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)
12/2005
12/14/2005CN1707115A Capacity varying device for rotary compressor
12/14/2005CN1707110A Rotor pump
12/14/2005CN1707109A Air leakage preventing device for closed compressor
12/14/2005CN1707104A Vortex machine with continuous power regulation
12/14/2005CN1707102A Light gas vacuum pumping system
12/14/2005CN1231680C Enclosed rotary compressor and freezing ,air conditioning unit
12/14/2005CN1231679C Structure for decreasing friction loss of compressor
12/14/2005CN1231678C Compressor bearing structure
12/14/2005CN1231676C All-extricated contact line single helical-lobe compressor intermeshing pair
12/14/2005CN1231675C Transmission pin structure of swirl compressor
12/14/2005CN1231674C Embedded hub vortex compressor
12/13/2005US6974314 Rotary compressor, method for manufacturing the same, and defroster for refrigerant circuit
12/13/2005US6974313 Multiple induction energy-driven engine
12/08/2005WO2005042980A8 Improved water-injected screw-type compressor
12/08/2005US20050271538 Gear for use in a gear pump
12/08/2005US20050271537 Cavitation noise reduction system for a rotary screw vacuum pump
12/08/2005US20050271536 Wobblestick with helix
12/08/2005US20050271535 Closed system rotary machine
12/08/2005US20050271534 Scroll compressor and air-conditioning system for vehicle using the scroll compressor
12/08/2005US20050268631 Apparatus for driving a compressor and a refrigerating air conditioner
12/07/2005EP1603214A1 Magnetizing jig, magnetizing method using the jig, and method of assembling electric compressor by using the jig and the magnetizing method
12/07/2005EP1602799A2 Method of manufacturing an orbiting scroll in a scroll fluid machine
12/07/2005EP1602798A2 Scroll fluid machine
12/07/2005EP1601877A1 Rotary piston pump
12/07/2005CN1705826A Variable inner volume ratio-type inverter screw compressor
12/07/2005CN1705825A 压缩机 Compressor
12/07/2005CN1704600A Gear type compressor
12/07/2005CN1704599A Gear type compressor
12/07/2005CN1704598A Gear type compressor
12/07/2005CN1704597A Gear type compressor
12/07/2005CN1704596A Gear type compressor
12/07/2005CN1704595A Gear type compressor
12/07/2005CN1704594A Swirl type fluid machinery
12/07/2005CN1704593A Method of manufacturing an orbiting scroll in a scroll fluid machine
12/07/2005CN1230625C Plastic vane for a vane-cell vacuum pump
12/07/2005CN1230624C Vortex compressor
12/07/2005CN1230623C Vortex compressor with horizontal oiling hole on spiral member in spiral motion
12/07/2005CN1230622C Radial vortex compressor
12/06/2005US6971862 Appartus for preventing overheat of scroll compressor
12/01/2005WO2005113985A1 Rotary compressor
12/01/2005WO2005113984A1 Screw rotor and screw type fluid machine
12/01/2005US20050265880 Backpressure mechanism of scroll type compressor
12/01/2005US20050265879 Scroll fluid machine
12/01/2005US20050265878 Compressor
12/01/2005US20050262858 Heat cycle
12/01/2005US20050262689 Method of manufacturing an orbiting scroll
12/01/2005DE102004034920B3 Einflügelvakuumpumpe A single-
12/01/2005DE102004034919B3 Einflügelvakuumpumpe A single-
11/2005
11/30/2005CN1702328A Vortex compressor
11/30/2005CN1229570C Multiple induction encrgy-driven engine
11/29/2005US6969243 Scroll compressor with recess on crankcase or orbiting scroll
11/29/2005US6969242 Compressor
11/24/2005WO2005111427A1 Rotary compressor
11/24/2005US20050260091 Rotary device for use in an engine
11/24/2005US20050260082 Oil-sealed vane rotary vacuum pump
11/23/2005EP1598615A2 An adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor
11/23/2005EP1598614A2 An adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor
11/23/2005EP1598613A2 An adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor
11/23/2005EP1598612A2 An adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor
11/23/2005EP1598611A2 An adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor
11/23/2005EP1598558A1 Oil sealed vane type rotary vacuum pump
11/23/2005EP1598557A1 Compressor lubrication control
11/23/2005EP1407146B1 Water-injected screw compressor
11/23/2005EP1010892B1 Scroll compressor
11/23/2005CN1699753A Scroll compressor
11/23/2005CN1699752A Gas rotationally compressing apparatus, liquid rotationally conveying device and gas engine
11/23/2005CN1228586C Whirl compressor
11/23/2005CN1228585C 压缩机 Compressor
11/23/2005CN1228584C Refrigerant compressor
11/23/2005CN1228552C Fluid mechanism
11/23/2005CN1228551C Noise and vibration reducing structure for vortex compressor
11/23/2005CN1228535C Compressor with sound-proof casing
11/22/2005US6966759 Compressor diagnostic and recording system
11/22/2005US6966194 Refrigerating machine
11/17/2005WO2005108795A1 Rotary fluid machine
11/17/2005WO2005108794A1 Rotary fluid machine
11/17/2005WO2005108793A1 Rotary compressor
11/17/2005WO2005107552A2 Vacuum cleaners especially quiet vacuum cleaners, pumps, and engines
11/17/2005US20050254984 Shared slot vane pump
11/17/2005US20050254981 Light gas vacuum pumping system
11/17/2005US20050254969 Vacuum pump
11/16/2005EP1596067A1 Compressor sound attenuation
11/16/2005EP1596066A1 Light gas vacuum pumping system
11/16/2005EP1595078A1 A scroll pump and method of assembling same
11/16/2005CN2740814Y Vortex compressor
11/16/2005CN1698249A Magnetizing jig, magnetizing method using the jig, and method of assembling electric compressor by using the jig and the magnetizing method
11/16/2005CN1697928A Hermetic compressor
11/16/2005CN1697927A Enclosed compressor
11/16/2005CN1227496C Compressor with control and protection system
11/16/2005CN1227459C 多级压缩机 Multistage compressor
11/15/2005US6964560 Vacuum pump
11/15/2005US6964559 Two shaft vacuum pump with cantilevered rotors
11/10/2005WO2005105325A1 Coated pump assembly
11/10/2005US20050249623 Dust seal in a scroll fluid machine
11/10/2005US20050246859 Rotary engines
11/10/2005DE102005017830A1 Kompressor mit variabler Geschwindigkeit Variable speed compressor
11/09/2005EP1593850A2 Seal for a scroll fluid machine
11/09/2005EP1395756B1 Screw compressor with switched reluctance motor
11/09/2005CN1226536C Swirl compressor
11/08/2005US6962486 Variable capacity rotary compressor
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