| Patents for F04D 27 - Control, e.g. regulation, of pumps, pumping nstallations or pumping systems specially adapted for elastic fluids (9,590) |
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| 02/24/2011 | WO2011021291A1 Fan device for wind driven generator and wind driven generator |
| 02/24/2011 | WO2011020941A1 Method and device for predicting the instability of an axial compressor |
| 02/24/2011 | US20110042101 Latching mechanism for changing pump size |
| 02/23/2011 | EP2285469A1 System and methods for psa gas separation using centrifugal compressor with high-speed permanent magnet motor |
| 02/23/2011 | CN201751583U Automobile air-conditioning fan speed regulation device |
| 02/23/2011 | CN101981322A Controller of hydraulically driven fan |
| 02/23/2011 | CN101980760A System and methods for PSA gas separation using centrifugal compressor with high-speed permanent magnet motor |
| 02/17/2011 | WO2011019778A1 Method of controlling a powered air purifying respirator |
| 02/17/2011 | US20110037265 Hollow turbine |
| 02/16/2011 | CN201747650U Air blower frequency-conversion control device used in wheat flour production workshop |
| 02/16/2011 | CN201747649U Adjusting mechanism of breeze ceiling fan |
| 02/16/2011 | CN201747648U Locomotive air pump circuit |
| 02/16/2011 | CN201747647U Driving system of square regulating gate |
| 02/16/2011 | CN201747633U Frequency-converting and speed-regulating local fan |
| 02/16/2011 | CN101978145A Fan drive controlling device and construction machine |
| 02/16/2011 | CN101975184A Energy-saving control method and device of dust removal blower of coke oven |
| 02/16/2011 | CN101975183A Air valve controller of subway |
| 02/16/2011 | CN101975182A Sequential start control method of fans of many kinds of heat generating equipment and application |
| 02/16/2011 | CN101975181A Remote control invisible energy-saving electric fan |
| 02/09/2011 | EP2281108A2 Device for bleeding air from a turbomachine compressor |
| 02/09/2011 | EP1825147B1 Method for operation of a compressor supplied by a power converter |
| 02/09/2011 | CN201740962U Intelligent cooling device of DLP (digital light processing) projector |
| 02/09/2011 | CN201739208U High static pressure air-conditioner blast pipe machine |
| 02/09/2011 | CN201739207U Gas water heater fan control and feedback circuit |
| 02/09/2011 | CN201739203U Electric fan with sound touch |
| 02/09/2011 | CN101968060A Cooler fan automatic control device of lime production line |
| 02/03/2011 | US20110027066 Method of controlling turbine equipment and turbine equipment |
| 02/03/2011 | US20110027061 Method For Braking A Rotor Of A Turbine Engine And A Turning Gear For Driving The Rotor Of A Turbine Engine |
| 02/02/2011 | EP2279351A1 Fluid energy machine |
| 02/02/2011 | CN201730851U Toilet induction exhaust and timing warning device |
| 02/02/2011 | CN201730840U 排风机节能系统 Exhaust fan energy saving system |
| 02/02/2011 | CN101963159A Chaos theory based natural wind simulation device |
| 02/02/2011 | CN101963158A Motor direct coupling type single stage high-speed blower |
| 02/02/2011 | CN101963150A Fan type detection and speed regulation system |
| 02/02/2011 | CN101696697B Intelligent vertical oscillating fan with automatic tracking capability |
| 01/27/2011 | WO2011011338A1 Removable throat mounted inlet guide vane |
| 01/27/2011 | US20110020106 Blade containment structure |
| 01/27/2011 | US20110016890 Cryopump and method of monitoring cryopump |
| 01/26/2011 | EP2276990A2 Integrated fan drive system for air-cooled heat exchanger (ache) |
| 01/26/2011 | EP2179183B1 Improvements in compressors control |
| 01/26/2011 | CN201723482U Circuit module of fan system |
| 01/26/2011 | CN201723467U Negative-pressure fan with good dust-exhausting property |
| 01/26/2011 | CN201723465U Negative-pressure air fan with favorable daylighting performance |
| 01/26/2011 | CN1886559B Cooling system for a blower |
| 01/26/2011 | CN101960152A Compressor unit |
| 01/26/2011 | CN101960148A Ventilation device and electrical equipment in which same is installed |
| 01/26/2011 | CN101956724A Fan drive device and fan system |
| 01/20/2011 | WO2011006736A1 Turbocompressor assembly with a cooling system |
| 01/20/2011 | US20110014072 Non-intrusive vapor detector for magnetic drive pump |
| 01/20/2011 | US20110014028 Compressor cooling for turbine engines |
| 01/20/2011 | US20110011356 Fan Drive Controlling Device and Construction Machine |
| 01/20/2011 | DE112008003472T5 Verdichter und Gasturbinenmaschine mit einem Instabilitätsschutzsystem Compressor and gas turbine engine having an instability mitigation system |
| 01/20/2011 | DE112008003466T5 Instabilitätsschutzsystem für einen Rotor Instability mitigation system for a rotor |
| 01/19/2011 | EP2275687A2 Radial ventilator housing |
| 01/19/2011 | EP1605788B1 Respirator |
| 01/19/2011 | CN201714706U Control circuit of micropower infrared inductive fan |
| 01/19/2011 | CN201714705U Special mechanical speed regulator for electric fan |
| 01/19/2011 | CN201714704U Wind speed adjusting device for ion blower fan |
| 01/19/2011 | CN201714703U Ceiling-fan remote controller and ceiling-fan remote control system |
| 01/19/2011 | CN201714702U Automatic control device for louver of air gathering cylinder type blower |
| 01/19/2011 | CN201714701U Tower fan with improved structure |
| 01/19/2011 | CN201714700U High sensitivity automatic ventilating fan |
| 01/19/2011 | CN201714698U Multi-angle and subregion intelligent fan with controllable wind direction and wind speed |
| 01/19/2011 | CN201714697U Intelligent noise reduction radiator fan |
| 01/19/2011 | CN101949388A Fan |
| 01/19/2011 | CN101201066B Method for controlling number of revolution of fan |
| 01/13/2011 | WO2011005410A1 Multistage compressor installation |
| 01/12/2011 | EP1797335B1 Rapidly rotating vacuum pump |
| 01/12/2011 | CN201705700U Air volume controllable fan |
| 01/12/2011 | CN201705699U Double-power fan sped control circuit structure with noise reduction function |
| 01/12/2011 | CN201705698U Bathroom induction exhaust fan |
| 01/12/2011 | CN101946094A Circulation structure for a turbo compressor |
| 01/12/2011 | CN101946093A Ceiling fan |
| 01/12/2011 | CN101943175A Timed automatic on-off method of fan and timed automatic on-off fan thereof |
| 01/12/2011 | CN101523057B Blower |
| 01/11/2011 | CA2463662C Method for optimizing the operation of a plurality of compressor assemblies of a natural-gas compression station |
| 01/06/2011 | WO2009147241A3 Apparatus for indirect conversion of ocean wave energy into electric energy |
| 01/06/2011 | US20110002783 Ceiling fan |
| 01/06/2011 | US20110002770 Compressor |
| 01/06/2011 | US20110002769 Centrifugal pump for de-watering |
| 01/05/2011 | EP2270321A1 Fan drive controlling device and construction machine |
| 01/05/2011 | EP2269024A1 Efficiency monitoring of a compressor |
| 01/05/2011 | EP2268925A1 Gas turbine compressor |
| 01/05/2011 | EP2268924A1 Vacuum pump |
| 01/05/2011 | CN201696353U Centrifugal double-fan radiator |
| 01/05/2011 | CN201696326U Speed regulation tool of PWM fans |
| 01/05/2011 | CN201696325U Cold and warm switching device of cold and warm fan |
| 01/05/2011 | CN201696324U Induction fan intelligent controller |
| 01/05/2011 | CN201696323U Energy-saving controller of blower and waste heat recovery energy-saving control system |
| 01/05/2011 | CN201696320U Intelligent induced electric fan |
| 01/05/2011 | CN201696318U 红外线感应风扇 Infrared sensing fan |
| 01/05/2011 | CN101936301A Automatic operation control device of tunnel ventilator |
| 01/05/2011 | CN101165354B Fan rotation speed automatic control circuit |
| 12/30/2010 | US20100332272 Method and a system for controlling operation of a wind turbine |
| 12/30/2010 | US20100329852 Circulation structure for a turbo compressor |
| 12/30/2010 | US20100329839 Screw Shaft Turbine Compressor and System |
| 12/29/2010 | WO2010149738A1 Method for predicting a rotation fault in the rotor of a vacuum pump, and associated pumping device |
| 12/29/2010 | WO2010149725A1 Method and device for resetting the control of variable-geometry equipment for a turbomachine |
| 12/29/2010 | WO2010149724A1 Device and method for positioning variable-geometry equipment for a turbomachine, using a relative-measurement jack |
| 12/29/2010 | EP2267314A2 Fan control system with sensors |