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 27 - Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
Patents for F04C 27 - Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids (2,516)
09/2010
09/29/2010CN101849108A Compressor sealing arrangement
09/29/2010CN101846074A Scroll compressor
09/23/2010WO2010105296A1 Adjustable mechanical seal
09/23/2010CA2755496A1 Adjustable mechanical seal
09/07/2010US7789641 Rotary blade compressor with eccentric axial biasing
08/2010
08/25/2010CN101815873A A multi stage, clam shell vacuum pump
08/18/2010EP2218914A2 Scroll-type fluid machine
08/12/2010WO2010090854A1 Scroll compressor with back pressure pocket receiving discharge pressure fluid
08/12/2010WO2010090853A1 Scroll compressor with materials to allow run-in
08/11/2010CN101802407A Compressor having improved sealing assembly
08/11/2010CN101413504B Vortex compressor with floating seal and high pressure unloading functions
08/04/2010CN101354038B Novel non-leakage mechanical seal single-stage sliding valve vacuum pump
07/2010
07/29/2010US20100189583 Dry vacuum pump including a lubricating fluid sealing device and a centrifuge element equipping such a device
07/27/2010US7762228 Device-operating module
07/22/2010DE112008002442T5 Verdichter mit einer verbesserten Dichtungsanordnung Compressor with improved sealing arrangement
07/22/2010DE112008002432T5 Verdichter-Dichtungsanordnung Compressor seal assembly
07/21/2010CN101784824A Dry-type vacuum pump comprising a device for sealing against lubricating fluids, and centrifuging element equipping such a device
07/21/2010CN101784754A Spiral-type positive-displacement machine
07/15/2010US20100178189 Rotary expanding or compressing mechanism provided in fluid channel with blades for traversing shaft
07/14/2010CN101187370B Curved sliding vane type rotary compressor
07/01/2010WO2010072526A2 Vacuum pump
07/01/2010DE102008063133A1 Vakuumpumpe Vacuum pump
06/2010
06/30/2010CN101765700A Displacement machine according to the spiral principle having two sides of support structures
06/24/2010US20100158737 Screw compressor
06/24/2010US20100154428 Method and systems for operating a combined cycle power plant
06/17/2010US20100150763 Rotary Pump
06/16/2010EP2195511A1 Spiral-type positive-displacement machine
06/10/2010US20100143173 Dual-plate swash pump
06/09/2010EP2193276A2 A multi stage, clam shell vacuum pump
05/2010
05/26/2010CN1598316B 涡旋压缩机 Scroll Compressor
05/18/2010US7717688 Oil pump for a compressor
05/12/2010EP2183508A1 Dry-type vacuum pump comprising a device for sealing against lubricating fluids, and centrifuging element equipping such a device
05/12/2010EP2183484A1 Fkm or ffkm multiple layers seal
05/12/2010DE102008057548A1 Verfahren zum Betreiben einer ölgedichteten Vakuumpumpe sowie ölgedichtete Vakuumpumpe A method of operating an oil-sealed vacuum pump and oil-sealed vacuum pump
05/12/2010CN201461409U Back pressure cavity sealing structure for turbine-driven compressor
05/12/2010CN1952813B An adaptive tuning controller for refrigerant pressure action member and control method thereof
05/12/2010CN101008321B Improved scroll-type fluid displacement apparatus with fully compliant floating scrolls
05/06/2010US20100111705 Refrigerant compressor
05/05/2010CN1607478B An adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor
05/04/2010US7707987 Hydrogen G-cycle rotary internal combustion engine
04/2010
04/29/2010WO2010047602A1 Integrated pump for compressible fluids
04/29/2010WO2009155109A3 Compressor having capacity modulation system
04/28/2010EP2179138A2 Displacement machine according to the spiral principle
04/22/2010WO2010043202A2 Vacuum pump
04/21/2010EP2177765A2 Scroll compressor and refrigerating machine having the same
04/21/2010EP2177764A1 Scroll fluid machine
04/14/2010EP2175139A2 Pump assembly with pump unit and drive unit with an electric motor with capsulated motor housing
04/14/2010EP2174011A1 Compressor comprising a fluid droplet-atomizing inflow chamber
04/08/2010US20100086427 Scroll compressor
04/06/2010US7690901 Helical screw compressor comprising a cooling jacket
03/2010
03/31/2010EP2169230A2 Cylinder and rotary compressor having the same
03/30/2010US7686600 Vaccum pump having shaft seal to prevent corrosion and to ensure smooth operation
03/25/2010WO2010031359A1 Vacuum pump
03/25/2010US20100074785 Compressor
03/17/2010EP2163766A2 Scroll compressor
03/03/2010CN100593083C Scroll compressor
02/2010
02/18/2010US20100040499 Screw pump rotors and ring seals for screw pump rotors
02/17/2010CN101652569A Displacement machine according to the spiral principle
02/11/2010US20100034682 Scroll compressor with two scrolls
02/02/2010US7654098 Cooling system with variable capacity control
02/02/2010CA2545394C Seal member for scroll compressors
01/2010
01/21/2010US20100015000 Apparatus for simultaneous support of pressurized and unpressurized mechanical shaft sealing barrier fluid systems
01/20/2010CN101629571A Bearing water-proof mechanism of water-cooling single screw compressor
01/07/2010US20100003153 Compressor
12/2009
12/30/2009EP2137412A1 Displacement machine according to the spiral principle
12/30/2009CN100575670C Fluid machine
12/24/2009DE102004058399B4 Pumpe Pump
12/23/2009WO2009155109A2 Compressor having capacity modulation system
12/17/2009WO2009150537A2 Pd pumps with a common gearbox module and varying capacities and varying capacities and easy access to mechanical seals
12/15/2009US7632081 Oil retrieving structure for a compressor
12/10/2009US20090304540 PD Pumps with a Common Gearbox Module and Varying Capacities and Easy Access to Mechanical Seals
12/03/2009DE202009010890U1 Vakuumpumpe Vacuum pump
12/02/2009EP2126314A2 Hydrogen g-cycle rotary internal combustion engine
12/02/2009CN101592151A Screw fluid machinery
12/02/2009CN100565050C Refrigeration system control system for refrigeration system
11/2009
11/26/2009WO2009141097A1 A vane with tilting tips, and a rotary displacement pump using this vane
11/25/2009EP2123915A1 Scroll type fluid machine
11/19/2009US20090285709 Vane pump
11/18/2009EP2118443A1 A rotary device
11/12/2009WO2009090079A3 A displacement pump with a barrier against the fluid leakage
11/12/2009DE102009017037A1 Compressor Compressor
11/10/2009US7614859 Scroll compressor with certain pressure ratio between discharge pressure and suction pressure and with certain ratio of diameter of orbiting mirror plate and outer diameter of the annular seal
11/05/2009WO2009132412A1 Rotor assembly for rotary compressor
10/2009
10/28/2009CN100554696C Roots blower
10/22/2009WO2009127281A1 Vane of a vane pump or a vane compressor
10/21/2009CN201330705Y Mechanical seal structure of Roots vacuum pump
10/07/2009CN201321979Y Scroll compressor with floating seal and high-pressure unloading functions
09/2009
09/30/2009EP2105613A2 Sealed type scroll compressor
09/17/2009US20090232689 Supercharger with outlet bars for rotor tip seal support
09/09/2009CN201306285Y Mechanical sealing piece of Roots vacuum pump
09/03/2009US20090220371 Methods for dimensional restoration of roots type blower rotors, restored rotors, and apparatus having restored rotor
09/02/2009EP2094534A2 Power train unit, method for controlling such a unit and automotive vehicle equipped with such a unit
08/2009
08/25/2009US7578660 Hermetic compressor
08/05/2009CN100523510C Dual volume-ratio scroll machine
08/05/2009CN100523507C Tip seal for scroll fluid machine
08/05/2009CN100523505C Turbo machine having dual volume ratio
07/2009
07/23/2009WO2009091897A1 Scroll compressor with housing shell location
07/23/2009WO2009091890A1 Scroll compressor bodies with scroll tip seals and extended thrust region
07/23/2009WO2009091861A1 Scroll compressor and baffle for same
07/23/2009WO2009090079A2 A displacement pump with a barrier against the fluid leakage
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