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

Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462)
10/2007
10/17/2007	CN100343526C Vortex compressor and manufacture thereof
10/17/2007	CN100343525C Power supplier of compressor
10/17/2007	CN100343524C Outlet pipe connecting structure of vortex compressor
10/17/2007	CN100343523C Vortex compressor
10/17/2007	CN100343522C Variable capacity scroll compressor
10/17/2007	CN100343521C Variable capacity scroll compressor
10/17/2007	CN100343520C Variable capacity scroll compressor
10/17/2007	CN100343519C Variable capacity scroll compressor
10/17/2007	CN100343518C 多气缸压缩机 Multi-cylinder compressor
10/17/2007	CN100343517C Static vortex pan of vortex compressor
10/16/2007	US7281913 Compressor including integrally formed separation tube and seal bolt
10/16/2007	US7281912 Compressor having a safety device being built in at least one of the screw plugs of the oil-separator
10/16/2007	US7281910 Motor driven compressor
10/16/2007	US7281907 Offset mounting foot
10/11/2007	WO2007114582A1 Backflow preventing apparatus for compressor
10/11/2007	WO2007114531A1 Apparatus for preventing vacuum of scroll compressor
10/11/2007	US20070237664 Backflow preventing apparatus for compressor
10/11/2007	DE102006016317A1 Verdichteranordnung mit einer Ventileinheit im Ansaugbereich Compressor assembly with a valve in the suction unit
10/11/2007	DE102005052623B4 Kompressor Compressor
10/10/2007	CN200958477Y Oil-free vortex vacuum pump
10/10/2007	CN101052808A Capacity varying type rotary compressor
10/10/2007	CN101052807A Scroll-type fluid machine
10/10/2007	CN101050767A Double cylinder closed rotary compressor and refrigerating air-conditioning device
10/10/2007	CN100342140C 卧式旋转压缩机 Horizontal rotary compressor
10/10/2007	CN100342139C 可变容量旋转压缩机 The variable capacity rotary compressor
10/10/2007	CN100342138C 可变容量旋转压缩机 The variable capacity rotary compressor
10/09/2007	US7278839 Multi-stage vacuum pump
10/09/2007	US7278833 Hybrid compressor
10/09/2007	US7278832 Scroll compressor with enlarged vapor injection port area
10/04/2007	WO2007111903A1 Scroll machine using floating seal with backer
10/04/2007	WO2007019017A3 Reversible valving system for use in pumps and compressing devices
10/03/2007	EP1840377A2 Scroll fluid machine
10/03/2007	EP1840326A1 Scroll fluid machine
10/03/2007	EP1838965A1 Multi-shaft vacuum pump with circular transaltion cycle
10/03/2007	CN200955503Y Low-noise, low-flow-resistance frequency variable screw type refrigeration compressor
10/03/2007	CN200955502Y Displacement-variable control device for vortex compressor
10/03/2007	CN200955500Y Vacuum pump rotating-piece
10/03/2007	CN200955499Y Oil cooling device matched with screw type refrigeration compressor
10/03/2007	CN200955440Y Tetragonal rotor engine
10/03/2007	CN101046205A Spiral fluid machine
10/03/2007	CN101046204A Scroll machine using floating seal with backer
10/03/2007	CN101046203A 涡旋流体机 Scroll fluid machine
10/03/2007	CN101046202A Floating sealer and the compressor therewith
10/03/2007	CN101046201A Scroll fluid machine
10/03/2007	CN101046200A Displacement type compressor
10/03/2007	CN100340826C System utilizing waste heat of internal combustion engine
10/03/2007	CN100340773C Internal heat exchanging vortex mechanism
10/03/2007	CN100340772C Scroll fluid machine
10/03/2007	CN100340770C Control method for exhaust temp of oil spraying rotary compressor
10/03/2007	CN100340769C Double-screw compressor for high pressure system
10/03/2007	CN100340768C Vortex compressor
10/03/2007	CN100340767C Vortex compressor
10/02/2007	US7275921 Pumps
10/02/2007	US7275920 Rotary piston machine
09/2007
09/27/2007	US20070224073 Rotary Fluid Machine
09/27/2007	US20070224065 Coat Pump Assembly
09/27/2007	DE102007012041A1 Gaskompressionsmodul für eine Brennstoffzelle Gas compression module for a fuel cell
09/26/2007	EP1837526A2 Scroll compressor
09/26/2007	EP1837525A2 Scroll fluid machine
09/26/2007	CN200952472Y Round side bevel rotor pump
09/26/2007	CN200952470Y Tooth shape screw
09/26/2007	CN101044321A Muffler installation structure for compressor
09/26/2007	CN101042140A Three-way electromagnetical valve
09/26/2007	CN101042139A 涡旋压缩机 Scroll Compressor
09/26/2007	CN101042138A Scroll fluid machine
09/26/2007	CN101042137A Equal wall thickness high compression ratio cyclone compressor
09/26/2007	CN101042136A Wall thickness changing high compression ratio cyclone compressor
09/26/2007	CN101042135A 涡旋式压缩机 Scroll compressor
09/26/2007	CN100339599C Apparatus for decreasing vortex compressor noise
09/26/2007	CN100339598C Oil seal device of roots blower
09/26/2007	CN100339597C Closed compressor
09/26/2007	CN100339565C Scroll-type expander having heating structure and scroll-type heat exchange system employing the expander
09/25/2007	US7273361 Coupling structure of eccentric bush of scroll compressor
09/20/2007	WO2007106090A1 Slide valve with hot gas bypass port
09/20/2007	DE102006016242B3 Rotor pump has stator formed by metal band which forms part of pump housing, and metal band is circular element inserted into housing and ring is open
09/19/2007	EP1835180A2 Scroll fluid machine
09/19/2007	EP1834685A2 Compressor systems for use with smokeless lubricant
09/19/2007	EP1833622A1 Method for cleaning a vacuum screw-type pump
09/19/2007	CN200949526Y Sealing device of vortex compressor
09/19/2007	CN200949525Y Rotary vane air conditioning compressor for vehicle
09/19/2007	CN101039047A Permanent magnet type rotary electric machine and compressor using it
09/19/2007	CN101037997A Scroll fluid machine
09/19/2007	CN101037996A Bypass device for scroll compressor
09/19/2007	CN101037995A 涡旋压缩机 Scroll Compressor
09/19/2007	CN100338408C Injection of liquid and vapor refrigerant through economizer ports
09/19/2007	CN100338364C 变容旋转压缩机 Variable capacity rotary compressor
09/18/2007	US7270106 Free-planetary gear moderated nutating (athena) engine
09/18/2007	CA2293618C Screw spindle vacuum pump and operating method
09/13/2007	WO2007101314A1 Reservoir for a replacement fluid for a device and a device, together with an oil separator fitted with such a reservoir
09/13/2007	US20070212247 Method of generation of surgeless flow of the working fluid and a device for its implementation
09/13/2007	US20070212244 Scroll Compressor
09/13/2007	US20070209632 Rotary-piston engine and vehicle comprising an engine of this type
09/12/2007	EP1832751A1 Kneading and displacing method and mechanism for fluid machinery and the use
09/12/2007	EP1831571A1 Magnetic trap for ferrous contaminants in lubricant
09/12/2007	CN200946743Y Automatic leveling adjustment device of air conditioner compressor of airport corridor bridge
09/12/2007	CN101035987A Scroll pump with controlled axial thermal expansion
09/12/2007	CN101035982A Lubrication system for compressor
09/12/2007	CN101033747A Pawl-type dry vacuum pump rotor
09/12/2007	CN101033746A 涡卷压缩机 Scroll compressor
09/12/2007	CN100337239C Analyzing system of exposuring device, analyzing method, and program, and semiconductor element mfg. method

1 ... 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 ... 195