| Patents for F04C 28 - Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids (4,928) |
|---|
| 08/14/2008 | US20080193310 Capacity Varying Type Rotary Compressor and Refrigeration System Having the Same |
| 08/13/2008 | CN201100229Y A compressor and refrigerator with this compressor |
| 08/13/2008 | CN101240396A Alloy and heat protector outer casing using the same |
| 08/07/2008 | WO2008092593A1 Pump, particularly vane pump |
| 08/06/2008 | EP1953388A1 Multistage compressor |
| 08/06/2008 | CN201096090Y Electromagnetic three way valve |
| 08/06/2008 | CN101235816A Intrinsic safe explosion-proof compressor unit and its control method |
| 08/06/2008 | CN101235815A Multistage compressor |
| 08/06/2008 | CN100408860C Automatic regulating mechanism for displacement of rotary blade type compressor |
| 08/06/2008 | CN100408854C Dry type pump and method for reducing generation rate of restarting fault of dry type pump |
| 08/05/2008 | CA2390388C Scroll compressor for natural gas |
| 07/31/2008 | WO2008091977A2 System and method of operation of multiple screw compressors with continuously variable speed to provide noise cancellation |
| 07/30/2008 | EP1950377A1 Electric compressor with inverter |
| 07/30/2008 | CN201092961Y Overturning proof device for colony fan |
| 07/30/2008 | CN100406738C Variable inner volume ratio-type inverter screw compressor |
| 07/24/2008 | WO2008087887A1 Compressor |
| 07/23/2008 | CN101225819A Scroll type compressor |
| 07/23/2008 | CN100404856C Power transmission device, method for manufacturing the same and compressor |
| 07/16/2008 | CN101220813A Compressor and operation method |
| 07/16/2008 | CN100402946C Refrigerating apparatus |
| 07/16/2008 | CN100402859C Gas compressor |
| 07/10/2008 | DE102007001201A1 Verfahren zur Ermittlung von Resonanzfrequenzen eines magnetgelagerten Rotors Procedure for the determination of resonant frequencies of a magnetically levitated rotor |
| 07/09/2008 | CN100400888C Low pressure gas loop for compressor |
| 07/09/2008 | CN100400886C Apparatus for preventing overheating of scroll compressor |
| 07/09/2008 | CN100400884C Vortex compressor with variable volume |
| 07/09/2008 | CN100400883C Apparatus for changing capacity of multi-stage rotary compressor |
| 07/09/2008 | CN100400882C Capacity modulated scroll compressor |
| 07/09/2008 | CN100400878C Unsymmetric porthole of multirotor screw compressor |
| 07/09/2008 | CN100400871C Compressor |
| 07/08/2008 | US7396213 Oil utilized as motor protector trip for scroll compressor |
| 06/25/2008 | EP1936202A2 Vacuum pump |
| 06/25/2008 | EP1934472A1 Slide valve |
| 06/25/2008 | CN101205920A Device for preventing cyclone compressor from superheating |
| 06/25/2008 | CN101205913A Power variable device of scroll compressor |
| 06/25/2008 | CN100396936C Stage regulating method of gas amount in single-screw compressor with plunger solenoid valve |
| 06/25/2008 | CN100396935C Hermetic rotary compressor |
| 06/25/2008 | CN100396931C Vorticity compression pump |
| 06/25/2008 | CN100396929C Compressor and overload protecting apparatus |
| 06/24/2008 | USRE40400 Capacity modulated scroll machine |
| 06/24/2008 | USRE40399 Low charge protection vent |
| 06/24/2008 | US7389649 Cooling system with variable duty cycle capacity control |
| 06/19/2008 | WO2008071243A1 A vacuum pump provided with a device for its deactivation |
| 06/19/2008 | US20080145240 Control System and Method for Protection Against Breakage of Lubricanting-Oil Film in Compressor Bearings |
| 06/19/2008 | DE102006058843A1 Vakuumpumpe Vacuum pump |
| 06/18/2008 | EP1933034A2 Rotary compressor |
| 06/18/2008 | CN101203677A 旋转式真空泵 Rotary vacuum pump |
| 06/18/2008 | CN101201050A Rotary compressor, and car air conditioner and heat pump type water heater using the compressor |
| 06/18/2008 | CN100395954C Motor controlling device, compressor, air conditioner and refrigerator |
| 06/18/2008 | CN100395453C Variable capacity rotary compressor |
| 06/18/2008 | CN100395452C Variable capacity rotation compressor |
| 06/17/2008 | US7387498 System and method for noise attenuation of screw compressors |
| 06/11/2008 | CN201072324Y Lift range measuring apparatus of locating plate of air-conditioner compressor |
| 06/11/2008 | CN201071811Y Digital variable volume rotary compressor |
| 06/11/2008 | CN201071810Y Energy and internal volume rate regulating mechanism of screw compressor |
| 06/11/2008 | CN101196191A Scroll compressor |
| 06/11/2008 | CN100394035C Compressor unit |
| 06/11/2008 | CN100394034C By-pass valve combination of rotary and capacity-variable compressor |
| 06/11/2008 | CN100394033C By-pass valve assembly of rotary and capacity-variable compressor |
| 06/11/2008 | CN100394032C By-pass valve combination of rotary and capacity-variable compressor |
| 06/05/2008 | DE102006016318B4 Schraubenverdichter mit Entlastungsventil Screw compressor relief valve |
| 06/04/2008 | EP1927756A2 Scroll machine |
| 06/04/2008 | EP1927755A2 Scroll machine |
| 06/04/2008 | CN101191486A Rotary compressor, control method thereof, and air conditioner using the same |
| 06/04/2008 | CN101191477A Application of photoelectric oil-level sensor in compressor oil-level monitoring |
| 05/28/2008 | CN201065834Y Double keyway capacity-regulating sliding block of refrigerating compressor |
| 05/28/2008 | CN201065833Y Compressor capacity regulating structure oil cylinder |
| 05/28/2008 | CN201065832Y Capacity regulation structure for compressor |
| 05/28/2008 | CN201065831Y Half-closed screw refrigerating compressor energy regulating mechanism |
| 05/28/2008 | CN100390422C Compressor and dynamic speed limit device |
| 05/28/2008 | CN100390421C Rotary compressor |
| 05/28/2008 | CN100390419C Air compressor |
| 05/27/2008 | CA2314124C Displacement machine for compressible media |
| 05/21/2008 | EP1923571A2 Capacity-variable rotary compressor |
| 05/21/2008 | DE202008003785U1 Schraubenkompressor Screw compressor |
| 05/21/2008 | CN201062604Y Fixing apparatus for refrigeration compressor ventilating temperature controller |
| 05/14/2008 | EP1921320A2 Scroll compressor with vapor injection and unloader port |
| 05/14/2008 | CN201059268Y Refrigeration compressor |
| 05/14/2008 | CN101180467A A control system and method for protection against breakage of lubricant film in compressor bearings. |
| 05/14/2008 | CN101178069A Compressor unit |
| 05/14/2008 | CN100387842C Rotary compressor |
| 05/13/2008 | US7371057 Variable capacity scroll compressor |
| 05/08/2008 | US20080107556 Rotary Compressor |
| 05/07/2008 | EP1917442A1 Apparatus for preventing vacuum of scroll compressor |
| 05/07/2008 | CN201057150Y Overheat protector of scroll compressor |
| 05/07/2008 | CN100386523C Air conditioner |
| 05/07/2008 | CN100386522C Vehicular constant-pressure fully-closed vortex compressor |
| 04/30/2008 | EP1915535A2 Improved device for adjusting the flow rate of a mobile oil- injected screw-type compressor. |
| 04/29/2008 | US7364418 Scroll fluid machine having an adjustment member with a deformable element |
| 04/29/2008 | CA2488874C Compressor with capacity control |
| 04/24/2008 | DE19713197B4 Verfahren zum Betrieb einer Klimaanlage in einem Kraftfahrzeug sowie Klimaanlage mit einem Kältemittelkreis Method for operating an air conditioner in a motor vehicle and air conditioner with a refrigerant circuit |
| 04/23/2008 | CN201050482Y Screw bolt air compressor heat pumping set |
| 04/23/2008 | CN101166902A Pumping system and method of operation |
| 04/23/2008 | CN100383393C Variable capacity rotary compressor |
| 04/23/2008 | CN100383388C Compressor |
| 04/22/2008 | USRE40257 Compressor pulse width modulation |
| 04/16/2008 | EP1910683A1 Remote starter for a pump |
| 04/16/2008 | CN201047348Y Helical lobe compressor oil split stream optimizing valve |
| 04/16/2008 | CN101163888A Oil-injected compressor with a temperature switch |
| 04/16/2008 | CN101163887A System and method for controlling a variable speed compressor during stopping |
| 04/16/2008 | CN101163885A A system and a method for capacity control in a screw compressor |