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)
04/2005
04/21/2005US20050084403 Compact scroll pump
04/21/2005US20050084397 Gas compressor
04/21/2005US20050084390 Refrigerant compressor and friction control process therefor
04/20/2005EP1523624A1 Discharge porting design for screw compressor
04/20/2005CN1608173A Hermetic compressor
04/20/2005CN1608172A Compressor and overload protecting apparatus
04/20/2005CN1607478A An adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor
04/20/2005CN1607332A 变容旋转压缩机 Variable capacity rotary compressor
04/20/2005CN1607331A 全运动式压缩机 Full motion compressor
04/20/2005CN1607330A Air make-up hole position determination method for vortex compressor with air make-up loop
04/20/2005CN1198104C Sealed compressor
04/19/2005US6881046 Scroll type fluid machine
04/19/2005US6881044 Rotary vane compressor with interchangeable end plates
04/19/2005US6881041 Compressor within motor rotor
04/19/2005US6881040 Multi-stage screw compressor unit accommodating high suction pressure and pressure fluctuations and method of operation thereof
04/19/2005US6881026 Screw compressors with rotor and casing design for controlling deflections
04/19/2005US6880536 Lubrication optimization of single spring isolator
04/19/2005US6880360 Compressor systems for use with smokeless lubricant
04/14/2005WO2005033519A1 Plural screw positive displacement machines
04/14/2005WO2005033518A1 Scroll compressor with offset scroll members
04/14/2005US20050079071 Variable capacity rotary compressor
04/14/2005DE202004018733U1 Pumpe Pump
04/13/2005EP1522733A2 Rotary vane compressor with vane holding plug
04/13/2005CN2692382Y Bilayer dual expanding noise suppressor
04/13/2005CN2692381Y Compressor external cylinder noise suppression hole
04/13/2005CN2692379Y Two stage transcylinder rolling piston type compressor
04/13/2005CN1606659A Screw compressor with reduced leak path
04/12/2005US6877969 Vane pump
04/12/2005US6877340 Expander
04/07/2005WO2005031164A1 Compressor
04/07/2005WO2004083643B1 Positive-displacement vacuum pump
04/07/2005US20050074354 Compressor and method of manufacturing the same
04/07/2005US20050072173 Refrigerant cycle apparatus
04/07/2005US20050071981 Method of aligning scroll compressor pump cartridge
04/07/2005DE102004042346A1 Kompressor Compressor
04/06/2005EP1520990A2 Rotary compressor
04/06/2005EP1520989A2 Horizontal type rotary compressor
04/06/2005CN1603628A 可变容量旋转压缩机 Variable capacity rotary compressor
04/06/2005CN1603627A 变容旋转压缩机 Variable capacity rotary compressor
04/06/2005CN1603626A Horizontal type compressor and automobile air conditioner equipped with the same
04/06/2005CN1603625A Rotary compressor, and car air conditioner and heat pump type water heater using the compressor
04/06/2005CN1603624A Compressor and method of manufacturing the same
04/06/2005CN1603623A 变容旋转压缩机 Variable capacity rotary compressor
04/06/2005CN1195965C Heat pump device and compressor used for the same
04/05/2005US6874996 Compressor having independently driven members
04/05/2005US6874989 Vacuum pump
04/05/2005US6874486 Supercharger with multiple backflow ports for noise control
03/2005
03/31/2005WO2005028871A1 Cleaning method of a rotary piston vacuum pump
03/31/2005US20050069446 Cooled screw vacuum pump
03/31/2005US20050069445 Horizontal type compressor and automobile air conditioner equipped with the same
03/31/2005US20050069444 Scroll machine
03/31/2005US20050069443 Compressor
03/31/2005US20050069442 Variable capacity rotary compressor
03/31/2005US20050069441 Variable capacity rotary compressor
03/31/2005US20050069440 Multistage dry pump
03/31/2005US20050069423 Rotary compressor, and car air conditioner and heat pump type water heater using the compressor
03/31/2005US20050069422 Variable capacity rotary compressor
03/31/2005DE19520757B4 Kältemittel-Spiralkompressor Refrigerant scroll compressor
03/30/2005EP1519047A1 Scroll compressor with discharge valve
03/30/2005EP1519046A2 Apparatus for compensating for speed error of motor
03/30/2005EP1519045A2 Multistage dry vacuum pump
03/30/2005EP1461096A4 Rotating compressor
03/30/2005EP0454794B2 Vacuum drainage system
03/30/2005CN2688936Y Laddering multi-node spiral coaxial air compressor
03/30/2005CN2688935Y Volumetric vortex fluid compressor
03/30/2005CN2688934Y Vortex vacuum pump with multi-vortex line and double side
03/30/2005CN2688933Y Volumetric vortex fluid compressor with radial compensating mechanism
03/30/2005CN2688932Y Rotary anti-oil-returning vacuum/compression two-purpose pumps
03/30/2005CN1602391A Method for controlling the oil recirculation in an oil-injected screw-type compressor and compressor using this method
03/30/2005CN1601110A Cavity structure of silencer in revolving type compressor
03/30/2005CN1601109A Spiral reel compressor possessing function of weakening noise
03/30/2005CN1601108A Rotary blade vacuum pump
03/30/2005CN1601107A Turbination processing method of compressor
03/30/2005CN1601106A 涡旋机械 Scroll Machinery
03/30/2005CN1601095A Discharger of compressor and manufacturing method
03/30/2005CN1601093A Bearing of rotary compressor and making method
03/30/2005CN1601092A Air inlet mechanism of air cylinder of revolving type compressor in use for air condition
03/30/2005CN1601091A Helical lobe compressor for hydrogen water spray cooled
03/30/2005CN1601090A Swirl fluid machinery
03/30/2005CN1601089A Roll type compressor
03/30/2005CN1601088A Structure for reducing friction loss in spiral reel compressor
03/30/2005CN1601087A Unit for keep liquid from flowing into roll type compressor
03/30/2005CN1601086A Device for preventing convolution reel from autorotation in reel compressor
03/30/2005CN1601085A Coolant compressor and refrigerator using same
03/29/2005US6872063 Scroll type compressor having an elastic member urging the movable scroll member toward the fixed scroll member
03/29/2005US6872062 Scroll compressor
03/24/2005WO2005026554A1 Screw compressor and freezer
03/24/2005WO2005026499A1 Rotary expansion machine and fluid machinery
03/24/2005US20050063855 Rotary fluid machinery
03/24/2005US20050063852 Screw compressor and method of manufacturing rotor for the same
03/24/2005US20050063850 Scroll pump using isolation bellows and synchronization mechanism
03/24/2005US20050063849 Variable capacity rotary compressor
03/24/2005US20050063837 Hermetic scroll compressor
03/24/2005US20050063836 Electric compressor and method of assembling the same
03/24/2005US20050063828 Compressor and overload protecting apparatus
03/24/2005US20050062448 Apparatus for compensating for speed error of motor
03/24/2005US20050061535 Shielded cable, process for assembling the same and compressor unit having the same
03/24/2005DE19515555B4 Verfahren zur spanabhebenden Bearbeitung eines Spiralteils A method for machining a spiral portion
03/24/2005DE10338966A1 Screw-type compressor for compressors and pumps has contact points of tooth profiles for main and auxiliary rotors lying on closed contact curve
03/24/2005DE10334484A1 Dry compressing spindle vacuum pump with contra-rotating rotor pair has inlet side rotor pitch producing nominal displacement capacity first increasing to maximum value and then changing with constant drop to outlet side pitch
1 ... 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 ... 195