Patents
Sitemap › F04 - Positive-displacement machines for liquids; Pumps for liquids or elastic fluids › F04C - Rotary-piston, or oscillating-piston, positive-displacement machines for liquids; Rotary-piston, or oscillating-piston, positive-displacement pumps › F04C 18 - Rotary-piston pumps specially adapted for elastic fluids
Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462)
04/2003
04/16/2003CN1105820C Rotating piston machine with three-blade rotors
04/15/2003US6547544 Hermetic compressor and open compressor
04/15/2003US6547543 Scroll compressor with unique mounting of non-orbiting scroll
04/10/2003US20030068246 Compressor
04/10/2003US20030068236 Compressor, method for manufacturing the compressor, defroster of refrigerant circuit, and refrigeration unit
04/09/2003EP1300593A2 Vane compressor
04/09/2003EP1300592A2 Rotary blower with an abradable coating
04/09/2003CN1409015A Vortex compressor with variable volume
04/09/2003CN1409013A 气体压缩机 Gas compressor
04/09/2003CN1409012A 气体压缩机 Gas compressor
04/09/2003CN1409010A Eccentric elliptic stator rotary slide sheet type compressor and its design method
04/09/2003CN1409009A 旋转式压缩机 Rotary compressor
04/09/2003CN1105243C 涡旋式流体机械 The scroll-type fluid machine
04/09/2003CN1105242C 流体泵 Fluid pump
04/09/2003CN1105224C Positive-desplacement piston mechanism of rotary piston structure
04/08/2003US6544020 Cooled screw vacuum pump
04/08/2003US6544016 Scroll compressors
04/08/2003US6544014 Scroll-type compressors
04/08/2003US6543238 Refrigerant cycle system with expansion energy recovery
04/03/2003WO2003027441A1 Rotary fluid machinery
04/03/2003WO2003027440A1 Rotary fluid machine
04/03/2003WO2003027439A1 Rotary fluid machine
04/03/2003WO2003027438A1 Rotary fluid machine
04/03/2003US20030063991 Gas compresssor
04/03/2003US20030063990 Scroll fluid machine
04/03/2003US20030063989 End seal features for scroll compressors
04/03/2003US20030063983 Variable-capacity scroll-type compressor
04/03/2003US20030063982 Diagnostic system for a compressor
04/03/2003US20030061825 Vibration detection in a transport refrigeration system through current sensing
04/02/2003EP1298324A2 Rotary vane compressor with vane holding plug
04/02/2003CN1407240A Pressure regulator valve and gas compressor therewith
04/02/2003CN1407239A Gas compressor
04/02/2003CN1407238A Vortex compressor manufacture method and apparatus
04/02/2003CN1407237A Vortex compressor
04/02/2003CN1407236A Vortex compressor
04/02/2003CN1407235A Vortex compressor
04/02/2003CN1407234A Exhaust valve of compressor
04/02/2003CN1407233A Vortex compressor and its manufacture
04/02/2003CN1407232A Vortex compressor manufacture
04/02/2003CN1407231A Vortex compressor
04/02/2003CN1406686A Damp sand cast method and apparatus
04/02/2003CN1104565C 流体压缩机 Fluid Compressor
04/02/2003CN1104564C Vortex compressor
04/01/2003US6540489 Motor driven compressor
04/01/2003US6540484 Scroll compressor with thermostat mounted in non-orbiting scroll
03/2003
03/27/2003US20030059328 Bacterial growth inhibition in a circulation system comprising a compressor
03/27/2003US20030059327 Scroll-type fluid machine
03/27/2003US20030059326 Oil free type screw compressor
03/27/2003US20030059325 Quill drive miniature roots blower
03/27/2003US20030056534 Refrigerating device
03/26/2003CN2541630Y Overlap locking Roots blower impeller assembly
03/26/2003CN1406318A Refrigeration compressor
03/26/2003CN1405951A Vortex compressor and refrigerator using ammonia-like as refrigrant
03/26/2003CN1405452A Compound compressor
03/26/2003CN1405451A Sliding-vane for rotary compressor and its manufacture method
03/25/2003US6537049 Screw pump having a thermal shield
03/25/2003US6537043 Compressor discharge valve having a contoured body with a uniform thickness
03/20/2003US20030053924 Plastic vane for a vane-cell vacuum pump
03/20/2003US20030053922 Scroll-type fluid machine
03/20/2003US20030053916 Hybrid compressor
03/20/2003DE20121634U1 Multiple chamber plant used for degassing, coating or etching substrates comprises an evacuating system connected to chambers
03/19/2003EP1293676A2 Two stage scroll compressor
03/19/2003EP1293675A1 Scroll compressor
03/19/2003EP1293674A1 Scrawl compressor
03/19/2003CN2540527Y Slipper with lubricating film coated layer
03/19/2003CN2540525Y Piston with lubricating film coated layer
03/19/2003CN1404555A Plastic vane for a vane-cell vacuum pump
03/19/2003CN1403714A Bleed valve assembly for fluid machinery
03/19/2003CN1403713A Scroll compressor with antireversing device
03/19/2003CN1103409C Multi-element composite type vortex machine
03/18/2003US6533562 Two-stage oil injection into scroll compressors
03/18/2003US6533561 Scroll type compressor
03/18/2003US6533558 Closed rotary compressor
03/13/2003US20030049146 Refrigerant compressor
03/13/2003US20030046952 Scroll compressor and refrigerating system using ammonia group refrigerant
03/12/2003EP1291529A2 Compressor discharge valve
03/12/2003EP1291528A2 Scroll compressor and refrigerating system using ammonia group refrigerant
03/12/2003EP0843098B1 Scroll compressor
03/12/2003CN1401910A Swirl compressor
03/12/2003CN1401909A Swirl compressor
03/12/2003CN1401908A Transmission pin structure of swirl compressor
03/12/2003CN1401907A Variable displacement controlling device for reducing swirl compressor
03/12/2003CN1401906A Wear-resistant structure of swirl compressor
03/12/2003CN1401905A Two-cavity cylinder compressor
03/12/2003CN1401904A Embedded hub vortex compressor
03/11/2003US6530753 Screw compressor with a fluid contracting bypass
03/11/2003US6530365 Fluid displacement pump with backpressure stop
03/11/2003US6530240 Control method for mixed refrigerant based natural gas liquefier
03/11/2003US6530211 Quasi-isothermal Brayton Cycle engine
03/06/2003WO2003019011A1 Method for the protection of a volumetric liquid-injected compressor
03/06/2003WO2003019010A1 Method for the protection of a volumetric liquid-injected compressor
03/06/2003WO2003019009A1 Fluid displacement pump with backpressure stop
03/06/2003US20030044297 Scroll compressors
03/06/2003US20030044296 Compressor discharge valve
03/05/2003EP1287298A1 Control system of degree of superheat of air conditioner and control method thereof
03/05/2003EP1287296A1 System for controlling starting of air conditioner and control method thereof
03/05/2003EP1287295A1 Control system for starting of air conditioner and control method thereof
03/05/2003CN2538982Y Screw-type gas compressor
03/05/2003CN1400394A Mutually-matched compressor piston base material and lubricating agent
03/05/2003CN1400393A Spiral compressor
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