| Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462) |
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| 09/30/1992 | EP0506189A1 Rotary compressor |
| 09/30/1992 | EP0505795A1 Scroll compressor including compliance mechanism for the orbiting scroll member |
| 09/30/1992 | CN1018468B Dual-vane three-action fluid machinery |
| 09/29/1992 | US5151021 Fluid compressor with adjustable bearing support plate |
| 09/29/1992 | US5151020 Scroll type compressor having gradually thinned wall thickness |
| 09/29/1992 | US5150742 Vapor recovering device for volatile liquid dispensing apparatus |
| 09/23/1992 | CN1064734A Scroll type compressor |
| 09/23/1992 | CN1018374B Fluid compressor |
| 09/16/1992 | EP0503629A1 Scroll type compressor with variable displacement mechanism |
| 09/16/1992 | CA2063148A1 Scroll type compressor with variable displacement mechanism |
| 09/15/1992 | US5147194 Rotary piston machine with a protuberance in the cylinder wall |
| 09/15/1992 | US5147192 Scroll-type fluid compressor with rotation preventing coupling members |
| 09/15/1992 | CA1307403C Rotary displacement compression heat transfer systems incorporating highly fluorinated regrigerant-synthetic oil lubricant compositions |
| 09/09/1992 | EP0502684A1 Rotary positive displacement pump |
| 09/09/1992 | EP0502514A1 Scroll type compressor with improved lubricating arrangement for movable parts thereof |
| 09/09/1992 | EP0502513A1 Scroll type compressor |
| 09/08/1992 | US5145346 Scroll type fluid machinery having a tilt regulating member |
| 09/08/1992 | US5145335 Low-noise vacuum pump |
| 09/08/1992 | US5145327 Variable capacity vane compressor having an improved bearing for a capacity control element |
| 09/02/1992 | WO1992015774A1 Thermodynamic systems including gear type machines for compression or expansion of gases and vapors |
| 09/02/1992 | EP0500597A1 A rotary fluid engine. |
| 09/02/1992 | CN2114714U Fluid pump |
| 09/02/1992 | CN1018124B Rotor balancing |
| 09/02/1992 | CA2105296A1 Thermodynamic systems including gear type machines for compression or expansion of gases and vapors |
| 09/01/1992 | US5142885 Method and apparatus for enhanced scroll stability in a co-rotational scroll |
| 08/25/1992 | US5141423 Axial flow fluid compressor with oil supply passage through rotor |
| 08/25/1992 | US5141422 Scroll-type compressor having cooling and lubrication holes to various mechanisms |
| 08/25/1992 | US5141421 Nested coupling mechanism for scroll machines |
| 08/25/1992 | US5141420 Scroll compressor discharge valve |
| 08/25/1992 | US5141417 Method for dynamically balancing nested coupling mechanisms for scroll machines |
| 08/25/1992 | US5141407 Scroll machine with overheating protection |
| 08/20/1992 | DE4204872A1 Spiral-type compression - has oblong-section outlet passage and joint extending to moving spiral body leading portion |
| 08/20/1992 | CA2060980A1 Scroll type compressor |
| 08/18/1992 | US5139394 Axial flow compressor with insertable bearing mount |
| 08/12/1992 | EP0498165A1 Scroll compressor |
| 08/12/1992 | EP0498164A1 Scroll compressor |
| 08/12/1992 | EP0498163A1 Scroll compressor |
| 08/12/1992 | EP0428729B1 Scroll type fluid handling machine |
| 08/12/1992 | CN1017823B Rotary compressor |
| 08/11/1992 | US5137437 Scroll compressor with improved bearing |
| 08/04/1992 | US5135370 Sliding-vane rotary compressor with front end block and bearing arrangement |
| 08/04/1992 | US5135368 Multiple stage orbiting ring rotary compressor |
| 07/30/1992 | DE4201486A1 Oil-free screw compressor installation - has turbo supercharger which raises atmospheric air pressure prior to compressor entry |
| 07/28/1992 | US5133652 Rotary compressor having an aluminum body cast around a sintered liner |
| 07/28/1992 | US5133651 Scroll compressor with a fluid thrust bearing |
| 07/22/1992 | EP0495744A1 Non-circular orbiting scroll for optimizing axial compliancy |
| 07/22/1992 | EP0495602A1 Axial flow fluid compressor |
| 07/22/1992 | EP0495221A1 Internal combustion engine with air compressor |
| 07/21/1992 | US5131829 Trapped volume vent means for meshing lobes of roots-type supercharger |
| 07/21/1992 | US5131828 Scroll compressor including compliance mechanism for the orbiting scroll member |
| 07/21/1992 | US5131826 Rolling piston rotary machine with vane control |
| 07/15/1992 | EP0494581A2 Rotary piston machine |
| 07/14/1992 | US5129800 Single screw interrupted thread positive displacement mechanism |
| 07/14/1992 | US5129799 Torsional vane spring |
| 07/14/1992 | US5129798 Co-rotational scroll apparatus with improved scroll member biasing |
| 07/14/1992 | US5129791 Variable capacity vane compressor controllable by an external control signal |
| 07/09/1992 | DE4142211A1 Spiral displacement machine - with reinforcements on blade end areas formed as radial widening |
| 07/07/1992 | US5127809 Scroll compressor with reinforcing ribs on the orbiting scroll |
| 07/01/1992 | EP0492759A2 Non-orbiting scroll mounting arrangements for a scroll machine |
| 07/01/1992 | EP0492332A1 Vacuum pump with injection of dry gas |
| 07/01/1992 | CN2108811U Multifunctional series rotary sheet type dual-level vacuum pump |
| 06/30/1992 | US5125810 Scroll compressor with a stationary and orbiting member of different material |
| 06/30/1992 | US5125805 Fluid compressor |
| 06/30/1992 | CA1304260C Scroll fluid device using flexible toothed ring synchronizer |
| 06/25/1992 | DE4140431A1 Displacement machine working on spiral principles - has displacer on drive shaft eccentric union describing eccentric path |
| 06/23/1992 | US5123822 Screw compressor with spacer to prevent movement of volume adjusting valve |
| 06/23/1992 | US5123818 Rolling rotor motor driven scroll compressor |
| 06/17/1992 | CN1062019A Scroll type fluid machinery |
| 06/16/1992 | US5122041 Scroll type fluid displacement apparatus having an axially movable seal plate |
| 06/16/1992 | US5122040 Scroll member and method of forming a scroll member |
| 06/11/1992 | WO1992009807A1 Fluid jetting type screw compressor |
| 06/11/1992 | DE4038704A1 Pump for simultaneous generation of positive and negative pressure - has four rotary pistons on two counter rotating parallel shafts |
| 06/10/1992 | EP0489479A1 Scroll type fluid machinery |
| 06/09/1992 | US5120208 Molecular drag pump with rotors moving in same direction |
| 06/09/1992 | US5120207 Rotary screw compressor with inlet chamber |
| 06/09/1992 | US5120205 Scroll type compressor with improved bearing arrangement for drive shaft |
| 06/03/1992 | EP0488043A1 Capacity volume ratio control for twin screw compressors |
| 06/03/1992 | CN1061647A Scroll type compressor |
| 06/02/1992 | US5118268 Trapped volume vent means with restricted flow passages for meshing lobes of roots-type supercharger |
| 05/27/1992 | CN2105574U Back-flow type miniature self-suction rotary pump |
| 05/27/1992 | CN1061465A Scroll-type compressor |
| 05/26/1992 | US5115788 Supercharging apparatus for internal combustion engine |
| 05/21/1992 | DE4136621A1 Spiral assembly for compressor - has rotors of composite structure with blades of lighter material than disc |
| 05/21/1992 | DE4036698A1 Cooling system for rotary piston pump - uses evaporation of fluid injected int compression chamber |
| 05/21/1992 | DE4036251A1 Cellular pump or compressor - is for vehicle air conditioning and has mechanical pressure device to hold vanes in position |
| 05/20/1992 | EP0486122A1 Scroll type compressor |
| 05/20/1992 | EP0486121A1 Scroll type compressor |
| 05/20/1992 | EP0486120A1 Scroll type compressor |
| 05/20/1992 | CN2104957U Wet-type roots vacuum pump with four spiral lines form |
| 05/19/1992 | US5114322 Scroll-type machine having an inlet port baffle |
| 05/13/1992 | EP0484885A2 Screw type pump |
| 05/13/1992 | EP0484884A2 Method for controlling the supercharge pressure in internal combustion engine |
| 05/13/1992 | CN2104328U No-oil concentric vacuum-pump |
| 05/13/1992 | CN1061079A Oldham coupling for scroll compressor |
| 05/13/1992 | CN1016636B Rotor for rotary screw machine |
| 05/12/1992 | US5112201 Scroll compressor apparatus with separate oil reservoir vessel |
| 05/12/1992 | US5111712 Rolling element radial compliancy mechanism |
| 05/06/1992 | CN2103672U Rotary compressor lubricating system |
| 05/05/1992 | US5110273 Scroll-type fluid machine with an improved journal bearing |
| 05/05/1992 | US5110268 Lubricant supply system of a scroll fluid machine |