| Patents for F01C 21 - Component parts, details, or accessories, not provided for in groups (5,689) |
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| 07/22/1997 | US5650684 Rotating body and machines incorporating same |
| 07/15/1997 | US5647728 Liquid ring machine having pivoted outer housing |
| 07/10/1997 | DE19600493A1 Sealing system for effective operation of rotary piston combustion engine |
| 07/03/1997 | DE19605031C1 Slide bearing for lubricated gear pump |
| 07/02/1997 | EP0781924A2 Fixed-displacement vane-type hydraulic machine |
| 07/01/1997 | US5642991 Sliding vane pump with plastic housing |
| 06/26/1997 | WO1997022807A2 Vane pump for conveying viscous substances |
| 06/25/1997 | EP0780576A2 Scroll fluid apparatus |
| 06/25/1997 | CN1152675A Rolling-wheel type expansion machine |
| 06/24/1997 | US5641281 Lubricating means for a gear pump |
| 06/19/1997 | DE19546329A1 Vane cell pump housing |
| 06/17/1997 | US5638600 Method of making an efficiency enhanced fluid pump or compressor |
| 06/12/1997 | WO1997021033A1 Rotary compressor with reduced lubrication sensitivity |
| 06/12/1997 | WO1997021032A1 Vane pump |
| 06/10/1997 | US5637942 Aerodynamic drag reduction arrangement for use with high speed rotating elements |
| 06/05/1997 | WO1997020143A1 Fluid pump with bearing set having lubrication path |
| 06/03/1997 | US5634783 Guided-vane rotary apparatus with improved vane-guiding means |
| 06/03/1997 | US5634781 Scroll-type compressor having bolted housings |
| 05/29/1997 | WO1997019268A1 Vane pump |
| 05/27/1997 | US5632612 Scroll compressor having a tip seal |
| 05/27/1997 | US5632610 Sealed-type scroll compressor with relatively shifted scrolls based on thermal coefficient of expansion |
| 05/21/1997 | EP0774044A1 Rotating apparatus |
| 05/14/1997 | EP0711384B1 Two-stage slide vane vacuum pump |
| 05/07/1997 | EP0771404A1 Refrigeration system and pump therefor |
| 05/02/1997 | EP0770464A1 Composite fiber rotor vane and method for its production |
| 04/23/1997 | EP0769622A1 Vane motor |
| 04/23/1997 | EP0708889B1 Rotary screw compressor |
| 04/22/1997 | US5622483 Motor end cover located resilient mount for a motor pump unit |
| 04/16/1997 | EP0768465A1 Gas compressor |
| 04/16/1997 | EP0767873A1 Fuel conversion device |
| 04/16/1997 | EP0767866A1 Non-contact vane-type fluid displacement machine with consolidated vane guide assembly |
| 04/09/1997 | EP0766777A1 Non-contact rotary vane gas expanding apparatus |
| 04/08/1997 | US5618170 Rotary motor |
| 04/01/1997 | US5616020 Rotary vane pump |
| 04/01/1997 | US5616019 Rolling piston type expansion machine |
| 03/27/1997 | WO1997011277A1 Rotary vane pump |
| 03/26/1997 | EP0722533B1 Rotary univane gas compressor |
| 03/26/1997 | EP0532657B1 Rotary vane machine with simplified anti-friction positive bi-axial vane motion control |
| 03/25/1997 | US5613841 Capacity modulated scroll machine |
| 03/20/1997 | DE19546710A1 Sealing-bolt valve in rotary-piston machine |
| 03/18/1997 | US5611674 Capacity modulated scroll machine |
| 03/11/1997 | US5609479 Forced compression type pump |
| 02/25/1997 | US5605450 Non-contact vane-type fluid displacement machine with multiple discharge valving arrangement |
| 02/25/1997 | US5605448 AC fuel pump |
| 02/20/1997 | WO1997006350A1 Reverse rotation preventing clutch |
| 02/20/1997 | DE19631846A1 Centrifugal flywheel pump with two section |
| 02/20/1997 | DE19529807A1 Double hub flywheel pump |
| 02/20/1997 | DE19529806A1 Flywheel pump with radial rotor slits |
| 02/20/1997 | DE19517879A1 Rotary piston engine with combustion chamber between expander and compressor |
| 02/19/1997 | EP0758716A2 Vane pump |
| 02/13/1997 | WO1997005392A1 Liquid ring machine |
| 02/13/1997 | WO1997005391A1 Calculation and precision processing of cardiocle and expanded cardioid casing curved surfaces for eccentric rotor vane pumps |
| 02/13/1997 | DE19547041C1 Flügelzellenpumpe für das Fördern von Dickstoffen Vane pump for conveying thick materials |
| 02/06/1997 | WO1997004236A1 Oil-sealed vane-type rotary vacuum pump with oil feed |
| 02/06/1997 | WO1997004216A1 Energy transforming machine provided with rotary piston and radially reciprocating vanes |
| 02/06/1997 | WO1997004215A1 Scroll decompression device for cryogenic temperatures |
| 02/04/1997 | US5599176 Threaded-rotor compressor |
| 01/23/1997 | WO1997002406A1 Vane motor with brake |
| 01/23/1997 | DE19526303A1 Ölgedichtete Drehschiebervakuumpumpe mit einer Ölversorgung Oil sealed rotary vane vacuum pump with an oil supply |
| 01/21/1997 | US5595067 Energy pump |
| 01/16/1997 | WO1997001540A1 Integrin receptor antagonists |
| 01/09/1997 | WO1997001038A1 Multistage, screw-spindle compressor |
| 01/09/1997 | WO1997001037A1 Vacuum pump |
| 01/07/1997 | US5591023 Rotary type compressor |
| 01/02/1997 | EP0533957B1 Rotary compressor |
| 01/02/1997 | DE19522557A1 Rotary piston compressor, particularly screw spindle vacuum pump |
| 01/02/1997 | DE19522555A1 Dual-rotor type rotary piston compressor e.g. for vacuum pump |
| 12/27/1996 | WO1996041935A1 Rotary engine |
| 12/18/1996 | EP0748420A1 Rotary screw compressor with thrust balancing means utilizing different pressure levels and a method for operating such a compressor |
| 12/12/1996 | WO1996039571A1 Rotary positive-displacement fluid machine |
| 12/12/1996 | CA2220692A1 Rotary positive-displacement fluid machine |
| 12/05/1996 | WO1996038654A1 Fluid vane motor/pump |
| 12/03/1996 | US5580233 For compressing a fluid |
| 12/03/1996 | US5579733 Rotary engine with abutments |
| 12/03/1996 | CA1338762C Scroll-type fluid apparatus for variable speed operation |
| 11/21/1996 | DE19519085A1 Rotary chamber process generating cyclic vol. changes |
| 11/14/1996 | DE19517541A1 Rotary piston engine using repeated eccentric contact design on chamber=cycled bases |
| 11/13/1996 | EP0742371A2 Liquid ring machine |
| 11/13/1996 | CN1135594A Refrigerating apparatus and lubricating oil composition |
| 11/13/1996 | CN1135579A Liquid-ring type machine |
| 11/12/1996 | US5573389 Scroll compressor having means for biasing an eccentric bearing towards a crank shaft |
| 11/12/1996 | US5572882 Low pressure air cycle cooling device |
| 11/06/1996 | EP0741233A1 Power unit |
| 11/06/1996 | CN1033242C Convolute-hydrodynamic mechanics |
| 11/05/1996 | US5571244 Air bearing rotary engine |
| 11/05/1996 | US5571004 Sliding vane rotor attachment |
| 10/31/1996 | WO1996034180A1 Rotary vane pump |
| 10/31/1996 | CA2225862A1 Rotary vane pump |
| 10/29/1996 | US5569028 Scroll compressor having a compressor housing made up of a cup-like front casing and a cap-like rear casing |
| 10/29/1996 | US5569027 Lobed rotor machine |
| 10/24/1996 | WO1996033339A1 Rotary pump with single resilient vane |
| 10/22/1996 | US5567125 Pump assembly with tubular bypass liner with at least one projection |
| 10/10/1996 | WO1996031700A1 Positive displacement hydraulic machine |
| 10/09/1996 | EP0736692A1 Sealing, bearing support and driving of the rotors of a dry running screw compressor |
| 10/02/1996 | DE19513197A1 Generating cyclic volume changes of rotary chambers |
| 10/01/1996 | US5560741 Non-contact vane-type fluid displacement machine with rotor and vane positioning |
| 09/24/1996 | US5558511 Sliding vane machine having vane guides and inlet opening regulation |
| 09/24/1996 | US5558509 Sliding-blade water jet propulsion apparatus for watercraft |
| 09/24/1996 | US5557845 Method for installing a stationary scroll |
| 09/17/1996 | US5556270 Stabilized alumina and zirconia |