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)
11/2012
11/21/2012CN101903659B Screw compressor
11/21/2012CN101835988B 2 stage rotary compressor
11/20/2012DE202011104491U1 Wälzkolbenpumpe Roots
11/15/2012WO2012153521A1 Refrigeration cycle device
11/14/2012EP2522932A1 Refrigeration cycling device and expander installed in same
11/14/2012CN1632317B Compressor with control and protection system
11/14/2012CN101835987B 2 stage rotary compressor
11/14/2012CN101815872B Refrigeration compressor with variable speed spirals
11/07/2012CN101218433B Oil supply method and device for two-stage screw compressor, and method of operating refrigeration device
10/2012
10/31/2012EP2518323A1 Multi-stage vacuum pump
10/31/2012EP2518318A1 Fluid machine
10/31/2012CN102762868A Rotary compressor and refrigeration cycle device
10/25/2012US20120269662 Mounting arrangement for an eccentric shaft in a refrigeration compressor
10/24/2012CN102748289A 双缸旋转式压缩机 Twin rotary compressor
10/24/2012CN101939548B Compressor and freezer
10/18/2012US20120263614 Housingless positive displacement pump assembly
10/17/2012EP2511531A2 Spiral compressor for coolant
10/17/2012CN102734162A Motor-driven compressor
10/17/2012CN102734161A Motor-driven compressor
10/17/2012CN102734160A Motor-driven compressor
10/17/2012CN101135309B Multi-stage rotary compressor and method thereof for setting elimination volume ratio
10/10/2012CN202483880U Two-stage rotary compressor
10/10/2012CN102720675A Low pressure rotary compressor in casing
10/10/2012CN102094823B Cylinder assembly and core-adjusting method for cylinder of double-cylinder rotary compressor
10/10/2012CN101743404B Rotary compressor
10/10/2012CN101576082B 螺旋压缩机 Screw compressor
10/04/2012DE102012204532A1 Kompressor mit Getriebe Compressor with gearbox
10/03/2012EP2505777A2 Motor-driven compressor
10/03/2012EP2505776A2 Motor-driven compressor
10/03/2012EP2505775A2 Motor-driven compressor
10/03/2012CN102705238A Shaft-seal-free series connection-type multi-stage screw compressor
10/03/2012CN102705237A Structure for adjusting volumes of pressure cavities in double-stage compressor and method of structure
09/2012
09/27/2012WO2012127749A1 Scroll compression device
09/27/2012WO2012126137A1 Claw type vacuum pump
09/27/2012DE112010002770T5 Mehrstufige Spiralmaschine Multilevel Spiral machine
09/26/2012EP2501936A2 Method and device for pumping with reduced power use
09/26/2012CN202451425U Compressor
09/26/2012CN102691662A Pump mounting structure
09/26/2012CN102691661A Rotary compressor
09/26/2012CN102691660A Two-stage double-cylinder compressor with high refrigeration performance
09/26/2012CN101238294B Vacuum pump
09/26/2012CN101160467B Rotary fluid machine
09/20/2012US20120237374 Scroll-Type Fluid Machiner
09/20/2012DE102011001394A1 Electrically driven refrigeration compressor for e.g. stationary application in refrigeration apparatus of electromotor-driven motor car in motor car air conditioning field, has main housing comprising bearing dome in axial direction
09/19/2012EP2500517A2 Scroll-type compressor for vehicle
09/19/2012EP2500516A2 Compressor
09/19/2012CN202441604U Frequency conversion type screw air compressor system
09/19/2012CN202441602U Double-rotor rotary sliding sheet compressor
09/19/2012CN202441601U Variable capacity compressor and air conditioner as well as heat pump water heater with the same
09/19/2012CN202441600U Double-rotor variable-volume compressor
09/19/2012CN102684396A Oil-cooled motor for compressor and variable frequency oil-injection screw air compressor employing same
09/19/2012CN102678559A Motor-driven compressor and wiring method for motor-driven compressor
09/19/2012CN102678558A Electric compressor
09/19/2012CN102678557A Electric compressor
09/19/2012CN102678556A Compressor and air charging device
09/19/2012CN102678554A Rotary compressor
09/12/2012EP2497955A1 Heat pump device, two-stage compressor, and method of operating heat pump device
09/12/2012CN202431522U Two-stage dual-cylinder compressor with high refrigeration performance
09/12/2012CN202431521U Two-stage two-cylinder compressor with high refrigeration performance
09/12/2012CN102667354A Air conditioner
09/12/2012CN102667163A Multi-stage vacuum pump
09/06/2012US20120224986 Rotary vane compressor
09/06/2012DE102011015464B4 Vakuumpumpeinrichtung und -verfahren für staubhaltige Gase Vacuum pump means and procedures for dusty gases
09/05/2012CN101598128B Two cylinder rotation type hermetic compressor
08/2012
08/30/2012WO2012113517A1 Device for lubricating a secondary bearing in an electric compressor
08/29/2012CN102650291A Multi-stage compression-type rotation compressor and compression-type rotation compressor
08/22/2012CN202391742U Rotary compressor
08/22/2012CN202391737U Variable-stage compressor
08/22/2012CN102644601A Novel vertical oil-less pump
08/22/2012CN102644598A Gear type air compressor
08/22/2012CN102644597A Double-cylinder rotary compressor
08/22/2012CN102644596A Capacity control type rotary compressor
08/22/2012CN102644595A Rotary type compressor
08/22/2012CN102644594A Double-cylinder type rotary compressor and control method for same
08/22/2012CN102644593A Double-cylinder rotary compressor and control method thereof
08/22/2012CN102644592A Compressor and air-conditioning system with same
08/22/2012CN102022332B Capacity-control type double-cylinder rotary compressor and control method thereof
08/22/2012CN101772649B Two-cylinder rotary type compressor, and refrigerating cycle device
08/09/2012WO2012104934A1 Scroll expander, and refrigeration cycle with the scroll expander
08/09/2012WO2012103925A1 Double internal gear wheel pump
08/08/2012CN102628442A Compressor
07/2012
07/25/2012EP2479436A1 Multistage compressor
07/25/2012CN202348668U Vortex compressor
07/25/2012CN202348667U Improved Roots water ring vacuum set
07/25/2012CN202348666U Improved slide-valve Roots vacuum unit
07/25/2012CN202348665U Modified oil seal type two-stage vacuum pump
07/25/2012CN101809291B Rotary fluid machine
07/19/2012WO2011032042A3 Rotary compressor
07/19/2012US20120183418 Screw compressor
07/18/2012EP1409874B1 Reduced wear rotor and pump comprising same
07/18/2012CN102597524A Heat pump device, two-stage compressor, and method of operating heat pump device
07/18/2012CN102597523A Rotary compressor and refrigeration cycle device
07/18/2012CN102588285A Compressor and air conditioner including same
07/12/2012DE112010003195T5 Abgaswärme- Regenerationssystem Exhaust heat recovery system
07/11/2012EP2474741A2 Scroll compressor having a back pressure adjustment device
07/11/2012EP2473737A2 Soft-start hermetic compressor
07/11/2012CN202334145U 一种电机冷却结构及包括该结构的螺杆压缩机 A motor cooling structure, including the structure and screw compressors
07/11/2012CN202334076U 用于半封闭螺杆式制冷压缩机的电机以及压缩机组 For motor and semi-hermetic screw compressor refrigeration compressor
07/11/2012CN202326245U 一种螺杆压缩机阴拖阳的转子装置 A screw compressor rotor assembly yin yang drag
07/11/2012CN202326244U 旋转式压缩机及空调器 Rotary compressors and air conditioners
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 ... 63