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)
07/2003
07/02/2003CN1427177A Oil supply device of vortex compressor
07/02/2003CN1427175A Valve for screw compressor
07/02/2003CN1427173A Vortex compressor
07/02/2003CN1427172A Compressor exhaust valve component element
07/02/2003CN1427169A Vortex compressor crank shaft supporter
07/02/2003CN1427167A Compressor cylinder component element
07/02/2003CN1427166A Antifriction device of compressor
07/02/2003CN1427165A Device for preventing vacuum compression of vortex compressor
07/02/2003CN1427164A Pressure sealing structure of vortex compressor
07/02/2003CN1427163A Structure for lowering load of rotary compressor
07/02/2003CN1427162A Device for preventing reversion of vortex compressor
07/02/2003CN1427161A Device for pleventing vortex sheet reversion of vortex compressor
07/02/2003CN1427160A Device for preventing autorotation of vortex compressor
07/02/2003CN1427159A Vortex compressor
07/02/2003CN1427158A Device for preventing reversion of vortex compressor
07/02/2003CN1113204C Air conditioner adopting volute compressor
07/02/2003CN1113168C Rotary compressor
07/02/2003CN1113151C Twin helical rotors installated in displacement machine for compressible media
07/01/2003US6585503 Screw compressor having a shaped discharge port
07/01/2003US6585502 Scroll compressor with slider block having circular portions in an inner bore
07/01/2003US6585501 Scroll compressor sealing
06/2003
06/27/2003CA2415223A1 Orbiting rotary compressor
06/26/2003WO2003052273A1 Screw compressor with reduced leak path
06/26/2003US20030118465 Fluid compressor
06/26/2003US20030118464 Valve for scroll compressor
06/26/2003US20030115900 Rotary compressor, method for manufacturing the same, and defroster for refrigerant circuit
06/26/2003US20030115890 Method and system for diagnosing a cooling system
06/25/2003EP1321674A2 Compressor with sound insulation case
06/25/2003CN1426509A Multiple induction encrgy-driven engine
06/25/2003CN1425853A Method for producing screw compressor and its rotor
06/25/2003CN1112518C Exhausting silencing apparatus for air-tight rotary compressor
06/25/2003CN1112517C Vortex compressor
06/25/2003CN1112516C Eccentric air compressor with dual elements sealed synchronously
06/25/2003CN1112515C Shaft structure of screw rotor of screw fluid machinery
06/25/2003CN1112514C Vortex compressor
06/25/2003CN1112513C Worm compressor with heigh-shortened circular worm ring
06/25/2003CN1112512C Stud gear mechanism
06/24/2003US6582210 Scroll compressor having a compliant frame and a guide frame for the orbiting scroll
06/24/2003US6581408 Multi-stage compression refrigerating device
06/19/2003WO2003050459A1 Control method for mixed refrigerant based natural gas liquefier
06/19/2003US20030113221 Screw compressor with reduced leak path
06/19/2003US20030113202 Screw compressors with rotor and casing design for controlling deflections
06/18/2003EP1319840A1 Scroll compressor
06/18/2003EP1319839A1 Scroll compressor
06/18/2003EP1319838A1 Scroll compressor
06/18/2003CN2556391Y Rotor of helical-lobe compressor
06/18/2003CN2556390Y Rotor of helical-lobe compressor
06/18/2003CN1424510A Production for sliding vane of compressor
06/18/2003CN1424509A Rolling sliding vane air compressor without oil lubrication
06/18/2003CN1111652C Oil-free scroll compressor
06/17/2003US6579081 Spherical positive-displacement rotary machine
06/12/2003WO2003048583A1 Power generating device
06/12/2003WO2003048581A1 Vane supporting apparatus for hermetic compressor
06/12/2003WO2003048576A1 Discharging part structure for compressor
06/12/2003WO2003047658A1 Rotating compressor
06/12/2003US20030108446 Screw compressor and method of manufacturing rotor for the same
06/12/2003US20030108444 Scroll-type compressors
06/12/2003US20030108438 Compressor
06/12/2003US20030106431 Provides clean, dry compressed air, at a discharge point
06/12/2003US20030106330 Defroster of refrigerant circuit and rotary compressor
06/12/2003US20030106301 Quasi-isothermal brayton cycle engine
06/11/2003EP1317627A1 Pump comprising a water supply
06/11/2003CN1423057A Compressor
06/11/2003CN1423056A Closed revolving compressor
06/11/2003CN1423055A Revolving compressor, its manufacturing method and defrosting device using said compressor
06/05/2003WO2003046384A1 Vacuum pump comprising a sound attenuation chamber
06/04/2003EP1316730A2 Rotary compressor
06/04/2003EP1316729A2 Gas compressor
06/04/2003EP1316725A1 Rotary fluid machinery
06/04/2003CN1422364A Motor protector on non-orbiting scroll
06/04/2003CN1421610A 气体压缩机 Gas compressor
06/04/2003CN1421607A Sliding element for compressor
06/03/2003US6572354 Screw compressor having a shaft seal near a bearing
06/03/2003US6572351 Pressure seal for a vacuum pump
06/03/2003US6572350 Screw compressor
06/03/2003US6571576 Injection of liquid and vapor refrigerant through economizer ports
06/03/2003US6571561 Power generation system
05/2003
05/30/2003WO2003044373A1 Hermetic compressor
05/30/2003WO2003044371A1 Compressor with z-plate
05/30/2003WO2003044370A1 Vane supporting apparatus for hermetic compressor
05/30/2003WO2003044369A1 Vacuum pumps
05/30/2003WO2003044367A1 Compressor having oil returning apparatus
05/29/2003US20030099564 Press-on insulator dish
05/28/2003EP1314890A2 Control system for vacuum pump
05/28/2003EP1314887A2 Compressor coating
05/28/2003EP1313950A1 Vacuum pump
05/28/2003EP0851125B1 Rotary compressor
05/28/2003EP0752532B1 Rotary compressor and refrigerating apparatus
05/28/2003CN2553141Y 转子压缩机 Rotary Compressor
05/28/2003CN2553140Y Axial sealing mechanism for vortex compressor
05/28/2003CN1420965A Scroll compressor
05/28/2003CN1420964A Multi-stage compressor
05/28/2003CN1420600A AC generator with vacuum pump capable of enhancing cooling property
05/28/2003CN1420330A Defrosting device of refrigerant loop and rotary compressor for refrigerant loop
05/28/2003CN1420281A Rotary screw gas compressor
05/28/2003CN1420279A Vortex compressor wiht rotating loss reducing device
05/28/2003CN1420277A Hermetically sealed compressor, mfg. method thereof
05/28/2003CN1420270A Blade of compressor
05/28/2003CN1109824C Scroll-type fluid machine
05/27/2003US6568928 Scroll-type compressor
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