Patents for F04C 19 - Rotary-piston pumps with fluid ring or the like, specially adapted for elastic fluids (784) |
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04/11/2012 | EP2439412A2 Liquid ring compressors for subsea compression of wet gases |
03/29/2012 | US20120076671 Method of converting liquid ring pumps having sealing liquid vents |
02/09/2012 | WO2012016603A1 Method and installation for filling containers with liquid contents |
01/25/2012 | CN102333958A Liquid ring vacuum pump for degassing plastic melts |
01/05/2012 | DE102010026047A1 Vehicle e.g. passenger car, has vacuum pump i.e. liquid ring pump, for producing low pressure during operation of device by suction of pure gaseous medium i.e. air, where liquid ring pump is driven by electromotor |
01/04/2012 | EP2401504A2 Liquid ring vacuum pump |
01/04/2012 | CN102308096A Liquid ring pump with liner |
12/29/2011 | WO2011090335A3 Fluid pump and fluid-pumping method for same |
12/14/2011 | EP2394060A1 Liquid ring pump with liner |
11/23/2011 | CN102257277A Liquid ring pump with gas scavenge device |
11/23/2011 | CN101490423B Systems and methods for managing fluids using a liquid ring pump |
10/26/2011 | EP2379684A2 Mixtures of hydrophobic and hydrophilic ionic liquids and use thereof in liquid ring compressors |
10/20/2011 | WO2011128502A2 Liquid ring pump and method for operating a liquid ring pump |
10/20/2011 | CA2796169A1 Liquid ring pump and method for operating a liquid ring pump |
10/12/2011 | EP2373892A1 Liquid ring pump with gas scavenge device |
10/06/2011 | US20110243758 Liquid ring pump with gas scavenge device |
08/18/2011 | WO2011100346A2 Efficiency improvements for liquid ring pumps |
08/11/2011 | US20110194950 Efficiency improvements for liquid ring pumps |
07/28/2011 | WO2011090335A2 Fluid pump and fluid-pumping method for same |
07/13/2011 | CN101023270B Method for operating a liquid ring compressor |
06/15/2011 | CN201865917U Water circulation device of water-ring vacuum pump |
06/08/2011 | CN102086871A Cooling device |
06/08/2011 | CN102086868A Chlorine-hydrogen compressor |
06/03/2011 | WO2010072696A9 Mixtures of hydrophobic and hydrophilic ionic liquids and use thereof in liquid ring compressors |
06/02/2011 | US20110129355 Method for Controlling the Vacuum Generator(s) in a Vacuum Sewage System |
06/01/2011 | CN102080658A 封闭式滚动转子压缩机 Hermetic scroll compressor rotor |
05/24/2011 | US7946828 Screw type liquid ring pump with shaft seal arrangement |
05/04/2011 | CN102046252A 液体蒸发器 Liquid Evaporator |
04/28/2011 | WO2010097233A3 Liquid ring vacuum pump |
04/27/2011 | CN102032186A Vertical swirling liquid-ring vacuum pump |
04/20/2011 | CN101349073B Vacuum collecting and discharging system |
04/19/2011 | US7927080 Method for operating a liquid ring compressor |
04/14/2011 | DE102008009647B4 Schlammreaktorpumpe zur gleichzeitigen Förderung von Feststoffen, Flüssigkeiten, Dampfen und Gasen Sludge reactor pump for simultaneous transport of solids, liquids, vapors and gases |
03/09/2011 | EP1846661B1 Ejector pump |
02/02/2011 | CN201730826U Axial double-action type liquid-ring vacuum pump |
02/01/2011 | US7878768 Vacuum pump with wear adjustment |
01/18/2011 | US7871249 Systems and methods for managing fluids using a liquid ring pump |
12/30/2010 | US20100326812 Method and Apparatus for Phase Change Enhancement |
12/29/2010 | WO2010151405A1 Method of converting liquid ring pumps having sealing liquid vents |
12/29/2010 | CA2766385A1 Method of converting liquid ring pumps having sealing liquid vents |
12/09/2010 | WO2010141602A1 Waste water recycling system |
11/24/2010 | CN201650734U Compound corrosion-resistant water-ring type vacuum pump |
11/17/2010 | CN201636007U Magnetic force liquid-ring vacuum pump |
11/10/2010 | CN201627720U Vacuum pumping device |
10/14/2010 | WO2010072696A3 Mixtures of hydrophobic and hydrophilic ionic liquids and use thereof in liquid ring compressors |
10/13/2010 | CN201606248U 液环真空泵中叶轮和分配器之间的结构 Between the impeller and the distributor of liquid ring vacuum pump |
10/07/2010 | DE102010013438A1 Flüssigkeitsringverdichter mit Verdampfungskühlung Liquid ring compressor with evaporative cooling |
10/06/2010 | CN201599195U 高含水量滤油机液环真空泵给排装置 High moisture to drain liquid ring vacuum pump oil filter device |
09/29/2010 | CN101349271B Novel water-ring type vacuum pump |
09/22/2010 | EP2230406A2 Liquid ring gas pump system with a machine foundation made of concrete-like base material |
09/22/2010 | CN201588783U Liquid ring vacuum apparatus with solvent recovery function |
09/14/2010 | US7794211 Pump System with a vacuum source coupled to a separator |
09/02/2010 | WO2010097233A2 Liquid ring vacuum pump for degassing plastic melts |
09/02/2010 | DE102009010702A1 Flüssigkeitsring-Vakuumpumpe Liquid ring vacuum pump |
08/31/2010 | US7785448 Method and apparatus for phase change enhancement |
08/12/2010 | WO2010090639A1 Liquid ring pump with liner |
08/12/2010 | CA2750073A1 Liquid ring pump with liner |
08/04/2010 | CN201539405U Coke oven coal gas hydrogen production water ring type vacuum pump device |
07/01/2010 | WO2010072696A2 Mixtures of hydrophobic and hydrophilic ionic liquids and use thereof in liquid ring compressors |
06/30/2010 | CN101761482A Filling drainage vacuumizing device |
06/24/2010 | WO2010071651A1 Liquid ring pump with gas scavenge device |
06/24/2010 | CA2746949A1 Liquid ring pump with gas scavenge device |
06/23/2010 | CN101749244A Distributing plate of water-ring vacuum pump and processing method thereof |
06/23/2010 | CN101749241A annular compressor |
06/16/2010 | CN101737333A Rotary compressor |
06/16/2010 | CN101737328A rotary compressor |
06/16/2010 | CN101737327A Water-ring vacuum pump |
06/09/2010 | CN101725534A rotary compressor |
06/09/2010 | CN101725532A Vacuumizing device and method |
05/04/2010 | US7707830 Pressurized vapor cycle liquid distillation |
04/21/2010 | CN101696689A Liquid rotary pump and impeller thereof |
03/23/2010 | US7681397 Heat engine |
03/11/2010 | US20100061908 Gs Abatement |
03/03/2010 | CN101658740A Pressurized vapor cycle liquid distillation |
02/03/2010 | CN101639072A Rotary compressor |
01/19/2010 | US7648344 Liquid ring pump |
12/23/2009 | WO2009103256A3 Sludge reactor pump for simultaneously conveying solids, liquids, vapours and gases |
12/23/2009 | CN201368026Y Vacuum plant for charging, filling and discharging |
11/26/2009 | US20090290993 Liquid Ring Compressor |
11/18/2009 | CN201347862Y Water circulating system of water-ring vacuum pump |
10/06/2009 | US7597784 Purification; intakes, vaporization, accumulation, pumping; rotating housing for compression |
09/17/2009 | WO2009112029A1 Liquid evaporator |
09/09/2009 | EP2097647A1 Suction pipe |
09/02/2009 | CN201301810Y 压缩机 Compressor |
09/02/2009 | CN101520048A Single-step cantilever liquid ring pump with dual-function of radial air inlet and exhaust |
08/26/2009 | CN201297255Y Evacuating device |
08/26/2009 | CN100531841C Pressurized vapor cycle liquid distiller |
08/20/2009 | DE102008009647A1 Schlammreaktorpumpe zur gleichzeitigen Förderung von Feststoffen, Flüssigkeiten, Dampfen und Gasen Sludge reactor pump for simultaneous transport of solids, liquids, vapors and gases |
08/19/2009 | EP2090783A2 Mud reactor pump for simultaneous transport of solid material, liquids, steam and gases |
08/12/2009 | CN201288667Y Rotor sealing apparatus for rotary compressor |
07/23/2009 | US20090185918 Fluid Transfer Using Devices with Rotatable Housings |
07/22/2009 | CN101490423A Systems and methods for managing fluids using a liquid ring pump |
07/22/2009 | CN101490422A Systems and methods for managing fluids in a processing environment using a liquid ring pump and reclamation system |
07/21/2009 | US7563075 Liquid ring pump |
07/21/2009 | CA2591490C Oscillating variable displacement ring pump |
07/08/2009 | CN100509115C Device and method for processing discharged air current and a system for pumping vacuum for processing chamber |
06/10/2009 | DE202009004418U1 Flüssigkeitsringverdichter mit Verdampfungskühlung Liquid ring compressor with evaporative cooling |
06/03/2009 | EP1553298B1 Oil pump |
05/27/2009 | CN101440807A Water circulating system of water-ring vacuum pump |
05/20/2009 | CN201241831Y Novel water-ring type vacuum pump |