| Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462) |
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| 04/30/1992 | CA2051734A1 Scroll apparatus having a modified tip seal groove |
| 04/29/1992 | EP0482592A1 Compressor capacity control method and apparatus therefor |
| 04/29/1992 | EP0482209A1 Scroll compressor |
| 04/29/1992 | CN1060699A Scroll machine with floating seal |
| 04/28/1992 | US5108274 Scroll-type fluid machine with counter-weight |
| 04/28/1992 | US5108269 Method of controlling a rotary compressor |
| 04/28/1992 | CA1299546C Scroll type fluid displacement apparatus with improved fixed scroll construction |
| 04/28/1992 | CA1299351C2 Scroll-type machine with rotation controlling means and specific wrap shape |
| 04/23/1992 | DE4133367A1 Spiral compressor for supercharging combustion engine - has arrangement for lengthening ends of spiral blades |
| 04/23/1992 | DE4033455A1 Vane type compressor for cooling systems - comprises cast aluminium@ alloy stator ring and radially sliding vanes in polyether-ether ketone with PTFE filler |
| 04/23/1992 | DE4033420A1 Pressure valve for rotary piston compressor - uses valve element sleeve with axial and circumferential grooves |
| 04/22/1992 | CN1060514A Counterweight shield for refrigeration compressor |
| 04/21/1992 | US5106279 Orbiting scroll member assembly |
| 04/21/1992 | US5105634 Scroll apparatus having a modified tip seal groove |
| 04/15/1992 | EP0480629A1 Improvements in mechanical pumps |
| 04/15/1992 | EP0480560A2 Scroll machine with overheating protection |
| 04/15/1992 | EP0480065A1 Scroll compressor |
| 04/15/1992 | CN1016260B Fluid compressor |
| 04/14/1992 | US5104302 Scroll compressor including drive pin and roller assembly having sliding wedge member |
| 04/14/1992 | US5103652 Scroll compressor and scroll-type refrigerator |
| 04/14/1992 | US5103558 Method and apparatus for machining scroll wraps |
| 04/08/1992 | EP0479421A1 Scroll machine with floating seal |
| 04/08/1992 | EP0479413A1 Counterweight shield for refrigeration compressor |
| 04/08/1992 | EP0479412A1 Oldham coupling for scroll compressor |
| 04/08/1992 | EP0478795A1 Scroll compressor |
| 04/07/1992 | US5102318 Compresssor structure with abutment guide blocks |
| 04/07/1992 | US5102317 Two-cylinder-type rotary compressor system having improved suction pipe coupling structure |
| 04/07/1992 | US5102316 Non-orbiting scroll mounting arrangements for a scroll machine |
| 04/07/1992 | US5102315 Orbiting member fluid displacement apparatus with rotation preventing mechanism |
| 04/07/1992 | US5102314 Vane pump for conveying pasty masses, in particular sausage meat |
| 04/07/1992 | US5101644 Co-rotational scroll apparatus with positive lubricant flow |
| 04/01/1992 | EP0478378A2 Check valve for compressor |
| 04/01/1992 | EP0478269A1 Scroll compressor with axially compliant scroll |
| 04/01/1992 | EP0477601A1 Method of making a rotor for a vacuum pump and rotor made according to this method |
| 03/31/1992 | US5100307 Scroll-type fluid machine with a plurality of discharge ports |
| 03/31/1992 | US5099976 Fire extinguishing apparatus for compressors |
| 03/31/1992 | US5099658 Co-rotational scroll apparatus with optimized coupling |
| 03/24/1992 | US5098266 Lubrication of a horizontal rotary compressor |
| 03/24/1992 | US5098265 Oil-free scroll fluid machine with projecting orbiting bearing boss |
| 03/17/1992 | US5096399 Rotor pair for high pressure screw compressor and screw compressor using same |
| 03/17/1992 | US5096387 Vane compressor with means for obtaining sufficient back pressure upon vanes at the start of compressor |
| 03/17/1992 | CA1297460C Compact scroll-type fluid compressor |
| 03/12/1992 | DE4128162A1 Spiral displacement machine or loader - has disc-shaped runner with two blades on each side of runner plate |
| 03/10/1992 | US5094592 Variable capacity vane compressor having a seal protective structure |
| 03/10/1992 | US5094085 Refrigerating cycle apparatus with a compressor having simultaneously driven two compressor means |
| 03/04/1992 | EP0472933A2 Fluid rotating apparatus |
| 03/04/1992 | EP0472751A1 Rotor for a lobe rotor type vacuum pump |
| 03/04/1992 | CN1059190A Scroll-type compressor |
| 03/04/1992 | CN1059189A Compressor |
| 02/26/1992 | EP0472248A1 Scroll-type compressor |
| 02/26/1992 | CN1059017A Scroll-type fluid machinery |
| 02/25/1992 | US5090882 Rotary fluid machine having hollow vanes and refrigeration apparatus incorporating the rotary fluid machine |
| 02/25/1992 | US5090880 Scroll compressor with discharge valves |
| 02/25/1992 | US5090879 Recirculating rotary gas compressor |
| 02/25/1992 | US5090878 Non-circular orbiting scroll for optimizing axial compliancy |
| 02/25/1992 | US5090876 Scroll type fluid handling machine |
| 02/25/1992 | US5090875 Fluid compressor |
| 02/25/1992 | US5090874 Fluid compressor |
| 02/19/1992 | EP0471425A1 Scroll type fluid machinery |
| 02/19/1992 | CN2096658U Vane pump |
| 02/18/1992 | US5088907 Screw rotor for oil flooded screw compressors |
| 02/18/1992 | US5088906 Axially floating scroll member assembly |
| 02/18/1992 | US5088905 Check valve for scroll compressor |
| 02/13/1992 | DE4025406A1 Rotary compressor or IC engine - has housing containing working rotor and synchronous rotor with fixed rotation ratio |
| 02/12/1992 | CN1015487B Harmonic motion wearless eccentric rotor pump |
| 02/12/1992 | CN1015486B Fluid compressor |
| 02/11/1992 | US5087182 Casing construction for screw compression/expansion machines |
| 02/05/1992 | EP0469700A1 Scroll machine lubrication system |
| 02/04/1992 | US5085565 Axially compliant scroll with rotating pressure chambers |
| 02/04/1992 | CA1295303C Compressor with axially balanced shaft |
| 01/29/1992 | EP0468877A1 Apparatus for multiphase pumping or compression and its application |
| 01/29/1992 | EP0468238A1 Scroll type compressor with variable displacement mechanism |
| 01/29/1992 | CN1058257A 齿轮式空气压缩机 Gear-type air compressors |
| 01/28/1992 | US5083907 Roots-type blower with improved inlet |
| 01/22/1992 | EP0467492A1 Compressor |
| 01/22/1992 | EP0467342A1 Scroll type compressor |
| 01/21/1992 | US5082432 Axial sealing mechanism for a scroll type compressor |
| 01/21/1992 | US5082431 Mechanical scavenging system for single screw compressors |
| 01/21/1992 | US5082430 Rotating spiral compressor with reinforced spiral ribs |
| 01/21/1992 | US5082427 Screw compressing apparatus, rotor temperature control apparatus for screw compressing apparatus and operating control apparatus for screw compressing apparatus |
| 01/15/1992 | EP0465807A2 Dry rotary vane compressor |
| 01/15/1992 | EP0465799A2 Rotary compressor for refrigerating gas and related procedure |
| 01/15/1992 | CN2093249U Double magnetic blade gas motor |
| 01/15/1992 | CN1057889A Scroll type fluid machinery |
| 01/15/1992 | CN1015304B Fluid compression engine |
| 01/14/1992 | US5080566 Fluid scroll machine with projection on one side of Oldham ring |
| 01/14/1992 | US5080562 Annular rolling rotor motor compressor with dual wipers |
| 01/08/1992 | EP0464970A1 Scroll type fluid machinery |
| 01/08/1992 | EP0464683A1 Fluid compressor |
| 01/08/1992 | EP0464316A1 Screw compressor |
| 01/08/1992 | EP0464282A2 Scroll compressor discharge valve |
| 01/07/1992 | US5078583 Inlet port opening for a roots-type blower |
| 01/02/1992 | DE4020087A1 Gas compressor, vacuum pump or gas expansion motor - has slide plates which form seal unaffected by centrifugal force |
| 12/31/1991 | US5076772 Slider block radial compliance mechanism with integral deflection bearing |
| 12/31/1991 | US5076771 Scroll type fluid compressor with lubricated spiral seal member |
| 12/31/1991 | US5076768 Rotary piston compressor |
| 12/31/1991 | US5076067 Compressor with liquid injection |
| 12/25/1991 | CN2091368U Hand mini-inflator |
| 12/25/1991 | CN1015193B Compressor for heat pump and method of operating said compressor |
| 12/24/1991 | US5074769 Compressor having an orbital rotor with parallel linkage and spring biased vanes |