| Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462) |
|---|
| 01/15/2003 | EP1029256B1 Electrochromic system |
| 01/15/2003 | EP1019633B1 Screw-type compressor |
| 01/15/2003 | EP0698736B1 Scroll compressor capable of effectively separating oil from the compressor gas |
| 01/15/2003 | CN1391040A Tip of spiral rotor with reversed curve |
| 01/15/2003 | CN1391039A Compressor with built-in motor and moving vehicles therewith |
| 01/15/2003 | CN1391038A Compressor with internal motor and vehicle therewith |
| 01/14/2003 | US6506512 Compression regenerative machine for fuel cell |
| 01/14/2003 | US6506039 Screw compressor |
| 01/14/2003 | US6506038 Wear-preventing and positioning device for a screw compressor |
| 01/14/2003 | US6506037 Screw machine |
| 01/14/2003 | US6506036 Scroll compressors |
| 01/14/2003 | US6506031 Screw compressor with axial thrust balancing and motor cooling device |
| 01/14/2003 | US6506027 Two stage compressor and a method for cooling such a compressor |
| 01/14/2003 | US6505480 Air-conditioner, outdoor unit and refrigeration unit |
| 01/14/2003 | CA2356534C Scroll apparatus with enhanced lubrication |
| 01/09/2003 | US20030007881 Oil leak prevention structure of vacuum pump |
| 01/09/2003 | US20030007873 Screw compressor equipment for accommodating low compression ratio and pressure variation and the operation method thereof |
| 01/09/2003 | US20030005983 Forged scroll part and production process therefor |
| 01/08/2003 | EP1273801A2 Sealing for vacuum pump |
| 01/08/2003 | EP1273468A1 On-vehicle air conditioner |
| 01/08/2003 | CN2530069Y Positive-displacement swirl fluid compressor |
| 01/08/2003 | CN1389649A Vortex compressor |
| 01/08/2003 | CN1389648A 真空泵 Vacuum pump |
| 01/07/2003 | US6503069 Scroll-type compressor with an integrated motor and a compact cooling system |
| 01/03/2003 | WO2003001064A1 Two-stage helical screw compressor |
| 01/03/2003 | WO2003001035A2 Improved rotary machine |
| 01/02/2003 | US20030003008 Oil leak prevention structure of vacuum pump |
| 01/02/2003 | US20030002999 Compressor with built-in motor and mobile structure using the same |
| 01/02/2003 | US20030002998 Compressor with built-in motor, and mobile structure using the same |
| 01/02/2003 | US20030002992 Oil utilized as motor protector trip for scroll compressor |
| 01/02/2003 | US20030000238 Scroll compressor |
| 01/02/2003 | EP1270948A2 Sealing for a vacuum pump |
| 01/02/2003 | EP1270947A2 Scroll compressors |
| 01/02/2003 | EP1270900A1 Quasi-isothermal Brayon cycle engine |
| 01/02/2003 | EP1270899A1 Quasi-isothermal Brayton cycle engine |
| 01/02/2003 | EP1269024A1 Bacterial growth inhibition in a circulation system comprising a compressor |
| 01/01/2003 | CN2528975Y Adjustable speed positive displacement rotary-vane pump |
| 01/01/2003 | CN2528970Y Vane inlaid integral piston |
| 01/01/2003 | CN2528969Y Fixed-length single sliding-block rotary air conditioning compressor of vehicle |
| 01/01/2003 | CN2528968Y Rotary piston compressor |
| 01/01/2003 | CN1388868A Screw-type compressor |
| 01/01/2003 | CN1388346A Method and apparatus for preventing electrical insulating property reducing in air conditioner loop |
| 01/01/2003 | CN1097678C Optimized location for scroll compressor energy-economizer injection ports |
| 12/31/2002 | US6500243 Compressor system including a separator tank with a separator element positioned therein |
| 12/31/2002 | US6499978 Scroll compressor having different wrap thicknesses |
| 12/31/2002 | US6499977 Scroll compressor with integral outer housing and a fixed scroll member |
| 12/31/2002 | US6499967 Shaft axial compliance mechanism |
| 12/31/2002 | US6499965 Air compressor system and an air/oil cast separator tank for the same |
| 12/31/2002 | US6499305 Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor |
| 12/31/2002 | US6499301 Rotary positive displacement device |
| 12/31/2002 | CA2273739C Rotary compressor with continuous vane slot and a method to set slot width |
| 12/27/2002 | WO2002103205A1 Profiled contour of the spindle rotors of a spindle pump |
| 12/27/2002 | WO2002103204A1 Dry-compressing spindle pump |
| 12/26/2002 | US20020197177 Fluid machinery |
| 12/26/2002 | US20020197172 Scroll compressor with motor control for capacity modulation |
| 12/26/2002 | US20020197171 Vacuum pump |
| 12/26/2002 | US20020197168 Vacuum pump apparatus having improved sealing structure |
| 12/26/2002 | US20020195760 Spring having a high natural frequency and a low spring rate |
| 12/25/2002 | CN1386982A Turbocompressor and driving method thereof |
| 12/25/2002 | CN1097174C Compressor for refrigerating circulation |
| 12/25/2002 | CN1097173C Scroll-type compressor |
| 12/25/2002 | CN1097171C Hermetic scroll compressor |
| 12/25/2002 | CN1097170C Volute compressor |
| 12/25/2002 | CN1097169C Scroll fluid machine and compressed gas-producing apparatus comprising same |
| 12/24/2002 | US6497563 Dry-compressing screw pump having cooling medium through hollow rotor spindles |
| 12/24/2002 | US6497554 Fail safe electronic pressure switch for compressor motor |
| 12/19/2002 | WO2002101244A1 Screw compressor with switched reluctance motor |
| 12/19/2002 | WO2002101242A2 Compressor with a capacity modulation system utilizing a re-expansion chamber |
| 12/19/2002 | US20020192097 Vacuum pump |
| 12/19/2002 | US20020192096 Screw compressor injected with water |
| 12/19/2002 | US20020192081 Control apparatus of variable displacement pump for power steering apparatus |
| 12/19/2002 | US20020189266 Methods and apparatus for preventing degradation of electrical insulation properties within air conditioning circuits |
| 12/18/2002 | EP1029179B1 Hermetic scroll compressor |
| 12/18/2002 | CN1385659A Digital volute condensation unit controller |
| 12/18/2002 | CN1385616A Oldham's coupling screw compressor with gap |
| 12/17/2002 | US6494699 Axial unloading lift valve for a compressor and method of making the same |
| 12/17/2002 | US6494696 Scroll compressor |
| 12/17/2002 | US6494695 Orbiting scroll center of mass optimization |
| 12/17/2002 | US6494688 Force-fit scroll compressor components |
| 12/17/2002 | US6494043 Distributed generation system |
| 12/12/2002 | WO2002099282A1 Cylinder assembly of compressor |
| 12/12/2002 | US20020187064 Gas rotary screw compressor |
| 12/12/2002 | US20020187063 Rotation preventive device for scroll compressor |
| 12/12/2002 | US20020187057 Compressors for providing automatic capacity modulation and heat exchanging system including the same |
| 12/12/2002 | US20020187050 Compressor with a capacity modulation system utilizing a re-expansion chamber |
| 12/12/2002 | CA2420146A1 Cylinder assembly of compressor |
| 12/11/2002 | EP1265338A2 Vacuum pump |
| 12/11/2002 | EP1264988A2 Screw rotor tip |
| 12/11/2002 | EP0864754B1 Oil separator for compressors, scroll compressor using same, and method of manufacturing oil separator for compressors |
| 12/11/2002 | CN2525283Y Sliding vane high pressure chlorine compressor |
| 12/11/2002 | CN2525282Y Jacket cylinder type rolling rotor compressor |
| 12/11/2002 | CN1384588A Permanent magnetic rotary motor and its compressor with the motor |
| 12/11/2002 | CN1384290A Compressor diagnosing system |
| 12/11/2002 | CN1384289A Sealed electrical compressor |
| 12/11/2002 | CN1384288A Internally compressed speed-doubleing Roots mechanism |
| 12/11/2002 | CN1384287A Rotation preventer for vortex compressor |
| 12/11/2002 | CN1095943C 旋转压缩机 Rotary compressor |
| 12/11/2002 | CN1095942C Helical impeller compressor |
| 12/11/2002 | CN1095941C Vortex copressor |
| 12/11/2002 | CN1095940C 涡旋压缩机 Scroll Compressor |