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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10/10/2013 | DE102013201482B3 Multi-stage compressor for use in liquid-air separation plant used for production of e.g. liquid oxygen, has jet compressor and turbine that are arranged in respective bypass lines, to recuperate energy contained in compressed medium |
10/10/2013 | DE102012203426B4 Vermeidung von Dauerbetrieb in frequenzumrichtererregten Torsionsresonanzen eines Verdichterstrangs Avoidance of continuous operation in frequenzumrichtererregten torsional resonance of a compressor train |
10/09/2013 | CN203230612U Emergency fan control circuit and electric fan with the same |
10/09/2013 | CN203230611U Multipurpose intelligent air pump |
10/09/2013 | CN203230610U 电风扇 Fan |
10/09/2013 | CN203230609U Efficient fan control circuit based on switch regulator |
10/09/2013 | CN203230608U Monitoring device for service life of fan bearing |
10/09/2013 | CN103344739A On-line Detection system for sulfur hexafluoride gas |
10/09/2013 | CN103343748A Multi-stage centrifugal compressor constant pressure control device based on PLC |
10/09/2013 | CN103343747A Cloth laser cutting device exhaust fan control circuit |
10/09/2013 | CN103343745A Automatic pressure controller of electric pump |
10/08/2013 | US8550768 Method for improving the stall margin of an axial flow compressor using a casing treatment |
10/08/2013 | US8550767 Closed-loop control for a gas turbine with actively stabilized compressor |
10/03/2013 | WO2013102171A3 Blade track assembly, components, and methods |
10/02/2013 | EP2644900A2 Pump system for evacuating of gas from a plurality of chambers and method for controlling the pump system |
10/02/2013 | EP2644839A1 Gas turbine start with frequency converter |
10/02/2013 | EP2643556A1 Coupled outlet vane device/angular adjustment |
10/02/2013 | CN203223407U Air cooling controller of switch cabinet |
10/02/2013 | CN203223406U 风扇系统 Fan system |
10/02/2013 | CN203223405U Intelligent exhaust control system |
10/02/2013 | CN203223404U Frequency converting control system of supercritical unit induced draft fan |
10/02/2013 | CN203223403U Intelligent computer temperature controller based on single-chip microcomputer |
10/02/2013 | CN203223402U Automatic air volume control device of exhaust fan |
10/02/2013 | CN203223401U Three-dimensional wind speed measurement system arranged at outlet of fan |
10/02/2013 | CN203223400U Automobile cooling fan controller with adjustable upper and lower temperature limits |
10/02/2013 | CN203223399U Electric fan capable of automatically adjusting head oscillating range |
10/02/2013 | CN203223398U Livestock raising fan |
10/02/2013 | CN203223392U Angle-adjustable electric fan |
10/02/2013 | CN103339384A Electric motor and electrical apparatus equipped with same |
10/02/2013 | CN103334947A Fan energy saving device of bottle making machine |
10/02/2013 | CN103334946A On-line energy-saving diagnosis control system of steam-driven induced draft fan of heat engine plant |
10/02/2013 | CN103334943A Speed-regulating centrifugal blower |
10/02/2013 | CN103334823A Automobile electronic cooling fan control method and system |
09/25/2013 | CN203215748U Safe and intelligent Chinese food stove |
09/25/2013 | CN203214433U Casing temperature-measuring mechanism of high-temperature centrifugal ventilation fan |
09/25/2013 | CN203214367U Detecting circuit capable of detecting direct current fan motor coil abnormity |
09/25/2013 | CN203214366U Intelligent direct digital control (DDC) system of central air supply station |
09/25/2013 | CN203214365U Wind circulation system for hot oil furnace |
09/25/2013 | CN203214362U Electric fan with adjustable pitch angle |
09/25/2013 | CN203214356U Energy-saving draught fan for digital control machine tool |
09/25/2013 | CN203214355U Free-air electric fan |
09/25/2013 | CN103328825A Liquid-air cooling system |
09/25/2013 | CN103322638A PM 2.5 ventilator device |
09/25/2013 | CN103321962A Centrifugal fan and electronic device including the same |
09/25/2013 | CN103321935A Electric fan controller |
09/25/2013 | CN103321934A System for preventing reverse rotation of large-sized centrifugal compressor |
09/25/2013 | CN103321933A Fan state online monitoring system and method based on advanced reduced instruction-set computer machine (ARM) and ZigBee |
09/25/2013 | CN103321932A 风机 Fans |
09/25/2013 | CN103321931A Sealed adjusting door |
09/25/2013 | CN103321930A Transmission shaft of double-suction fan damper groups |
09/25/2013 | CN103321928A Natural wind simulation device for table electric fan |
09/25/2013 | CN103321819A Supercharging compensation water turbine and cooling system with same |
09/25/2013 | CN102200137B Fan array fan portion in air-handling system and method for supplying air to building |
09/25/2013 | CN101341336B Apparatus for detecting a flammable atmosphere within a compressor, in particular vacuum pump |
09/24/2013 | US8540498 Compressor-expander set critical speed avoidance |
09/24/2013 | CA2719750C System and methods for psa gas separation using centrifugal compressor with high-speed permanent magnet motor |
09/19/2013 | DE10352252B4 Kompressor für eine Turbogruppe Compressor for a turbo set |
09/18/2013 | EP2639411A1 Casing of a turbomachine with a by-passing system |
09/18/2013 | CN203203055U Oil supply and combustion device of automatically controlled methanol and light dydrocarbon combustion machine |
09/18/2013 | CN203201847U Blower surging measuring device |
09/18/2013 | CN203201846U Main fan air electric lock automatic control device |
09/18/2013 | CN203201845U Fan energy-saving controller in modular design |
09/18/2013 | CN203201844U Roadway local fan control device |
09/18/2013 | CN203201843U Prevention and control device for effectively preventing temperature of draught fan auxiliary thrust pad from falsely and excessively rising |
09/18/2013 | CN203201842U Mining intelligent ventilator controller |
09/18/2013 | CN203201839U Novel multifunctional electric fan |
09/18/2013 | CN203201838U Electric fan capable of turning head at 360 degrees |
09/18/2013 | CN203201827U Multi-functional fan |
09/18/2013 | CN203201826U Intelligent inducing fan |
09/18/2013 | CN203201641U 发动机冷却风扇控制系统 Engine cooling fan control system |
09/18/2013 | CN103313572A Temperature control protection device for electric cabinet |
09/18/2013 | CN103309420A Delay startup circuit and fan device with same |
09/18/2013 | CN103307006A Blower air volume adjustment valve |
09/18/2013 | CN102467206B 服务器系统 Server System |
09/18/2013 | CN102037246B Injection of air into the flow path of a turbomachine compressor |
09/18/2013 | CN101990386B Heat dissipation device, electronic device and control method |
09/17/2013 | US8534988 Fan assembly |
09/17/2013 | CA2631776C A motor, a method of operating a motor, and a system including a motor |
09/11/2013 | CN203189303U Intelligent fan |
09/11/2013 | CN203189302U Voice control fan |
09/11/2013 | CN203189301U Overheating protecting device and electronic device with overheating protecting device |
09/11/2013 | CN203189300U Miniature air compressor no-load starter |
09/11/2013 | CN203189299U Frequency-conversion stepless speed-regulation energy-saving system of air conditioning fan |
09/11/2013 | CN203189298U Mine disrotatory partial fan electrical control device |
09/11/2013 | CN103299084A Turbofan engine |
09/11/2013 | CN103291639A Pressure regulating system with high-pressure gas compressor pressure regulating device |
09/11/2013 | CN103291638A Method for protecting standby state of pressurizing machine |
09/11/2013 | CN103291637A Robot peripheral pump with cone pulley |
09/11/2013 | CN103291636A Fan control device, and fan control method and cooling system thereof |
09/11/2013 | CN103291635A Ultra-silence gentle breeze stand type electric fan |
09/11/2013 | CN103291634A Miniature multi-angle rotating fan |
09/11/2013 | CN101784798B Method for detecting a rotating stall fault in a compressor fed by an inverter |
09/10/2013 | US8529189 Linear quadratic regulator control for bleed air system fan air valve |
09/05/2013 | US20130230397 Fan Control Device and Fan Control Method and Cooling System Thereof |
09/05/2013 | DE102012203426A1 Vermeidung von Dauerbetrieb in frequenzumrichtererregten Torsionsresonanzen eines Verdichterstrangs Avoidance of continuous operation in frequenzumrichtererregten torsional resonance of a compressor train |
09/04/2013 | EP2633198A2 System and method for rapid pressurization of a motor/bearing cooling loop for a hermetically sealed motor/compressor system |
09/04/2013 | CN203175926U Intelligent gear-shifting automatic natural wind energy-saving electric fan |
09/04/2013 | CN203175925U Exhaust fan for smoking room |
09/04/2013 | CN203175924U Draught fan control system for SF6 leakage alarm system |
09/04/2013 | CN203175923U Automatic bearing positioning device for electric fan energy efficiency test |