| Patents for F01C 20 - Control of, monitoring of, or safety arrangements for, machines or engines (729) |
|---|
| 03/08/1990 | WO1990002248A1 Synchronizing and unloading system for scroll fluid device |
| 03/07/1990 | EP0240491B1 Rotary engine |
| 02/20/1990 | US4902209 Sliding segment rotary fluid power translation device |
| 02/01/1990 | DE3825481A1 Rotationskolbenmaschine Rotary piston engine |
| 01/02/1990 | US4890990 Rotary internal combustion engine with mutually interengaging rotatable elements |
| 10/10/1989 | US4872819 Rotary gerotor hydraulic device with fluid control passageways through the rotor |
| 08/22/1989 | US4858714 Hydrostatic steering device |
| 08/02/1989 | EP0326101A2 Rotary piston machine |
| 07/19/1989 | EP0323979A1 Rotary machine |
| 06/06/1989 | CA1255187A1 Rotary motion fluid apparatus |
| 06/01/1989 | WO1989004912A1 Rotary piston compressed air motor |
| 05/23/1989 | US4831827 Heat transfer systems |
| 04/18/1989 | US4822260 Device for controlling fluid supply to a rotary piston machine |
| 03/14/1989 | US4812111 Variable displacement rotary fluid machine |
| 02/23/1989 | DE3726800A1 Fluegelzellenmaschine Fluegelzellenmaschine |
| 02/08/1989 | CN1030961A Internal-axis rotary-piston machine |
| 01/31/1989 | US4801255 Internal axis single-rotation machine with intermeshing internal and external rotors |
| 01/26/1989 | DE3739982C1 Rotary-piston compressed-air engine |
| 01/19/1989 | DE3721860A1 Rotary piston machine |
| 12/08/1988 | DE3717421A1 Adjusting device for power-regulated or -controlled rotary-piston engines and machines |
| 11/17/1988 | EP0290864A2 Internal axis rotary piston machine |
| 09/20/1988 | US4772186 Automatic fluid torque responsive shut-off mechanism for an air tool |
| 08/24/1988 | EP0279413A2 Motor lubrication with no external case drain |
| 08/09/1988 | US4762479 Motor lubrication with no external case drain |
| 04/28/1988 | DE3636048A1 Device for controlling an internal combustion engine |
| 04/26/1988 | US4740144 Reversible radial vane air motor |
| 04/07/1988 | WO1988002438A1 Rotary machine |
| 03/08/1988 | US4729436 Ball and disc over-speed shut-off mechanism for a rotary pneumatic tool |
| 02/25/1988 | DE3631574C1 Device for controlling a rotary engine |
| 01/05/1988 | US4717320 Gerotor motor balancing plate |
| 01/05/1988 | US4716726 Adjustable rotary vane pump |
| 12/22/1987 | US4714417 Internal axis single-rotation machine with intermeshing internal and external rotors |
| 12/10/1987 | DE3619122A1 Hand machine tool with a compressed air motor |
| 12/09/1987 | EP0248613A2 Heat transfer systems |
| 11/10/1987 | US4705465 Oil-pressure transmission device |
| 10/14/1987 | EP0240491A1 Rotary engine. |
| 10/06/1987 | US4697997 Rotary gerotor hydraulic device with fluid control passageways through the rotor |
| 09/02/1987 | EP0146612A4 Rotary machine. |
| 06/16/1987 | CA1222988A1 Scroll type fluid displacement apparatus |
| 05/19/1987 | US4666383 Rotary machine |
| 04/21/1987 | US4659297 Variable capacity vane motor having rotatable and stationary cam rings |
| 04/09/1987 | WO1987002096A1 Rotary engine |
| 03/24/1987 | US4651621 Control system for an air motor |
| 02/19/1987 | DE3528502A1 Device for controlling a rotary engine |
| 01/27/1987 | US4639202 Gerotor device with dual valving plates |
| 08/14/1986 | WO1986004638A1 Rotary motion fluid apparatus |
| 05/06/1986 | US4586885 Compact high torque hydraulic motors |
| 04/01/1986 | US4579513 Positive displacement screw machine with separation wall attached to slide valve |
| 03/26/1986 | EP0175639A1 Thermodynamic machine |
| 01/15/1986 | EP0167846A1 Internal axis rotary piston machine |
| 12/10/1985 | US4557674 Flow sensing speed control for pressure fluid motor |
| 11/05/1985 | US4551078 Scroll-type fluid displacement apparatus with angular offset varying means |
| 09/10/1985 | US4540343 Spherical gear pump |
| 07/03/1985 | EP0146612A1 Rotary machine |
| 05/14/1985 | US4516919 Capacity control of rotary vane apparatus |
| 05/02/1985 | EP0138889A1 Compact high torque hydraulic motors |
| 02/26/1985 | US4501536 Compact high torque gerotor-type hydraulic motor |
| 12/20/1984 | WO1984004943A1 Rotary machine |
| 10/02/1984 | US4474544 Rotary gerotor hydraulic device with fluid control passageways through the rotor |
| 09/19/1984 | EP0118508A1 Rotary machine |
| 09/18/1984 | US4472119 Capacity control for rotary compressor |
| 09/13/1984 | WO1984003537A1 Compact high torque hydraulic motors |
| 06/27/1984 | EP0111619A1 Spherical gear pump |
| 06/19/1984 | US4455131 Control device in a helical screw rotor machine for regulating the capacity and the built-in volume ratio of the machine |
| 06/12/1984 | US4453868 Air-operated, hydraulically-controlled drillmotor |
| 04/24/1984 | US4444272 Overspeed safety device |
| 04/17/1984 | US4443164 Secondary speed sensor for governed air grinders |
| 03/15/1984 | WO1984000993A1 Rotary machine |
| 03/07/1984 | EP0101758A1 Vane pump or motor |
| 01/17/1984 | US4425883 Intake means for two-rotor type rotary piston engines |
| 01/03/1984 | US4423711 Multiple port intake means for rotary piston engines |
| 11/29/1983 | US4417859 Rotary displacement turbine engine with vacuum relief valve means |
| 11/22/1983 | CA1157439A1 Rotary expansion power unit |
| 11/15/1983 | CA1156990A1 Rotary displacement turbine engine |
| 10/26/1983 | EP0092279A2 Pneumatically controlled air motor, for example, for hoisting implement |
| 09/13/1983 | USRE31379 Combined pressure matching and capacity control slide valve assembly for helical screw rotary machine |
| 06/01/1983 | EP0080443A1 Overspeed safety device |
| 05/25/1983 | EP0022781B1 Gear machine |
| 04/12/1983 | CA1144437A1 Pneumatic tool governor |
| 02/16/1983 | EP0071890A1 Reciprocating or rotary piston engine with variable-volume end compression chamber |
| 01/26/1983 | EP0070617A2 Scroll type fluid displacement apparatus |
| 12/07/1982 | US4362479 Rotary fluid pressure device and lubrication circuit therefor |
| 11/23/1982 | US4359866 Rotatable controller system |
| 11/02/1982 | US4357133 Rotary gerotor hydraulic device with fluid control passageways through the rotor |
| 10/26/1982 | US4355505 Rotatable controller valve |
| 09/29/1982 | EP0061293A1 Rotary fluid pressure device and lubrication circuit therefor |
| 09/14/1982 | US4348865 Helical gear machine with regulated outlet |
| 09/01/1982 | EP0058770A1 Vane motor for clockwise and anticlockwise rotation |
| 08/31/1982 | CA1130844A1 System for cooling motor bearings |
| 08/17/1982 | US4344746 Distributor for the progressive and reversible supply of an air motor, in particular for hand-held dental instruments |
| 08/10/1982 | US4343601 Fluid pressure device and shuttle valve assembly therefor |
| 08/03/1982 | US4342199 Screw compressor slide valve engine RPM tracking system |
| 06/16/1982 | EP0053605A1 Reversible rotary vane vacuum motor |
| 04/21/1982 | EP0049881A1 Scroll type fluid displacement apparatus with compression modifying means |
| 03/09/1982 | US4318334 Torque control for a fluid operated motor |
| 03/09/1982 | CA1119488A1 Vacuum motor |
| 03/04/1982 | WO1982000682A1 Method of making windows in parts of the distributing device of a positive-displacement hydraulic machine |
| 12/23/1981 | EP0042027A1 Soren-rotor expansion engine |
| 12/10/1981 | WO1981003520A1 Reversible rotary vane vacuum motor |
| 11/03/1981 | US4298317 Overspeed safety device |