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 23 - Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
Patents for F04C 23 - Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids (6,201)
12/2008
12/17/2008CN100443725C Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same
12/11/2008WO2008149491A1 Fluid machine
12/10/2008CN101321954A Multi-step helical screw compressor
12/10/2008CN101319675A Rotary compressor
12/10/2008CN100441875C Rotary compressor
12/10/2008CN100441872C Variable volume type rotary compressor and its control method
12/09/2008US7462021 Rotary compressor, and car air conditioner and heat pump type water heater using the compressor
12/04/2008WO2008146634A1 Hybrid compressor
12/04/2008US20080298986 Electric compressor having magnets disposed in magnet slots of rotor core
12/03/2008EP1209361B1 Internal intermediate pressure 2-stage compression type rotary compressor
12/02/2008US7458789 Scroll compressor
11/2008
11/26/2008CN101311542A Permanent magnet superposed hermetic scroll compressor
11/26/2008CN100436825C Shaft coupling device used for internal transmission of single machine two-stage screw bolt refrigerant compressor
11/20/2008WO2008139877A1 Fluid machine, rankine circuit, and system for utilizing waste heat from vehicle
11/20/2008WO2008139667A1 Refrigeration cycle device and fluid machine used therefor
11/19/2008EP1992821A1 Sliding component of compressor, sliding component base, scroll component, and compressor
11/19/2008EP1992820A1 Freezing device
11/19/2008CN101307765A Compressor
11/19/2008CN101307764A Compressor
11/19/2008CN101307763A Compressor
11/19/2008CN101307761A Compressor
11/19/2008CN101307760A Compressor
11/19/2008CN100434656C Rotary type expansion machine
11/18/2008US7452191 Vacuum pump and method for generating sub-pressure
11/18/2008CA2440968C Horizontal two stage rotary compressor
11/18/2008CA2402681C Hybrid compressor
11/13/2008WO2008137230A1 Improved servicing arrangement for a portable air compressor/generator
11/13/2008CA2682998A1 Improved servicing arrangement for a portable air compressor/generator
11/12/2008EP1174621B1 Screw compressor
11/12/2008CN100432441C Variable capacity rotation compressor
11/12/2008CN100432438C Rotary compressor
11/12/2008CN100432436C Refrigeration machine
11/12/2008CN100432375C Golden proportion of design for oscillating-piston mechanical structure
11/06/2008WO2008103300A3 Flexible impeller pumps for mixing individual components
11/06/2008US20080274001 Rotary Expander
11/05/2008CN201144809Y Antifriction gap structure of compressor intermediate plate
11/05/2008CN100430674C Digital volute condensation unit controller
11/05/2008CN100430603C Rotary compressor, and car air conditioner and heat pump type water heater using the compressor
10/2008
10/30/2008US20080267804 Rotary compressor
10/29/2008EP1985860A2 Rotary compressor
10/29/2008CN101294573A 回转式压缩机 Rotary Compressor
10/29/2008CN101294572A Multi-stage gas compressing apparatus
10/29/2008CN101294571A Double-head scroll compressor
10/22/2008CN100427763C Compressor
10/21/2008US7438540 Two-stage rotary compressor
10/15/2008EP1980749A1 Electric compressor, and air conditioning system for vehicle, using the electric compressor
10/15/2008EP1979619A1 Vacuum pump unit
10/15/2008EP1979618A1 Multi-step helical screw compressor unit
10/15/2008CN100425842C Compressor
10/14/2008US7435065 Rotary fluid machine having a swinging bushing with a swing center disposed radially inwardly of an annular midline of an annular piston
10/14/2008US7435063 Compressor, method for manufacturing the compressor, defroster of refrigerant circuit, and refrigeration unit
10/14/2008US7435062 Compressor, method for manufacturing the compressor, defroster of refrigerant circuit, and refrigeration unit
10/08/2008CN100424441C Trans-critical refrigerating unit
10/07/2008WO2008081899A1 Multistage compressor
10/02/2008US20080240958 Rotary Fluid Machine
10/01/2008EP1975415A2 Rotary compressor unit and method of controlling operation thereof
10/01/2008EP1975414A2 Injectible two-staged rotary compressor and heat pump system
10/01/2008EP1975413A1 Multi stage rotary compressor
10/01/2008EP1975411A1 Rotor shaft sealing structure of oil-free rotary compressor
10/01/2008EP1975410A1 Rotor shaft sealing method and structure of oil-free rotary compressor
10/01/2008EP1975370A1 Rotary compressor with accumulator and heat pump system
10/01/2008CN101277051A Motor and compressor using the same
10/01/2008CN101275799A Digital controller for scroll compressor condensing unit
10/01/2008CN101275569A Suction mouth hull block of rotation-type compressor
10/01/2008CN101275563A Rotary compressor with accumulator and heat pump system
10/01/2008CN101275562A Rotary compressor
10/01/2008CN100422561C Cooled screw-type vacuum pump
10/01/2008CN100422560C Rotary piston machine for compressible media
09/2008
09/25/2008WO2008114860A1 Multistage compressor
09/25/2008US20080232992 Fluid Machine
09/25/2008US20080232991 Rotary fluid machine
09/24/2008EP1972870A2 Refrigerant cycling device and compressor using the same
09/24/2008EP1972787A2 Rotary compressor with noise silencing chamber.
09/24/2008EP1972786A2 Rotary compressor, car air conditioner and water heater including the compressor
09/24/2008CN101270750A Mechanical vacuum system in grease processing technique
09/23/2008CA2464216C Rotary compressor having two-piece separator plate
09/18/2008US20080226481 Screw Vacuum Pump
09/17/2008EP1970646A1 Refrigerant cycling device and compressor using the same
09/17/2008EP1970645A1 Compressor
09/17/2008EP1970644A1 Compressor with oil accumulator
09/17/2008CN101265904A Highly effective low noise scroll-type compressor for electric automobile
09/17/2008CN100419352C Vortex machine with continuous power regulation
09/17/2008CN100419268C Scroll compressor
09/12/2008WO2008108062A1 Two-stage rotary type expander, expander-integrated compressor, and refrigeration cycle device
09/10/2008EP1967738A1 Compressor
09/10/2008EP1967736A1 Compressor
09/04/2008WO2008105090A1 Rotary compressor
09/04/2008US20080213116 Multi-Stage Rotary Compressor
09/04/2008DE102008008155A1 Rootspumpe Roots pump
09/03/2008EP1965022A1 Rotary fluid machine and refrigerating cycle device
09/03/2008CN101258328A Hermetic compressor with a heat dissipation system
09/02/2008US7419370 Scroll compressor having a position adjustment device urging the movable scroll towards the stationary scroll by moving a seal formed between a support and the movable scroll
09/02/2008US7419369 Displacement type expansion machine and fluid machine
09/02/2008US7418833 Refrigeration Apparatus
09/02/2008CA2473211C Bearing support and stator assembly for compressor
08/2008
08/28/2008WO2008101387A1 A controlling method of a rotary compressor
08/28/2008US20080206072 Vacuum Apparatus
08/28/2008DE102008008683A1 Verbundfluidmaschine Composite fluid machine
08/28/2008CA2678589A1 Flexible impeller pumps for mixing individual components
08/27/2008CN201106527Y Wind energy air compression power device
1 ... 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 ... 63