F04C 18 - Rotary-piston pumps specially adapted for elastic fluids

Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462)
12/2013
12/04/2013	CN103423163A Rotary compressor, and jet refrigeration circulating apparatus comprising it
12/04/2013	CN103423162A Rotary vane compressor
12/04/2013	CN103423161A Vane rotary type gas compressor
12/04/2013	CN103423160A Variable pitch spiral compression machine head of spiral compression-expansion refrigerator
12/04/2013	CN103423159A Screw compressor unit
12/04/2013	CN103423158A Disc air compressor
12/04/2013	CN103423157A 涡旋压缩机 Scroll Compressor
12/04/2013	CN103423156A Scroll compressor and air conditioner applying the scroll compressor
12/04/2013	CN103422981A Star rotary type fluid machine and engine and fluid motor applied to same
12/03/2013	US8597004 Scroll type compressor having an intercommunication path in which a pin member is inserted
11/2013
11/28/2013	WO2013175817A1 Screw compressor
11/28/2013	WO2013175019A2 Improved screw‑type positive displacement machine
11/28/2013	US20130315768 Scroll refrigeration compressor
11/28/2013	US20130315767 Scroll expander
11/28/2013	DE112009004055B4 Zentripetale Pumpstufe und Vakuumpumpe, die eine solche Pumpstufe umfasst Centripetal pump stage and a vacuum pump comprising such a pump stage
11/28/2013	DE10213252B4 Elektrisch angetriebene Kompressoren und Verfahren zum Umlaufenlassen von Schmieröl durch diese Kompressoren Electrically driven compressors and method for circulating lubricating oil through these compressors
11/27/2013	EP2667032A2 Screw compressor unit
11/27/2013	EP2665936A2 Pump with a stator arrangement comprising a first part and a second part
11/27/2013	CN203308712U Variable-pitch double-thread screw vacuum pump
11/27/2013	CN203308711U Double-thread screw vacuum pump
11/27/2013	CN203308710U Roots blower
11/27/2013	CN103415706A Hermetically sealed rotary compressor
11/27/2013	CN103415705A Multistage-compression rotary compressor and compression rotary compressor
11/27/2013	CN103415704A Scroll refrigeration compressor
11/27/2013	CN103415703A Scroll refrigeration compressor
11/27/2013	CN103410732A Rotary-type translation piston compressor
11/27/2013	CN103410731A 旋转压缩机和冷冻循环装置 Rotary compressor and the refrigeration cycle apparatus
11/27/2013	CN103410730A Rolling rotor type compressor
11/27/2013	CN103410729A Horizontal fully-closed two-stage screw refrigeration compressor
11/27/2013	CN102301094B Scroll compressor with back pressure pocket receiving discharge pressure fluid
11/26/2013	US8591210 Scroll compressor having adjustable spacers
11/21/2013	WO2013172144A1 Gas compressor
11/21/2013	WO2013172002A1 Compressor
11/21/2013	US20130309118 Scroll refrigeration compressor
11/21/2013	US20130309117 Compressor having a lower frame and a method of manufacturing the same
11/21/2013	US20130309116 Double rotation type scroll expander and power generation apparatus including same
11/21/2013	DE102004005468B4 Rotationskolbenmaschine Rotary piston engine
11/20/2013	CN203297097U Bilateral oil-free vortex fluid machine device
11/20/2013	CN203297096U One-side oil-free vortex fluid mechanical device
11/20/2013	CN102112748B Self-lubricating screw compressor
11/20/2013	CN101550936B Axial compressor blade retention
11/19/2013	US8585382 Compressor having capacity modulation assembly
11/19/2013	US8585381 Scroll type compressor having an intercommunication path in which a pin member is inserted
11/14/2013	WO2013168430A1 Compressor
11/14/2013	WO2013168194A1 Airtight compressor and heat pump device
11/14/2013	WO2013167843A2 Rotary-piston engine1
11/14/2013	WO2013167605A2 Spindle compressor
11/14/2013	WO2012175349A3 Vane pump
11/14/2013	WO2012175348A3 Vane pump
11/14/2013	US20130302199 Scroll expander
11/14/2013	US20130302198 Scroll refrigeration compressor
11/14/2013	DE19812819B4 Schraubenverdichter mit mechanischer Gleitringwellenabdichtung Screw compressor with mechanical slip ring shaft sealing
11/14/2013	DE102012104045A1 Kältemittelscrollverdichter für Kraftfahrzeugklimaanlagen Refrigerant scroll compressors for motor vehicle air conditioners
11/14/2013	DE102012009418A1 Vacuum pump for direct drive on motor vehicle crankshaft, has working chamber inner wall and orbiter jacket whose in-between working gap is sealed with lubricant in series with lubricated oil as result of orbiter circulation in chamber
11/14/2013	DE102012009416A1 Vacuum pumping device for evacuating vacuum container storing large substrates, has a vacuum container for transferring substrates into adjacent containers of plant and for removing substrates from adjacent containers of plant
11/14/2013	DE102012009103A1 Spindelverdichter Screw compressor
11/13/2013	EP2662570A1 Vacuum pump
11/13/2013	EP2662569A1 Screw compressor having slide valve with flexible volume ratio
11/13/2013	CN203285689U Rolling rotor type compressor
11/13/2013	CN203285686U Diesel oil-powered double-screw air compressor unit
11/13/2013	CN203285685U Scroll compressor
11/13/2013	CN103388581A Anti-reversion assembly and scroll compressor provided with same
11/12/2013	US8579618 Internal gear pump with optimized noise behaviour
11/12/2013	US8579614 Scroll compressor with three discharge valves, and discharge pressure tap to back pressure chamber
11/07/2013	WO2013165990A1 Method and apparatus for scroll alignment
11/07/2013	WO2013165876A2 Positive displacement pump assembly with movable end plate for rotor face clearance control
11/07/2013	US20130294956 Scroll fluid machine
11/07/2013	US20130294951 Electric compressor and assembly method therefor
11/07/2013	US20130294906 Production Tubing and Pump Driver Control Lines Combination for Suspending Progressive Cavity Pump and Pump Driver in a Production Assembly
11/06/2013	EP2660472A1 Compressor
11/06/2013	EP2659145A1 Compressor
11/06/2013	EP2659144A1 Hermetic compressor and manufacturing method thereof
11/06/2013	EP2659143A1 Compressor
11/06/2013	EP2659142A1 Compressor
11/06/2013	CN203278582U Permanent magnet type rotating electrical machine
11/06/2013	CN203272139U 真空泵 Vacuum pump
11/06/2013	CN203272135U Rolling type rotor (piston) type compressor
11/06/2013	CN203272134U Novel rotary compressor
11/06/2013	CN203272133U Power modular slip sheet type air compressor
11/06/2013	CN203272132U Water spraying type double spiral air compressor
11/06/2013	CN203272131U Rotary blower with variable air inlet geometry
11/06/2013	CN103384769A 涡旋压缩机 Scroll Compressor
11/06/2013	CN103382938A A scroll compressor with an unloader assembly
11/06/2013	CN102278308B Screw compressor
11/06/2013	CN102016319B Scroll compressor
11/06/2013	CN101988497B Vortex compressor
11/06/2013	CN101821511B Scroll compressor with scroll deflection compensation
11/06/2013	CN101725526B Scroll compressor and refrigerator having the same
11/06/2013	CN101351646B Screw pump
11/05/2013	US8573955 Scroll compressor with noise reducing discharge opening
10/2013
10/31/2013	WO2013162477A1 A vane mechanism
10/31/2013	WO2013161255A1 Scroll compressor
10/31/2013	US20130287617 Method and apparatus for scroll alignment
10/30/2013	EP2657527A1 Compressor
10/30/2013	EP2654865A1 Nebulizer device
10/30/2013	CN203257681U Minicar air-conditioning compressor
10/30/2013	CN203257679U Hydraulic transmission type screw air compression equipment
10/30/2013	CN203257678U Roots blower
10/30/2013	CN203257677U Roots blower rotor assembling apparatus
10/30/2013	CN203257676U Integrated electric scroll compressor assembly for new energy automobile

1 ... 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 ... 195