| Patents for F04D 27 - Control, e.g. regulation, of pumps, pumping nstallations or pumping systems specially adapted for elastic fluids (9,590) |
|---|
| 08/19/2009 | CN101509500A Redundant control device of coating main smoke discharging blower fan |
| 08/19/2009 | CN101509499A Method and system for preventing fan from surging |
| 08/19/2009 | CN101509498A Method for optimizing operating parameter of frequency control drive system of direct air cooling blower fan |
| 08/19/2009 | CN100529427C Flow stabilization system for centrifugal compressor |
| 08/19/2009 | CN100529417C Procedue air exhausting device with high adaptability for axial-flow compressor |
| 08/19/2009 | CN100529416C Fan having function for detecting fault in the fan |
| 08/18/2009 | US7575412 Anti-stall casing treatment for turbo compressors |
| 08/13/2009 | WO2009098767A1 Mechanism for reducing noise of electronic apparatus and method for reducing noise |
| 08/13/2009 | WO2009097864A1 Power control |
| 08/13/2009 | US20090202360 High rotational speed vacuum pump |
| 08/13/2009 | DE102008007027A1 Turbolader mit einem Verdichter, welcher zwei Luftkanäle aufweist, zum Regeln einer Zapfluft und zum Abblasen einer Schubumluft Turbocharger with a compressor, which comprises two air channels, for controlling a bleed air and for blowing off a diverter |
| 08/12/2009 | CN101506528A Turbocharger systems and methods for operating the same |
| 08/12/2009 | CN100526654C Fan system and its orderly start module and delayed start unit |
| 08/11/2009 | US7573220 Self calibrating fan |
| 08/11/2009 | US7571617 Fan control apparatus and fan control method |
| 08/06/2009 | WO2009095097A1 Turbocharger comprising a compressor that has two air ducts for regulating bleed air and discharging blow-off air |
| 08/06/2009 | WO2009056987A3 Multi-stage compressor |
| 08/05/2009 | CN101501341A Pump and pump system |
| 08/05/2009 | CN101498314A Fan capable of hoisting wind pressure and flow characteristic |
| 08/05/2009 | CN100523515C Ceiling fan triad control device |
| 08/05/2009 | CN100523438C Method and device for supporting variable bypass valve system |
| 07/30/2009 | WO2009092655A1 Inlet guide vane for a gas compressor |
| 07/30/2009 | WO2009092409A1 Method for regulating a turbomachine |
| 07/30/2009 | US20090191048 Adjustment device |
| 07/29/2009 | EP2083174A1 Inlet guide vane for a gas compressor |
| 07/29/2009 | EP2083173A1 Radial compressor and method of operating a radial compressor |
| 07/29/2009 | EP2083164A2 Aeroengine bleed valve |
| 07/29/2009 | EP2082136A1 Air extraction unit |
| 07/29/2009 | CN101493094A Method and apparatus for prolonging service life of fan disk |
| 07/23/2009 | WO2009089857A1 Fan having a sensor |
| 07/23/2009 | DE102008005354A1 Verfahren zur Regelung einer Strömungsmaschine Method for controlling a turbomachine |
| 07/22/2009 | EP2080908A2 Radial compressor with removal and return of air in the casing |
| 07/22/2009 | CN201277187Y Control circuit for anion temperature control voice fan |
| 07/22/2009 | CN201277186Y Temperature-control electric fan |
| 07/16/2009 | US20090180858 Method to Prevent Brinelling Wear of Slot and Pin Assembly |
| 07/16/2009 | US20090178417 Method and systems for operating turbine engines |
| 07/15/2009 | EP2078864A1 Pipe ventilator |
| 07/15/2009 | EP1421251B1 Cooling fan, in particular for motor vehicles |
| 07/15/2009 | CN101482127A Parallel operation optimizing control method and system of booster fan |
| 07/09/2009 | WO2009086481A1 Instability mitigation system using stator plasma actuators |
| 07/09/2009 | WO2009086480A1 Compressor and gas turbine engine with a plasma actuator |
| 07/09/2009 | WO2009086475A1 Compressor and gas turbine engine with an instability mitigation system |
| 07/09/2009 | WO2009086387A1 Instability mitigation system for a rotor |
| 07/09/2009 | WO2009086358A1 Fan stall detection system |
| 07/09/2009 | WO2009086351A1 Instability mitigation system using rotor plasma actuators |
| 07/09/2009 | WO2009086349A1 Compressor and gas turbine engine with a plasma actuator |
| 07/09/2009 | WO2009085469A1 Method of operating a compressor |
| 07/09/2009 | WO2009083292A1 Swirl-generating apparatus and turbocharger with such a swirl-generating apparatus |
| 07/09/2009 | CA2715206A1 Instability mitigation system using rotor plasma actuators |
| 07/09/2009 | CA2710115A1 Method of operating a compressor |
| 07/09/2009 | CA2710017A1 Plasma enhanced compression system |
| 07/09/2009 | CA2710010A1 Instability mitigation system for a rotor |
| 07/09/2009 | CA2710009A1 Fan stall detection system |
| 07/09/2009 | CA2710007A1 Compressor and gas turbine engine with a plasma actuator |
| 07/09/2009 | CA2710003A1 Instability mitigation system using stator plasma actuators |
| 07/09/2009 | CA2710000A1 Compressor and gas turbine engine with a plasma actuator |
| 07/08/2009 | EP2076724A2 Method and apparatus for controlling the turndown of a compressor for a gaseous hydrocarbon stream |
| 07/08/2009 | CN201269207Y Intelligent clearance type double-fan switching mechanism |
| 07/08/2009 | CN101476567A Apparatus and method for fan auto-detection |
| 07/07/2009 | US7556473 Control unit for compressor |
| 07/02/2009 | US20090169356 Plasma Enhanced Compression System |
| 07/01/2009 | EP1999354B1 Method of operating a gas turbine power plant |
| 07/01/2009 | EP1486673B1 Vacuum pump control device, and vacuum device |
| 07/01/2009 | CN201265542Y 自动调速风扇 Automatic speed fan |
| 07/01/2009 | CN201265541Y Steam-discharging fan control system of energy-saving continuous casting machine |
| 07/01/2009 | CN100507278C Electric blower |
| 06/30/2009 | US7553122 Self-aspirated flow control system for centrifugal compressors |
| 06/25/2009 | US20090162197 Automatic Control System and Method to Minimize Oscillation in Ceiling Fans |
| 06/24/2009 | CN101463828A Main fan monitoring apparatus for coal mine fan |
| 06/24/2009 | CN100504700C Ventilator adjusting circuit with over-temperature signalizing for voltage supply device |
| 06/18/2009 | US20090155094 Cooling fan clutch |
| 06/18/2009 | US20090155042 Multi functional pump for pumping molten metal |
| 06/17/2009 | EP2071192A1 Device for taking an air sample in a turbomachine compressor |
| 06/17/2009 | EP2071130A1 Installation of tubes for pressurising an internal enclosure in a turbomachine |
| 06/11/2009 | WO2009072160A2 High-energy efficiency plant for automotive methane compression |
| 06/11/2009 | WO2009055878A3 Method to avoid instable surge conditions with centrifugal compressors and centrifugal compressors provided with means for automatically applying such a method |
| 06/11/2009 | US20090145376 Control Device for Hydraulically Driven Fan |
| 06/10/2009 | EP2068000A2 Vacuum pump mounting arrangement |
| 06/10/2009 | CN201255132Y Novel remote controller for electric fan |
| 06/10/2009 | CN101454576A Turbo refrigeration device and method of controlling the same |
| 06/10/2009 | CN101451539A Method for controlling the speed of a fan using a measurement of the ambient noise and electronic device implementing the method |
| 06/03/2009 | CN101446295A Method for controlling cooling fan of electronic element and device thereof |
| 05/28/2009 | WO2009065539A1 Fan arrangement |
| 05/28/2009 | US20090136361 Vacuum turbomolecular pump |
| 05/28/2009 | US20090136360 Method of constant airflow control for a ventilation system |
| 05/28/2009 | US20090134823 Multi-level programming of motor for a ventilation system |
| 05/28/2009 | US20090133859 Cooling system, motor vehicle equipped with cooling system, and control method of cooling system |
| 05/28/2009 | DE102008057870A1 Lüfteranordnung Fan assembly |
| 05/27/2009 | CN201246318Y Large power variable-frequency speed regulating system of dredge boat high-pressure water rushing pump |
| 05/27/2009 | CN101443558A Multi-stage compressor, air-separating apparatus comprising such a compressor, and installation |
| 05/27/2009 | CN100491743C Compressor |
| 05/22/2009 | WO2009062793A1 Air bleed in compressor with variable guide vanes |
| 05/22/2009 | WO2009062583A1 Two-stage air compressor |
| 05/22/2009 | WO2009040513A3 Compressor |
| 05/20/2009 | EP2060746A1 Discharge valve in a turbomachine |
| 05/20/2009 | CN201241876Y Large-scale electric fan |
| 05/20/2009 | CN101435431A Rotary speed tracing control method of enameling machine fan |
| 05/20/2009 | CN101435429A Cold-hot dual-purpose electric fan |
| 05/20/2009 | CN101435428A High and low pressure operation double-mode double-cylinder centrifugal type oxygen pressure machine |
| 05/14/2009 | DE102007053948A1 Anlage und Verfahren zur Regelung eines Flüssigkeitsstroms System and method for controlling a flow of liquid |