having an internally-disposed drain valve |
| 02/02/1989 | DE3733625A1 Axial piston machine |
| 02/01/1989 | EP0301230A2 Axial or radial piston machine with a valve arrangement comprising a valve ring |
| 02/01/1989 | EP0301229A2 Axial piston machine with a swash-plate with radial bearings |
| 01/31/1989 | US4801095 Fuel injection nozzle for internal combustion engines |
| 01/25/1989 | EP0300586A1 Swashplate holddown mechanism |
| 01/25/1989 | EP0299957A1 Internal combustion engine with opposed pistons |
| 01/24/1989 | US4799421 Hydrodynamic spiral-grooved journal bearing for electromagnetically rotated and reciprocated compressor piston |
| 12/14/1988 | EP0294739A2 Axial piston machine with rotating cylinder block and control unit |
| 11/22/1988 | CA1245132A1 Unitary bearing retainer for a swashplate bearing |
| 11/22/1988 | CA1245131A1 Swashplate leveling and holddown device |
| 11/09/1988 | CN88102679A Power transmission |
| 11/03/1988 | DE3712810A1 Constant-velocity swivel joint and use of the same |
| 11/02/1988 | EP0288854A2 Rotary hydraulic machine |
| 10/26/1988 | EP0288440A1 Rotary axial piston internal combustion engine |
| 10/25/1988 | US4779579 Rotary engine |
| 10/20/1988 | DE3711205A1 Axial opposed piston type internal combustion engine |
| 10/11/1988 | US4776257 Axial pump engine |
| 09/20/1988 | US4771677 Axial piston machine |
| 09/14/1988 | CN87106712A Ratio valve to control unloading of modulating relief valve |
| 08/31/1988 | EP0280532A2 Power transfer apparatus |
| 08/23/1988 | US4765194 Piston-operated machine |
| 08/17/1988 | EP0078850B1 Heat transfer components for stirling-cycle, reciprocating, thermal machines |
| 08/16/1988 | US4763751 Electrohydraulic motor transmission vehicle drive system |
| 08/16/1988 | US4763563 Swash plate utilized for swash plate type compressor |
| 08/16/1988 | US4763472 Power transfer unit |
| 08/11/1988 | WO1988005858A1 Internal combustion engine with opposed pistons |
| 08/02/1988 | US4760701 External combustion rotary engine |
| 07/28/1988 | WO1988005495A1 Axial engine |
| 07/28/1988 | DE3800006A1 Cooling and lubrication circuit of an axial engine |
| 07/28/1988 | DE3800002A1 Crankshaft of an axial motor |
| 07/19/1988 | US4757743 Rotary hydraulic machine |
| 07/14/1988 | WO1988005124A1 Cooling and lubricating circuit of an axial engine |
| 07/14/1988 | DE3700005A1 Piston mechanics and kinematics of an axial engine |
| 06/30/1988 | DE3644052A1 Adjustable axial piston machine |
| 06/30/1988 | DE3644051A1 Adjustable drive flange axial piston machine |
| 06/30/1988 | DE3642203A1 Adjustable axial-piston engine of swash plate construction |
| 06/21/1988 | US4751866 Ratio valve to control unloading of modulating relief valve |
| 05/31/1988 | CA1237294A1 Wobble plate engine stabiliser mechanism |
| 05/17/1988 | US4744288 Axial piston pumps and motors |
| 05/17/1988 | CA1236757A1 Thin valve plate for a hydraulic unit |
| 05/03/1988 | US4741251 Swashplate assembly for a swashplate type hydraulic pressure device |
| 05/03/1988 | CA1236199A1 Power drive unit and control system therefor |
| 04/26/1988 | CA1235664A1 Piston-operated machine |
| 04/12/1988 | CA1235022A1 Slanted plate mechanism, especially for functional control of a pump |
| 04/07/1988 | WO1988002449A1 Ratio valve to control unloading of modulating relief valve |
| 03/10/1988 | DE3630551A1 Bearing of axial piston machines |
| 03/01/1988 | US4727761 Wobble plate engine stabilizer mechanism |
| 02/25/1988 | DE3628442A1 Axial piston machine |
| 02/25/1988 | DE3627698A1 Axial piston unit |
| 02/11/1988 | DE3625429A1 Axial piston machine in the form of a driving flange |
| 02/09/1988 | US4723477 Control body arrangement for pumps, motors or engines |
| 12/30/1987 | WO1987007927A1 Fluid transmission |
| 12/03/1987 | WO1987007327A1 A piston motor with parallel cylinders arranged around the driving shaft |
| 12/01/1987 | US4710107 Swashblock lubrication in axial piston fluid displacement devices |
| 11/26/1987 | DE3617365A1 Method and device for driving a shaft |
| 11/03/1987 | US4703682 Varible displacement piston pump or motor |
| 10/27/1987 | US4702205 External combustion vane engine with conformable vanes |
| 10/21/1987 | EP0241898A2 Swashblock lubrication in axial piston fluid displacement devices |
| 10/13/1987 | CA1228029A1 Internal combustion engine |
| 10/08/1987 | WO1987005964A1 Rotating and alternating piston machine |
| 10/07/1987 | EP0240467A1 Rotating-reciprocating machine |
| 09/30/1987 | EP0239417A2 Wobble plate engine stabiliser mechanism |
| 09/01/1987 | US4690036 Axial piston pump or motor with multi position swash plate |
| 08/26/1987 | EP0233484A2 Axial piston machine |
| 08/26/1987 | EP0233190A1 Fuel injection nozzle for internal combustion engines. |
| 08/25/1987 | US4688439 Wabble plate engine mechansim |
| 08/19/1987 | CN86100674A High efficient, high pressure pnematic engine |
| 08/05/1987 | EP0188462A4 A piston-operated machine. |
| 08/04/1987 | US4683804 Swash plate type compressor shoe |
| 07/30/1987 | DE3602651A1 Hollow piston for an axial piston machine and method for its manufacture |
| 07/29/1987 | EP0204837A4 Swashplate centring device. |
| 07/23/1987 | EP0204835A4 Hydraulic swashplate unit with unitary bearing retainer. |
| 07/08/1987 | EP0227649A1 Multi-cylinder two-cycle wobble plate engine |
| 07/02/1987 | WO1987003926A1 Piston for axial piston machine |
| 07/02/1987 | DE3545137A1 Kolben fuer axialkolbenmaschine Piston for axial piston |
| 06/18/1987 | WO1987003644A1 A device for energy transfer |