| Patents for F01C 21 - Component parts, details, or accessories, not provided for in groups (5,689) |
|---|
| 04/18/1989 | US4822265 Pump rotor |
| 04/18/1989 | US4822263 Sliding-vane rotary compressor |
| 04/18/1989 | US4822260 Device for controlling fluid supply to a rotary piston machine |
| 04/13/1989 | DE3832042A1 Vane-cell pump |
| 04/11/1989 | US4820140 Self-lubricating rotary vane pump |
| 04/05/1989 | EP0310292A2 Bearing bush for a gear pump |
| 04/04/1989 | US4818198 Scroll fluid machine with oil feed passages |
| 04/04/1989 | US4817213 Method for forming a torus and a piston made therefrom for use in a rotary actuator |
| 03/29/1989 | EP0309008A1 Rotary engine cooling system |
| 03/28/1989 | US4815953 Seizure-free vane rotary compressor with vanes, rotor and side blocks made of Si-Al alloy material |
| 03/28/1989 | US4815195 Method of combining plurality of parts and structure of plurality of parts combined by same |
| 03/23/1989 | WO1989002533A2 Rotary hydraulic machines |
| 03/14/1989 | US4812111 Variable displacement rotary fluid machine |
| 03/08/1989 | EP0305618A1 Orbital pump |
| 03/07/1989 | US4810177 Vane compressor with vane back pressure adjustment |
| 03/07/1989 | US4810176 Anti-rotation mechanism for use with orbiting scroll member of scroll compressor |
| 03/01/1989 | CN1031406A 旋转发动机 Rotary engine |
| 02/15/1989 | EP0303553A2 Hybrid composite compressor |
| 02/14/1989 | US4804317 Rotary vane pump with floating rotor side plates |
| 02/08/1989 | EP0302676A2 Rotor vanes |
| 02/07/1989 | US4802831 Fluid machine with resin-coated scroll members |
| 02/07/1989 | US4802830 Vane compressor without occurrence of vane chattering |
| 02/02/1989 | DE3821125A1 Drive arrangement |
| 02/02/1989 | DE3815791A1 Improvement of the vane-cells principle |
| 01/31/1989 | US4801254 Cooling system for a rotary piston internal combustion engine |
| 01/26/1989 | DE3739982C1 Rotary-piston compressed-air engine |
| 01/24/1989 | US4799867 Vane pump with brittle vanes and rough finished housing surface |
| 01/19/1989 | DE3821124A1 Drive shaft arrangement |
| 01/19/1989 | DE3722660A1 Rotary piston pump for highly viscous liquids |
| 01/18/1989 | EP0299854A1 Sliding bearing with two concentric bearing surfaces |
| 01/12/1989 | DE3721979A1 Rotating piston machine |
| 01/03/1989 | US4795326 Rotary piston machine having inner and outer rotors and a reinforcing belt |
| 01/03/1989 | US4795325 Compressor of rotary vane type |
| 01/03/1989 | US4795324 Scroll-type fluid transferring machine with deformable thrust bearing |
| 01/03/1989 | CA1248029A1 Rotary internal combustion engine |
| 12/27/1988 | US4793780 Rolling piston type rotary machine with discharge passage in vane |
| 12/27/1988 | US4793778 Eccentric shaft of a rotary piston internal combustion engine |
| 12/20/1988 | US4792295 Variable volume rotary vane pump-motor units |
| 12/13/1988 | US4790733 Rotary cylinder configuration and method to control slot dimensions during direct weld attachment to the shell |
| 12/13/1988 | CA1246509A1 Main bearing for a rotary compressor |
| 12/08/1988 | DE3717421A1 Adjusting device for power-regulated or -controlled rotary-piston engines and machines |
| 12/06/1988 | US4789316 Gear lubrication pump for an air motor |
| 12/06/1988 | US4789145 Vane spring for air motor |
| 11/30/1988 | EP0292933A2 Lubrication system for the excentric bearing of a rotary-piston internal combustion engine |
| 11/29/1988 | CA1245607A1 Screw compressor bearing arrangement with positive stop accommodate thrust reverse |
| 11/17/1988 | EP0290664A1 Two-shaft pump |
| 11/09/1988 | EP0289561A1 Rotary piston unit |
| 11/08/1988 | US4782656 Rotary valve assembly for engine |
| 11/08/1988 | US4782569 Method for manufacturing a rolling piston rotary compressor |
| 11/03/1988 | DE3804338A1 Pneumatische fluegelzellenmaschine Pneumatic fluegelzellenmaschine |
| 11/01/1988 | US4782258 Hybrid electro-pneumatic robot joint actuator |
| 11/01/1988 | CA1243898A1 Vane slots for a fluid power converter |
| 10/25/1988 | US4779578 Fluid-cooled housing of a rotary piston internal combustion engine |
| 10/18/1988 | US4778362 Outer envelope trochoidal rotary device having a two piece rotor assembly |
| 10/11/1988 | US4776777 Rolling cylinder engine system |
| 10/11/1988 | US4776074 Rotary slide vane compressor |
| 10/06/1988 | DE3709901A1 Internal axis rotary piston machine, especially supercharger |
| 10/05/1988 | CN88102057A Scroll type compressor |
| 10/04/1988 | US4774918 Engine lubricating system |
| 09/21/1988 | EP0283045A2 Scroll type compressor |
| 09/20/1988 | US4772192 Vane-type compressor |
| 09/20/1988 | US4772186 Automatic fluid torque responsive shut-off mechanism for an air tool |
| 09/14/1988 | EP0281654A1 Two-shaft machine |
| 09/13/1988 | US4770612 Steering power-assistance arrangement |
| 08/30/1988 | US4767295 Deactivating rotor vane kick-out mechanism |
| 08/30/1988 | US4767293 Scroll-type machine with axially compliant mounting |
| 08/25/1988 | WO1988006247A1 A rotary machine equipped with a thrust balancing arrangement |
| 08/24/1988 | EP0279413A2 Motor lubrication with no external case drain |
| 08/11/1988 | DE3801306A1 Vane-cell compressor |
| 08/10/1988 | EP0277548A1 Rotating piston engine |
| 08/09/1988 | US4762479 Motor lubrication with no external case drain |
| 08/04/1988 | DE3738484A1 Fluegelzellenpumpe Fluegelzellenpumpe |
| 08/02/1988 | US4761123 Lubrication arrangement, in an air compressor |
| 08/02/1988 | US4761122 Scroll-type fluid transferring machine with slanted thrust bearing |
| 07/26/1988 | US4759325 Rotary engine cooling system |
| 07/26/1988 | US4759324 Intake system for rotary piston engine |
| 07/20/1988 | EP0274651A2 Rotary-piston machine |
| 07/19/1988 | US4758139 Side housing for a rotary piston engine and a method for manufacturing the same |
| 07/06/1988 | EP0273653A2 Rotary engine |
| 07/06/1988 | EP0273386A2 Electric fuel pump |
| 07/05/1988 | US4755116 Rotor housing for a rotary piston engine having softened areas surrounding the plug holes |
| 06/28/1988 | US4753584 Single-rotation machine having internal and external rotors with axial cooling ducts for the external rotor |
| 06/28/1988 | US4753582 Scroll compressor with control of distance between driving and driven scroll axes |
| 06/28/1988 | CA1238618A1 Vane pump |
| 06/23/1988 | DE3738943A1 Fluegelzellenpumpe Fluegelzellenpumpe |
| 06/16/1988 | DE3738257A1 Fluegelzellenpumpe Fluegelzellenpumpe |
| 06/15/1988 | EP0270917A2 Spring elastic eccenter bearing for a displacement machine |
| 06/15/1988 | EP0270583A1 Rotary piston machine |
| 06/15/1988 | CN87107847A Device for measuring, pumping, suction or compression of liquids or liquefied gases |
| 06/07/1988 | US4749344 Oil feeding device for scroll fluid apparatus |
| 06/07/1988 | CA1237602A1 Rolling rotor volumetric motor |
| 06/01/1988 | EP0269474A1 Hydrostatic component with axially movable vanes and axial pressing |
| 06/01/1988 | EP0269165A2 Liquid flow meter |
| 05/31/1988 | US4747763 Rotor assembly of roots pump |
| 05/31/1988 | US4747762 Fluid machine |
| 05/24/1988 | US4746280 Sliding vane pump |
| 05/19/1988 | WO1988003601A1 Rotary piston unit |
| 05/19/1988 | DE3638848A1 Unit for the delivery of fuel from a tank to the internal combustion engine, especially of a motor vehicle |
| 05/18/1988 | EP0267559A1 Rotary piston blower |
| 05/17/1988 | US4744738 Gear pump or motor with hard layer in interior casing surface |