| Patents for F01C 21 - Component parts, details, or accessories, not provided for in groups (5,689) |
|---|
| 11/03/1993 | CN1078022A Rotative compressor with integral blades and rotator |
| 11/02/1993 | US5257919 Dual revolving vane meter-motor-pump |
| 10/28/1993 | DE4213330A1 Noise-damped vane cell pump - uses interconnection channels between pump chambers tuned to interference frequency |
| 10/26/1993 | US5255432 Method for manufacturing a seal between machine parts |
| 10/20/1993 | EP0565741A1 Hydraulic rotary cylinder |
| 10/14/1993 | WO1993020332A1 Scroll machine |
| 10/13/1993 | EP0565232A1 Liquid ring pumps with improved housing shapes |
| 10/12/1993 | US5251596 Two stroke rotary internal combustion engine |
| 10/12/1993 | CA2059598C Method and apparatus for enhanced scroll stability in a co-rotational scroll |
| 10/10/1993 | CA2090184A1 Liquid ring pumps with improved housing shapes |
| 10/07/1993 | DE4310621A1 Rotating piston machine for compression of gaseous mediums - has intake and discharge sockets relatively offset on housing parallel to rotor axis |
| 10/06/1993 | EP0563435A1 Rotary drainage pump lubrication device and separator |
| 10/05/1993 | US5249941 Scroll type fluid machine having intermittent oil feed to working chamber |
| 09/30/1993 | DE4209579A1 Bearing for pump rotor drive shaft - has plastics bearing bush with slightly smaller cross-section than associated surrounding cast recess in metal bearing plate. |
| 09/08/1993 | EP0559582A1 Gear pump for high viscosity materials |
| 09/08/1993 | CN1076010A Convolute-hydrodynamic mechanics |
| 09/07/1993 | US5242285 Cryogenic vane pump |
| 09/07/1993 | CA2089129A1 Gear pump for high viscosity material |
| 09/07/1993 | CA2068640A1 Dual revolving vane meter-motor-pump |
| 09/02/1993 | WO1993017239A1 Windage loss reduction arrangement for scroll fluid device |
| 09/02/1993 | WO1993017221A1 Thermal isolation arrangement for scroll fluid device |
| 09/02/1993 | DE4305289A1 Bearing for high speed shaft in screw compressor - has sets of inclined ball bearings with different contact angles |
| 09/01/1993 | EP0558167A1 Scroll-type fluid machine |
| 08/26/1993 | DE4205116A1 Double-acting pump for fluidic media - has rotor with ribbed cooling surfaces at sides, which cover connected chambers |
| 08/25/1993 | EP0556746A2 Vane type gas compressor |
| 08/19/1993 | WO1993016270A1 Rotary fluid displacement apparatus |
| 08/17/1993 | US5236318 Orbiting rotary compressor with adjustable eccentric |
| 08/17/1993 | US5236315 Hydraulic pump for power-assisted steering system |
| 08/05/1993 | WO1993015319A1 Vane of compressor made of sintered iron alloy |
| 08/04/1993 | EP0553567A1 Rotary pump |
| 08/04/1993 | CN1021747C Scroll type fluid machinery |
| 07/29/1993 | DE4201548A1 Symmetrical compressed air lamellar motor - uses adjuster discs for lamellae to maintain constant torque at low speeds |
| 07/22/1993 | WO1993014300A1 Orientation-independent rotary-piston engine |
| 07/20/1993 | US5228309 Portable self-contained power and cooling system |
| 07/15/1993 | DE4200613A1 Lageunabhaengige rotationskolbenbrennkraftmaschine Lageunabhaengige rotation piston internal combustion engine |
| 07/15/1993 | CA2085695A1 Internally constrained vane compressor |
| 07/13/1993 | US5226802 Variable-displacement vane pump |
| 07/13/1993 | US5226400 Device for conversion of liquid fuel into fuel vapor and microscopic liquid droplets |
| 07/06/1993 | US5224850 Rotary device with vanes composed of vane segments |
| 06/29/1993 | US5223052 Non-electrolytic nickel plating on surface of rotor, heating, second layer of organic resin |
| 06/29/1993 | US5222881 Scroll type compressor having curved surface portions between the shaft and bearing means |
| 06/24/1993 | WO1993012326A1 A balanced oscillating mechanism |
| 06/23/1993 | EP0547254A1 Apparatus for generating an air/oxygen stream in biological purification plants |
| 06/17/1993 | DE4141105A1 Sliding vane pump with impeller eccentric w.r.t.stroke ring - has slots ending in radial spacing in front of central impeller recess |
| 06/17/1993 | DE4140818A1 Pump with two rotary driven displacement bodies in housing - has displacement bodies arranged on parallel running shafts with bearings on both sides. |
| 06/15/1993 | US5218762 Process to manufacture a cylinder for a rotary hermetic compressor |
| 06/09/1993 | EP0545191A1 Scroll-type fluid displacement machine |
| 06/09/1993 | EP0545189A1 Scroll type fluid displacement machine |
| 06/08/1993 | CA1318896C Apparatus for providing vane backpressure in a sliding vane type of compressor |
| 06/06/1993 | WO1993011344A1 Method and apparatus for setting clearance between fluid displacement housing and rotors |
| 06/06/1993 | CA2096022A1 Method and apparatus for setting clearance between fluid displacement housing and rotors |
| 05/27/1993 | WO1993010333A1 Rotary screw machine with thrust balanced bearings |
| 05/25/1993 | US5213491 Tandem pump having a different sized vane for each pump |
| 05/25/1993 | US5213489 Scroll compressor with axial vibration prevention for a shaft bearing |
| 05/25/1993 | US5213479 Liquid ring pumps with improved housing shapes |
| 05/11/1993 | US5209636 Method and apparatus for setting clearance between fluid displacement housing and rotors |
| 05/06/1993 | DE4236721A1 Rotary vane pump for fluid - has compartments connected during compression to underside of next vanes via non-return valves |
| 05/06/1993 | DE4236564A1 Rotary pump with vanes in pairs - has outer contact edge on each vane in plane of surface towards compartment and has passage formed by grooves in faces of vanes |
| 05/05/1993 | CN1020497C Scroll type fluid machinery |
| 04/29/1993 | WO1993008404A1 Inlet control combination for a compressor system |
| 04/29/1993 | WO1993008403A1 Vane pump |
| 04/28/1993 | EP0539188A1 Rotary vane device for hydraulic fluid |
| 04/20/1993 | US5203307 Rotary wankel type engine |
| 04/19/1993 | CA2080629A1 Orbiting rotary compressor with adjustable eccentric |
| 04/13/1993 | US5201647 Rotary hydraulic vane device having a shaf seal |
| 04/06/1993 | US5199863 Sealing of an eccentric bearing of a rotary piston internal combustion engine |
| 04/06/1993 | US5199862 Scroll type fluid machinery with counter weight on drive bushing |
| 03/31/1993 | EP0533957A1 Rotary compressor |
| 03/30/1993 | US5197861 Fluid rotating apparatus |
| 03/18/1993 | WO1993004811A1 Rotor for a screw rotor machine |
| 03/17/1993 | EP0532250A1 Rotary compressor |
| 03/10/1993 | CA2077844A1 Torsional vane spring |
| 03/02/1993 | US5190450 Gear pump for high viscosity materials |
| 02/23/1993 | US5188522 Vane pump with a throttling groove in the rotor |
| 02/23/1993 | US5188520 Scroll type compressor with frames supporting the crankshaft |
| 02/16/1993 | US5186546 Self-aligning bearing and closed-type electrically driven compressor having the same |
| 02/11/1993 | DE4126022A1 Vane cell pump - has curved ring which can hold blades inside rotor under certain operating conditions |
| 01/26/1993 | US5181844 Impregnation of vanes with teflon coatings |
| 01/26/1993 | US5181843 Internally constrained vane compressor |
| 01/26/1993 | US5181490 Rotary engine |
| 01/26/1993 | US5181489 Rotary engine |
| 01/13/1993 | EP0522505A2 Variable-displacement vane pump |
| 01/12/1993 | US5178529 Seal formed of plastic layer having outwardly open depressions |
| 01/07/1993 | DE4219538A1 IC engine oil pump - design allows for drive to be taken from crankshaft, gear or chain wheel |
| 12/22/1992 | US5172593 Volumetric meter for liquids and/or gases |
| 12/22/1992 | CA1311729C Scroll machine with plural pressurized seal enhancing chambers and static vane mounts |
| 12/16/1992 | EP0518356A1 Scroll type fluid machine |
| 12/15/1992 | CA1311454C Fluid displacement apparatus |
| 12/10/1992 | WO1992021867A1 A continuous stroke cycle, rotary engine |
| 12/08/1992 | US5169299 Rotary vane compressor with reduced pressure on the inner vane tips |
| 12/08/1992 | US5169298 Constrained vane compressor with oil skive |
| 12/05/1992 | CA2043855A1 Co-rotor engine with valve system |
| 12/01/1992 | US5167497 Vane control unit for vane pump |
| 11/26/1992 | WO1992020925A1 Multiple flow, liquid ring pump |
| 11/26/1992 | WO1992020923A1 Casing for an eccentric worm-screw pump |
| 11/24/1992 | US5165881 Rotor for a screw rotor machine |
| 11/24/1992 | US5165870 Refrigerant compressor |
| 11/19/1992 | EP0513212A1 Rotary screw machine having thrust balancing means. |
| 11/18/1992 | CN1066318A Combination type rotary blade engine |
| 11/12/1992 | DE4214618A1 Eccentric drive for rotating mass - has levelling element of varying directional flexibility |