| Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462) |
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| 04/17/2013 | CN102062092B Single-stage medium-pressure single-screw air compressor |
| 04/16/2013 | US8419397 Screw compressor |
| 04/11/2013 | WO2013051788A1 Scroll compressor with supporting member in axial direction |
| 04/11/2013 | WO2013051340A1 Scroll compressor |
| 04/11/2013 | WO2013051271A1 Refrigeration device |
| 04/11/2013 | WO2012030741A3 Compressor with liquid injection cooling |
| 04/11/2013 | WO2012007125A3 Vane pump |
| 04/11/2013 | US20130089449 Scroll compressor with bypass hole |
| 04/11/2013 | DE112011101871T5 Scroll-Kälteverdichter Scroll refrigeration compressor |
| 04/11/2013 | DE102011089528B3 Pump for pumping air used in motor vehicle, has pump casings and internally toothed external rotor located in pump housing, where external rotor is mounted at external side of radial bearings, and inner rotor is engaged with external rotor |
| 04/11/2013 | DE10083436B4 Pumpe für ein flüssiges oder gasförmiges Medium Pump for a liquid or gaseous medium |
| 04/10/2013 | EP2578887A1 Compressor |
| 04/10/2013 | EP2578886A1 Scroll compressor and air conditioner including the same |
| 04/10/2013 | EP2578885A1 Scroll compressor and air conditioner including the same |
| 04/10/2013 | EP2578884A1 Scroll compressor and method for processing discharge port in same |
| 04/10/2013 | EP2578799A2 Scroll compressor with Oldham ring |
| 04/10/2013 | EP2576985A2 Gas pump with reduced noise generation |
| 04/10/2013 | CN202867226U End cover structure of roots vacuum pump |
| 04/10/2013 | CN202867219U Trilobal roots vacuum pump with magnetic transmission gear |
| 04/10/2013 | CN202867218U Roots vacuum pump with magnetic transmission gear |
| 04/10/2013 | CN202867215U Compressor |
| 04/10/2013 | CN202867214U Rotary compressor and coolant circulating system with same |
| 04/10/2013 | CN202867213U Screw type helium compressor |
| 04/10/2013 | CN202867212U Hollow roots pump rotor |
| 04/10/2013 | CN103038514A Vane compressor |
| 04/10/2013 | CN103038513A Vane pump |
| 04/10/2013 | CN103038512A System for constructing rotary compressors and motors with dynamically variable volumetric displacement and compression rate |
| 04/10/2013 | CN103032329A 涡旋式压缩机 Scroll compressor |
| 04/10/2013 | CN103032327A Water-lubricating single-screw air compressor |
| 04/10/2013 | CN103032326A Vane rotary compressor |
| 04/10/2013 | CN103032325A 螺杆压缩机 Screw compressors |
| 04/10/2013 | CN103032324A Screw compressor |
| 04/10/2013 | CN103032323A Scroll compressor with oldham ring |
| 04/10/2013 | CN103032322A Direct-suction compressor |
| 04/10/2013 | CN103032321A Scroll compressor and air conditioner including the same |
| 04/10/2013 | CN103032320A Scroll fluid displacement device with pressure-stabilization back pressure chamber |
| 04/10/2013 | CN103032319A Oil-free and micro-oil scroll fluid displacement device |
| 04/10/2013 | CN103032318A Bracket for scroll compressor and scroll compressor |
| 04/10/2013 | CN103032317A Scroll compressor and coupling therefor |
| 04/10/2013 | CN103032316A Scroll compressor and coupling therefor |
| 04/10/2013 | CN103032315A Scroll compressor and coupling therefor |
| 04/10/2013 | CN103032314A Scroll disk unit for scroll compressor and scroll compressor |
| 04/10/2013 | CN102072159B Oil line structure of automotive air conditioning scroll compressor |
| 04/10/2013 | CN102003390B Vortex compressor |
| 04/10/2013 | CN101975167B Compressor control system |
| 04/10/2013 | CN101965438B Scroll compressor build assembly |
| 04/10/2013 | CN101925745B Screw compressor |
| 04/10/2013 | CN101910641B Screw compressor |
| 04/10/2013 | CN101737320B Method for designing internal-rotation constant-pressure pump |
| 04/10/2013 | CN101684815B Secondary rotary compressor |
| 04/10/2013 | CN101482113B Scroll compressor with device to limit orbit radius |
| 04/04/2013 | WO2013048840A1 Direct-suction compressor |
| 04/04/2013 | WO2013047064A1 Compressor |
| 04/04/2013 | WO2013047063A1 Compressor |
| 04/04/2013 | WO2013046852A1 Claw pump |
| 04/04/2013 | WO2013046694A1 Scroll compressor |
| 04/04/2013 | WO2013046692A1 Scroll compressor |
| 04/04/2013 | WO2013046632A1 Compressor |
| 04/04/2013 | WO2012004762A3 Pump with a vane rotor |
| 04/04/2013 | US20130084202 Vane rotary compressor |
| 04/04/2013 | US20130081425 Scroll compressor and air conditioner including the same |
| 04/04/2013 | DE112005002722B4 Spiral-Fluidmaschine A scroll fluid machine |
| 04/03/2013 | EP2574791A2 Scroll compressor |
| 04/03/2013 | CN202851357U Roots vacuum pump |
| 04/03/2013 | CN202851354U Multilevel floating vortex vacuum pump |
| 04/03/2013 | CN202851353U Heat pump type compressor of electric automobile air conditioner |
| 04/03/2013 | CN103026071A Hermetically sealed compressor |
| 04/03/2013 | CN103017391A Airborne evaporation circulatory system of displacement compressor under high overload conditions |
| 04/03/2013 | CN103016346A Electric compressor assembly for automobile air conditioner |
| 04/03/2013 | CN103016345A Scroll machine |
| 04/03/2013 | CN103016344A Scroll machine |
| 04/03/2013 | CN103016343A Compressor including biasing passage located relative to bypass porting |
| 04/03/2013 | CN103016342A Scroll compressor |
| 04/03/2013 | CN103016341A Scroll compressor |
| 04/03/2013 | CN101649836B Single screw mechanism used by single screw compressor with stream guidance spiral groove |
| 04/03/2013 | CN101441006B Cooling unit and compressor |
| 04/02/2013 | US8408179 Rotary piston combustion engine |
| 03/28/2013 | WO2013043692A1 Compressor including biasing passage located relative to bypass porting |
| 03/28/2013 | WO2013042527A1 Compressor |
| 03/28/2013 | WO2013042368A1 Scroll compressor |
| 03/28/2013 | WO2013042169A1 Horizontal scroll compressor |
| 03/28/2013 | WO2013040966A1 Compresser, engine or pump with piston translating along circular path |
| 03/28/2013 | US20130078128 Compressor including biasing passage located relative to bypass porting |
| 03/28/2013 | DE102009035000B4 Flügelzellenmaschine Vane machine |
| 03/27/2013 | EP2573393A2 Compressor Bearing and Compressor Component |
| 03/27/2013 | CN202833177U Current transformer for vortex compressor and vortex compressor |
| 03/27/2013 | CN202833174U Sandwich type multi-functional bearing seat for Roots blower |
| 03/27/2013 | CN202833173U Sliding valve, sliding valve adjusting mechanism and screw compressor |
| 03/27/2013 | CN202833169U Rotating compressor |
| 03/27/2013 | CN202833167U Compressor |
| 03/27/2013 | CN202833164U Rotary-type compressor and cylinder body component thereof |
| 03/27/2013 | CN202833163U Rotating compressor |
| 03/27/2013 | CN202833162U Rotary roll sleeve type air compressor |
| 03/27/2013 | CN202833161U Twin-screw compressor |
| 03/27/2013 | CN202833160U Rotor tooth profile of screw compressor |
| 03/27/2013 | CN202833159U Air compressor with small volume |
| 03/27/2013 | CN1892034B Two stage type screw compressor |
| 03/27/2013 | CN103003569A Device for damping sloshing of oil for a screw-type compressor |
| 03/27/2013 | CN102996451A Open type double-screw compressor |
| 03/27/2013 | CN102996450A Semi-enclosed double-screw compressor |