| Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462) |
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| 02/07/2001 | CN1061742C Fluid mechanism |
| 02/06/2001 | US6183228 Displacement type fluid machine |
| 02/06/2001 | CA2212942C Gas actuated slide valve in a screw compressor |
| 02/01/2001 | DE10031183A1 Spiralkompressor Scroll compressor |
| 01/31/2001 | EP1072796A2 Screw-type compressor |
| 01/31/2001 | EP1034374A4 Rotary piston pump and method of operation |
| 01/31/2001 | EP0828941B1 Variable-displacement screw-type compressor |
| 01/31/2001 | CN1281951A Vortexing fluid machinery |
| 01/31/2001 | CN1281950A Positive displacement fluid machinery |
| 01/30/2001 | US6179593 Displacement fluid machine |
| 01/30/2001 | US6179591 Conical hub bearing for scroll machine |
| 01/30/2001 | US6179590 Scroll fluid apparatus having axial adjustment mechanisms for the scrolls |
| 01/30/2001 | US6179589 Scroll machine with discus discharge valve |
| 01/30/2001 | US6179588 Check valve device for a scroll machine |
| 01/25/2001 | WO2001006094A1 Rotary piston engine/positive displacement apparatus |
| 01/25/2001 | WO2001006093A1 Rotary piston engine |
| 01/24/2001 | EP1070848A1 Positive displacement machine for compressible fluids |
| 01/24/2001 | CN1061132C Vortex compressor |
| 01/24/2001 | CN1061130C Scroll compressor and method of processing scroll member |
| 01/23/2001 | US6176694 Double screw rotor assembly |
| 01/23/2001 | US6176693 Volumetric blower with covers having a duct for connection to the delivery manifold |
| 01/23/2001 | US6176687 Resonator for rotary compressor |
| 01/23/2001 | US6176686 Scroll machine with capacity modulation |
| 01/23/2001 | US6176685 Scroll compressor in which communication is controlled between adjacent compression spaces |
| 01/17/2001 | EP1068454A1 Screw rotor compressor having a movable wall portion |
| 01/17/2001 | CN1280251A Silencer for scroll compressor exhaust gas |
| 01/16/2001 | US6174150 Scroll compressor |
| 01/16/2001 | US6174149 Scroll compressor with captured counterweight |
| 01/16/2001 | US6174137 Compressor having load control |
| 01/11/2001 | WO2001002731A1 Delivery valve for scroll-type compressor |
| 01/10/2001 | EP1067342A2 Expander-compressor as two-phase flow throttle valve replacement |
| 01/10/2001 | EP1067341A2 Apparatus having a refrigeration circuit |
| 01/10/2001 | EP1067289A2 Scroll compressor discharge muffler |
| 01/10/2001 | EP1066900A2 Method and apparatus for machining bearing housing |
| 01/10/2001 | CN1279386A Refrigerant compressor and refrigerator equipped therewith |
| 01/10/2001 | CN1279357A Multi-cylinder rotary compressor |
| 01/10/2001 | CN1279356A Closed rotary compressor |
| 01/09/2001 | US6171087 Compressor and its assembling method |
| 01/09/2001 | US6171086 Scroll compressor with pressure equalization groove |
| 01/09/2001 | US6171085 Compressor having a front casing and a rear cover |
| 01/09/2001 | US6171076 Hermetic compressor assembly having a suction chamber and twin axially disposed discharge chambers |
| 01/09/2001 | US6171064 Reverse rotation detection for scroll compressor utilizing suction temperature |
| 01/04/2001 | WO2001000993A1 Gas rotary screw compressor |
| 01/04/2001 | DE10027009A1 Kompressor des Spiraltyps Scroll-type compressor |
| 01/03/2001 | EP1065377A2 Hermetic compressor |
| 01/03/2001 | EP1065376A2 Hermetic compressor |
| 01/03/2001 | CN1278892A Hermetic scroll compressor |
| 01/03/2001 | CN1278889A Scroll-type fluid displacement device having flow diverter, multiple tip seal and semi-radial compliant mechanism |
| 01/02/2001 | US6168405 Wankel type pump for transporting fluid with entrained particulate matter |
| 01/02/2001 | US6168402 Scroll-type compressor having power transmission mechanism allowing idling |
| 01/02/2001 | US6167771 Clearance distribution to reduce the leakage area |
| 01/02/2001 | US6167719 Compressor for refrigeration cycle |
| 12/28/2000 | DE19927383A1 Luftverflüssigungsmaschine Air liquefaction machine |
| 12/27/2000 | EP1063429A1 A complex teeth-type gas compressor |
| 12/27/2000 | CN1059953C Scroll compressor with driver |
| 12/26/2000 | US6164945 Vacuum pump rotor and method of manufacturing the same |
| 12/26/2000 | US6164941 Displacement type fluid machine having an orbiting displacer forming a plurality of spaces |
| 12/26/2000 | US6164940 Scroll type compressor in which a soft starting mechanism is improved with a simple structure |
| 12/21/2000 | WO2000077419A1 A gear and a fluid machine with a pair of gears |
| 12/21/2000 | WO2000077404A1 Air liquefaction machine |
| 12/21/2000 | DE19927531A1 Rotary pump for use in e.g. a printing press has two meshing four-lobed rotors which do not contact the inner surface of the rotor chamber |
| 12/20/2000 | EP1061260A1 Positive displacement machine for compressible fluids |
| 12/20/2000 | EP1061259A2 Screw compressor |
| 12/20/2000 | EP1060335A1 Scroll compressor with combined pressure ratio and pressure differential relief valve |
| 12/20/2000 | CN1277327A Rotary compressor |
| 12/20/2000 | CN1277326A Gear and fluid machine with gear pair |
| 12/20/2000 | CN1277325A Fluid pump with rotating-vane rotor |
| 12/19/2000 | US6162035 Helical-blade fluid machine |
| 12/14/2000 | WO2000075517A1 A rotary pump |
| 12/14/2000 | WO2000046502A3 Coalescing device and method for removing particles from a rotary gas compressor |
| 12/13/2000 | EP1059454A1 Rotary piston compressor with axial flow |
| 12/13/2000 | EP1059453A1 Scroll compressor |
| 12/13/2000 | EP1059452A1 Thrust ball bearing and open-type scroll compressor |
| 12/13/2000 | EP1059451A2 Scroll compressor |
| 12/13/2000 | EP1059450A2 Scroll compressor |
| 12/13/2000 | EP1059449A1 Scroll compressor |
| 12/13/2000 | EP1059448A2 Scroll compressor |
| 12/13/2000 | EP1059447A1 Scroll compressor |
| 12/13/2000 | CN2410447Y Vane type air compressor |
| 12/13/2000 | CN1276488A Open compressor |
| 12/13/2000 | CN1276486A Turbine-type vacuumizing pump |
| 12/13/2000 | CN1276485A Thrust ball bearing and open swirl compressor |
| 12/13/2000 | CN1276484A Swirl compressor |
| 12/13/2000 | CN1276483A Swirl compressor |
| 12/13/2000 | CN1276482A Swirl compressor with swirl end plate having thickness of more than height of its screw thread |
| 12/13/2000 | CN1276481A Swirl compressor capable of introducing high-pressure fluid into thrust face |
| 12/13/2000 | CN1276480A Swirl compressor with discharge port and discharge valve on fixed swirl end plate |
| 12/12/2000 | US6158991 Scroll-type fluid machine in which a movable scroll member is elastically urged towards a fixed scroll member |
| 12/12/2000 | US6158990 Scroll member for a scroll type of fluid machinery and scroll type of fluid machinery produced thereby |
| 12/12/2000 | US6158989 Scroll compressor with integral outer housing and fixed scroll member |
| 12/12/2000 | US6158980 Compressor with motor |
| 12/07/2000 | WO2000073660A1 Rotary compressor or vacuum pump |
| 12/07/2000 | WO2000073659A1 Apparatus for preventing vacuum compression of scroll compressor |
| 12/07/2000 | WO2000057062B1 Pump for generating pressure or negative pressure |
| 12/05/2000 | US6155502 Nozzle device for purging a vacuum pump |
| 11/30/2000 | DE19924645A1 Drehschieberverdichter oder -vakuumpumpe Rotary vane compressor or -vakuumpumpe |
| 11/30/2000 | DE19923234A1 Roots-Kompressor Roots supercharger |
| 11/29/2000 | EP1055824A1 Scroll-type apparatus |
| 11/29/2000 | EP1055823A1 Vane type vacuum pump for automobiles |
| 11/29/2000 | EP1055822A1 Scroll type fluid machinery |