| 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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| 12/25/2013 | CN203362568U CPU cooling device |
| 12/25/2013 | CN203362567U Fan operation control system |
| 12/25/2013 | CN203362566U 电风扇电路 Fan circuit |
| 12/25/2013 | CN203362565U Electric fan circuit |
| 12/25/2013 | CN203362551U Air delivery device and charged particle output device |
| 12/25/2013 | CN203362550U Energy-saving adjustable fan system for chemical engineering system |
| 12/25/2013 | CN203362299U Control system of automobile electronic cooling fan |
| 12/25/2013 | CN103477055A Method for eliminating rotating stall in a turbomachine |
| 12/25/2013 | CN103475279A Brake resistor fan control method and device |
| 12/25/2013 | CN103470521A Fan life prediction device |
| 12/25/2013 | CN103470520A Power cabinet air volume adjusting device of high-power power electronic device |
| 12/19/2013 | US20130336760 Fan control method, fan model identification method, and fan control circuit |
| 12/19/2013 | DE10315143C5 Vorrichtung und Verfahren zur Belüftung eines Raumes Apparatus and method for ventilating a space |
| 12/18/2013 | EP2674591A1 Method and system for controlling the supply of compressed air to a pneumatic network, in particular of an aircraft |
| 12/18/2013 | EP2220375B1 Fan arrangement |
| 12/18/2013 | CN203350744U Transformer cooling fan control device |
| 12/18/2013 | CN203348129U Energy-saving low-noise cyclone cluster |
| 12/18/2013 | CN203348128U Centrifugal fan rotating stall control device |
| 12/18/2013 | CN203348127U Equipment cabinet fan detection device |
| 12/18/2013 | CN203348126U Novel high-speed draught fan device of forced smoke discharging type gas water heater with mechanical exhaust |
| 12/18/2013 | CN203348125U Frequency converter capable of adjusting blast capacity of fan |
| 12/18/2013 | CN103457006A Cooling control method, cooling control device and cooling system of energy storage power supply |
| 12/18/2013 | CN103452906A Mechanical fan with rubber fan blades |
| 12/18/2013 | CN103452890A Multistage centrifugal blower and installation method thereof |
| 12/18/2013 | CN103452887A Flow detection sensor and smoke purifying and filtering system with same |
| 12/18/2013 | CN103452886A Intelligent control device of fan |
| 12/18/2013 | CN103452885A Electric lifting control device of fan |
| 12/18/2013 | CN103452884A Roof ventilation machine with automatic smoke exhaust function and automatic air valve size regulation function |
| 12/18/2013 | CN103452883A Variable-speed fan system and control method thereof |
| 12/18/2013 | CN103452875A Perpendicularly rotatable fan |
| 12/18/2013 | CN103452871A Method for implementing gas delivery by using multistage blower |
| 12/18/2013 | CN103452824A Fan and water pump energy saving system adopting minimum power algorithm based on flow-power curve |
| 12/18/2013 | CN102242722B Maglev molecular pump, and control method and manufacturing method thereof |
| 12/17/2013 | US8608428 Submersible centrifugal pump with normal and ejector modes of operation |
| 12/12/2013 | US20130330166 Method for controlling temperature of a turbine engine compressor and compressor of a turbine engine |
| 12/11/2013 | CN203335451U Vertical type excess speed testing device for axial flow fan |
| 12/11/2013 | CN203335450U Fan connecting and disconnecting state detecting module, device and system |
| 12/11/2013 | CN203335449U 智能节能电风扇 Energy Smart Fan |
| 12/11/2013 | CN203335448U Intelligent temperature control device for transmitter fans |
| 12/11/2013 | CN203335447U Automobile cooling fan high-speed gear loop device |
| 12/11/2013 | CN203335446U Electromagnetic fan system detection device |
| 12/11/2013 | CN203335445U Brushless non-inductive fan |
| 12/11/2013 | CN103438014A Intelligent and automatic fan control device |
| 12/11/2013 | CN103438013A Automatic lifting control device of fan |
| 12/11/2013 | CN103438012A Frequency modulation type wind speed control and display system and setting method thereof |
| 12/11/2013 | CN103438011A Tunnel ventilation fan with adjustable speed |
| 12/11/2013 | CN103438010A Portable inspection well blower |
| 12/11/2013 | CN103438009A Box-type inspection well air feeder |
| 12/11/2013 | CN102007299B 真空泵 Vacuum pump |
| 12/11/2013 | CA2818066A1 Control process and regulation system for supplying compressed air to a compressed air network, specifically in an aircraft |
| 12/05/2013 | WO2013180919A1 Anti-surge speed control of a compressor in a vpsa apparatus |
| 12/05/2013 | WO2013180833A1 Compressor thrust bearing surge protection |
| 12/05/2013 | WO2013177862A1 Variable speed fan system and control method thereof |
| 12/05/2013 | US20130323082 Anti-surge speed control |
| 12/04/2013 | EP2668402A1 Variable speed compressor and control system |
| 12/04/2013 | EP2668372A1 Turbine engine stage |
| 12/04/2013 | CN203321856U Sorting machine blower |
| 12/04/2013 | CN203321847U 换气扇 Ventilator |
| 12/04/2013 | CN103429850A Turbine engine stage |
| 12/04/2013 | CN103423190A Parallel operation axial flow primary fan automatic regulating method and device |
| 12/04/2013 | CN103423189A Server fan power consumption measuring method |
| 12/04/2013 | CN103423188A Fan control system and fan controlling method thereof |
| 12/04/2013 | CN103423187A Fan speed controlling system |
| 12/04/2013 | CN103423186A Fan failure detection method and electronic device |
| 12/04/2013 | CN103423185A Fan |
| 12/04/2013 | CN103423184A Power-type fan speed control circuit and fan device |
| 12/04/2013 | CN102261344B Synchronous regulating device of high-speed centrifugal fan outlet guide vane |
| 12/04/2013 | CN102202553B Vacuum cleaner |
| 11/28/2013 | US20130315751 Compact cable suspended pumping system for lubricator deployment |
| 11/28/2013 | US20130315717 Coupled outlet vane device/angular adjustment |
| 11/27/2013 | CN203308757U Fire protection fan control circuit |
| 11/27/2013 | CN203308756U Dynamic intelligent adjusting system for ventilator blade |
| 11/27/2013 | CN203308755U Novel mnemonic fan |
| 11/27/2013 | CN203308754U Safety detection device of large-scale energy-saving fan |
| 11/27/2013 | CN203308753U Direct-current fan controlled by single-chip microcomputer |
| 11/27/2013 | CN203308752U Computer case environment control system based on heat distribution control |
| 11/27/2013 | CN203308749U Intelligent fan |
| 11/27/2013 | CN203308745U Driving circuit and fan |
| 11/27/2013 | CN203308740U Airspeed tubular induced draft fan |
| 11/27/2013 | CN103410763A Cooling system for reactive power compensation device |
| 11/27/2013 | CN103410762A Device and method for controlling centrifugal fan rotating stalling |
| 11/27/2013 | CN103410761A Electric fan |
| 11/27/2013 | CN103410760A Balloon inflating device |
| 11/27/2013 | CN102141049B Collecting and diffusion regulating mechanism of electric fan |
| 11/26/2013 | US8591167 Airflow from a blower with one or more adjustable guide vanes that are affixed to the blower at one or more pivot points located in an outlet of the blower |
| 11/23/2013 | CA2806033A1 Oscillating fan with built-in pull-type control switch |
| 11/21/2013 | WO2013171675A1 Ventilation unit for flow reversal |
| 11/21/2013 | WO2013171245A1 Pump unit, pump unit configuration system and method |
| 11/21/2013 | US20130309101 Electric pump device |
| 11/21/2013 | US20130306639 Trash Receptacle With Vacuum Release Vents |
| 11/20/2013 | EP2663777A1 Turbofan engine |
| 11/20/2013 | EP2493593B1 Device for compressing and drying gas and a method applied thereby. |
| 11/20/2013 | EP1704330B1 Recirculation port |
| 11/20/2013 | CN203297127U Improved data collecting control box and fan electrical performance testing system |
| 11/20/2013 | CN203297126U On-line exhaust fan monitoring and fault diagnosis system based on Internet of Things |
| 11/20/2013 | CN203297125U Pitch angle adjusting structure for electric fan |
| 11/20/2013 | CN203297124U Air exhausting device |
| 11/20/2013 | CN103403481A Separation of a gas mixture |
| 11/20/2013 | CN103398017A Straight condensing car driving blower system and method adopting variable-frequency power generator for speed regulation |
| 11/20/2013 | CN103397916A Blower system speed-governed by power frequency generator and driven by back-pressure small turbine and method |