| Patents for F01B 13 - Reciprocating-piston machines or engines with rotating cylinders in order to obtain the reciprocating-piston motion (1,025) |
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| 01/25/1989 | EP0300586A1 Swashplate holddown mechanism |
| 01/03/1989 | CA1248029A1 Rotary internal combustion engine |
| 12/27/1988 | US4793239 Fluid handling device |
| 12/01/1988 | DE3810728A1 Rotary piston engine |
| 11/22/1988 | CA1245132A1 Unitary bearing retainer for a swashplate bearing |
| 11/22/1988 | CA1245131A1 Swashplate leveling and holddown device |
| 11/03/1988 | WO1988008483A1 Planetary piston internal combustion engine |
| 11/03/1988 | DE3712992A1 Verbrennungsmotor Combustion engine |
| 10/20/1988 | WO1988008074A1 Internal combustion engine |
| 10/18/1988 | US4777866 Variable displacement radial piston pumps or motors |
| 10/13/1988 | DE3717346A1 Internal-axis rotary engine |
| 09/13/1988 | US4770084 Parallel swash plate type fluid machines |
| 09/06/1988 | US4768422 Pump motor |
| 08/18/1988 | DE3703612A1 High compression internal axis rotary internal combustion engine |
| 07/13/1988 | EP0273956A1 Rotary piston engine |
| 06/15/1988 | EP0271452A1 Rotary engine |
| 05/25/1988 | EP0268084A2 Radial-piston machine |
| 05/19/1988 | WO1988003604A1 Rotary engine |
| 05/03/1988 | CA1236199A1 Power drive unit and control system therefor |
| 04/26/1988 | US4740711 Pipeline built-in electric power generating set |
| 04/19/1988 | US4738185 Swash plate-type pump-motor |
| 03/15/1988 | US4730545 Axial piston machine having a plurality of mechanically actuated rotary valves |
| 03/01/1988 | CA1233419A1 Radial piston engine |
| 02/16/1988 | US4724743 Radial piston machine having piston shoes sealingly contained on the bed of the piston by holding pins |
| 02/03/1988 | CN87104630A Hydraulic energy exchanger |
| 01/28/1988 | WO1988000640A1 Rotary piston engine |
| 01/21/1988 | DE3623490A1 Sealing device for a rotary engine |
| 01/21/1988 | DE3623489A1 Rotating piston machine |
| 01/19/1988 | US4719843 Hydraulic mechanism, engine or pump, provided with rollers mounted on the pistons and with members for holding said rollers in position |
| 01/13/1988 | EP0252715A2 Radial piston fluid pressure pump or motor |
| 12/29/1987 | US4715266 Rotary fluid energy converter |
| 12/17/1987 | DE3619612A1 High compression internal axis rotary internal combustion engine |
| 12/01/1987 | CA1229749A1 Power transforming apparatus |
| 11/25/1987 | EP0246288A1 Four-stroke rotary cylinder motor for spark-ignition engines |
| 11/12/1987 | DE3615886A1 Rotary piston internal combustion engine |
| 08/25/1987 | US4688531 Rotary internal combustion engine |
| 08/25/1987 | US4688471 Fluid pressure device |
| 08/10/1987 | EP0185056A4 Rotary hydraulic engine |
| 08/05/1987 | EP0223788A4 Hydraulic motor. |
| 08/04/1987 | US4683806 Piston guide for hollow piston of a radial piston engine |
| 07/29/1987 | EP0204837A4 Swashplate centring device. |
| 07/28/1987 | CA1224723A1 Rotary engine |
| 07/23/1987 | EP0204835A4 Hydraulic swashplate unit with unitary bearing retainer. |
| 07/21/1987 | CA1224420A1 Rotary engine |
| 06/11/1987 | DE3543616A1 Internal combustion engine with rotary piston |
| 06/11/1987 | DE3539648A1 Ein vier-takt-rotationszylindermotor der otto-brennkraftmaschine A four-stroke-rotation-cylinder engine of the Otto-burning combustion engine |
| 06/03/1987 | EP0223788A1 Hydraulic motor |
| 05/21/1987 | WO1987003041A1 Four-stroke rotary cylinder motor for spark-ignition engines |
| 03/31/1987 | US4653438 Rotary engine |
| 03/26/1987 | WO1987001760A1 Hydraulic displacement unit and method of assembly thereof |
| 03/18/1987 | CN85106653A Rotary piston engine |
| 02/03/1987 | CA1217435A1 Radial piston engines |
| 01/27/1987 | US4639203 Rotary fluid pressure device having free-wheeling capability |
| 01/07/1987 | EP0207687A1 Rotary fluid pressure device having free-wheeling capability |
| 01/07/1987 | CN86103246A 液压马达 Hydraulic motor |
| 12/31/1986 | CN86103611A Rotary fluid pressure device having free-wheeling capability |
| 12/30/1986 | EP0205516A1 Internal combustion engine |
| 12/17/1986 | EP0205368A1 Hydraulic mechanism, engine or pump with rollers mounted on the pistons and with means for keeping these rollers in position |
| 12/17/1986 | EP0204837A1 Swashplate centring device. |
| 12/17/1986 | EP0204835A1 Hydraulic swashplate unit with unitary bearing retainer. |
| 12/09/1986 | US4627330 Unitary bearing retainer for a swashplate bearing |
| 12/09/1986 | US4627329 Power drive unit and control system therefor |
| 11/20/1986 | WO1986006787A1 Hydraulic motor |
| 11/04/1986 | US4620475 Hydraulic displacement unit and method of assembly thereof |
| 09/23/1986 | US4612882 Rotating cylinder internal combustion engine |
| 08/20/1986 | EP0191674A1 Pressurized-fluid mechanism for a rotor |
| 08/06/1986 | EP0190047A2 Rotary piston engine with reciprocating cylinders |
| 07/08/1986 | US4598628 Rotary hydraulic engine having oppositely disposed pistons in a scotch yoke assembly |
| 07/03/1986 | WO1986003805A1 Internal combustion engine |
| 06/25/1986 | EP0185056A1 Rotary hydraulic engine |
| 06/19/1986 | WO1986003548A1 Swashplate leveling & holddown device |
| 06/19/1986 | WO1986003547A1 Unitary bearing retainer for a swashplate bearing |
| 05/20/1986 | US4589328 Rotary piston engine with reciprocating cylinders having sealing and friction reducing members |
| 05/09/1986 | WO1986002698A1 Rotary two-stroke internal combustion engine |
| 05/06/1986 | US4586426 Multi-cylinder piston engine and method of operation thereof |
| 04/29/1986 | US4584926 For a variable displacement hydraulic unit |
| 03/04/1986 | US4573437 Self-propelled vehicle |
| 02/26/1986 | EP0172237A1 Rotary engine |
| 02/13/1986 | WO1986000956A1 Power drive unit and control system therefor |
| 01/10/1986 | CN85100199A Rotary cylinder pendulating disk type engine |
| 01/07/1986 | US4562770 Radial piston motor or pump |
| 12/27/1985 | EP0090814B1 Piston machine with cylindrical working chamber or chambers |
| 12/05/1985 | WO1985005402A1 Rotary hydraulic engine |
| 12/03/1985 | US4555978 Multiple displacement motor driven power drive unit |
| 12/03/1985 | US4555903 Internal combustion turbine engine |
| 11/19/1985 | US4553506 Engine with rotating cylinder wall |
| 10/22/1985 | US4548124 Radial piston hydraulic motor with variable eccentricity |
| 09/12/1985 | WO1985003978A1 Rotary engine |
| 08/28/1985 | EP0152509A1 Radial piston hydraulic motor with variable eccentricity |
| 08/13/1985 | US4534272 Low inertia and low friction rotating cylinder engine |
| 07/30/1985 | US4531481 Rotary cylinder diesel engine |
| 07/23/1985 | US4530316 Rotating cylinder internal combustion engine |
| 06/26/1985 | EP0146300A2 Improvements in radial piston engines |
| 06/04/1985 | US4520632 Method and apparatus for extracting heat and mechanical energy from a pressured gas |
| 04/30/1985 | US4513575 Centrifugal piston expander |
| 04/02/1985 | US4507918 Reciprocating piston compressed fluid engine having radial cylinders and triggerable valves |
| 03/27/1985 | EP0134880A1 Piston machine |
| 03/12/1985 | US4503754 Rotary cylinder engines with pistons having balanced loads |
| 03/05/1985 | CA1183404A1 Arrangement for slipper cavitation erosion control and impact reduction |
| 02/05/1985 | US4497284 Barrel type engine with plural two-cycle cylinders and pressurized induction |