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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03/13/2013 | CN102966584A Control method of soft starter heat radiation fan |
03/13/2013 | CN102966583A Variable frequency speed regulation device and method of alternating current fan |
03/13/2013 | CN102966582A Method and apparatus for determining change in mass of fan impeller |
03/13/2013 | CN102966579A Pressurizing device using multi-stage flat plate type rotor |
03/13/2013 | CN101663489B Compressor |
03/13/2013 | CN101398009B Gas flow control device |
03/12/2013 | CA2471329C Inflatable compressor bleed valve system |
03/07/2013 | WO2013033502A1 System and method for controlling a variable speed drive of a compressor motor |
03/07/2013 | WO2013029432A1 Method and device for heat dissipating |
03/07/2013 | WO2013009639A3 Supersonic compressor |
03/06/2013 | EP2565465A1 Method and apparatus for determining change in mass of fan impeller |
03/06/2013 | CN202772826U Brushless direct-current motor type air blower control circuit |
03/06/2013 | CN202768451U Wireless remote-control timing system for tunnel ventilation equipment |
03/06/2013 | CN202768450U Gas compressor inlet negative pressure adjusting device with variable diameters |
03/06/2013 | CN202768449U Novel automatic temperature controlling fan |
03/06/2013 | CN202768448U Control device for heat-dissipation fan outside photovoltaic inverter cabinet |
03/06/2013 | CN202768447U Self-starting preventing ceiling fan speed regulator |
03/06/2013 | CN202768446U Static pressure adjustment device |
03/06/2013 | CN202768445U Energy saving electric fan |
03/06/2013 | CN202768435U Box fan |
03/06/2013 | CN202768434U Air bag inflator pump and air passage converter thereof |
03/06/2013 | CN102954045A Method for reducing noise of server fan by adopting active method |
03/06/2013 | CN102954022A Fan control circuit |
03/06/2013 | CN102954021A System and method for controlling fans |
03/06/2013 | CN102954020A Air blower with air inlet angle adjustable |
03/06/2013 | CN102954019A Fan speed regulating device |
03/06/2013 | CN102954013A Fan with rotational speed adjusting function |
03/06/2013 | CN102953745A High-efficiency energy-saving mine multi-stage fan station ventilation monitoring technology system |
03/06/2013 | CN102014593B Water-cooled cabinet |
03/06/2013 | CN101975182B Sequential start control method of fans of many kinds of heat generating equipment and application |
02/28/2013 | US20130051976 Flow control module for a turbomachine |
02/28/2013 | US20130051974 Gas turbine engines and methods for cooling components thereof with mid-impeller bleed cooling air |
02/27/2013 | EP2561233A2 Method for controlling a compressor |
02/27/2013 | EP2505845A9 Method for improving sensorless flow rate estimation accuracy of pump driven with frequency converter |
02/27/2013 | CN202759733U A heat dissipating device using a fan |
02/27/2013 | CN202758197U Dual-speed smoke evacuation dual-power supply intelligent protection and control device |
02/27/2013 | CN202756267U Tool for preventing blades of air cooling fan from self revolving |
02/27/2013 | CN202756266U Ventilator synchronizing transmission device |
02/27/2013 | CN202756265U Energy-saving control device of axial flow compressor |
02/27/2013 | CN202756264U Hydraulic pressure top extending device of timber fiber drying fan ventilation door |
02/27/2013 | CN202756074U Automobile fan device |
02/27/2013 | CN202755429U Intelligent ventilating and deodorizing control system of public toilet |
02/27/2013 | CN102943768A Fan control circuit |
02/27/2013 | CN102943767A Structure and method for detecting circuit of radiating fan |
02/27/2013 | CN102943765A Voice control electric fan |
02/27/2013 | CN102943747A Heat radiation and ventilation device of mechanical brake of wind generating unit |
02/27/2013 | CN101815875B Improvements in compressor control |
02/21/2013 | US20130045076 Compressor control method and system |
02/20/2013 | CN202746261U Air blower for imitating vehicle running environment |
02/20/2013 | CN202746252U Fan monitoring and automatic switching system |
02/20/2013 | CN202746251U Wireless intelligent control system of mobile draught fan |
02/20/2013 | CN202746250U Forward and reversed rotation device of condensing fan |
02/20/2013 | CN202746249U Smoke exhaust fan control box |
02/20/2013 | CN202746248U Ventilator comprehensive tester |
02/20/2013 | CN202746247U Gas concentration automatic reducer |
02/20/2013 | CN202746246U Driving control structure of bionic electric fan |
02/20/2013 | CN202746235U Fan |
02/20/2013 | CN202746231U Fan component |
02/20/2013 | CN202746217U Non-storage battery type self-cooling photovoltaic pumping system |
02/20/2013 | CN102937107A Sliding button type swing-angle-adjustable structure comprising crank and rocker |
02/20/2013 | CN102937105A Automatic electric fan |
02/20/2013 | CN102937104A Turbine compressor test system |
02/20/2013 | CN101839251B Automatic-speed-regulation energy-saving control system for shaft hoisting cooling fan |
02/19/2013 | US8376686 Water turbines with mixers and ejectors |
02/19/2013 | CA2693158C Method and system for fluid transmission along significant distances |
02/14/2013 | WO2013020689A1 Rotation-speed-controlled fan with control of the power consumption of the electric motor |
02/14/2013 | US20130039741 Compression apparatus |
02/14/2013 | US20130039737 Method for controlling a compressor |
02/14/2013 | US20130037245 Piezoelectric fan and air cooling apparatus using the piezoelectric fan |
02/13/2013 | EP2556258A1 Fc fan flow measurement system |
02/13/2013 | CN202732432U Bypass air flue control loop used for preventing vibration of low load of thermal power plant axial flow fan |
02/13/2013 | CN202732419U Voice-controlled electric fan governor for disabled person without hands |
02/13/2013 | CN202732418U Exhaust fan speed regulator |
02/13/2013 | CN202732417U Stepless variable-speed temperature-control fan circuit |
02/13/2013 | CN202732416U Intelligent energy saving cabinet for draught fan |
02/13/2013 | CN202732415U Draught fan speed regulation device for vertical alloy smelter |
02/13/2013 | CN202732414U Intelligent exhaust fan controller with combustible harmful gas detection |
02/13/2013 | CN202732413U Fan controller provided with music |
02/13/2013 | CN202732412U Fan impeller load testboard |
02/13/2013 | CN202732411U Exhaust fan with bluetooth controller |
02/13/2013 | CN202732410U Controller special for smart fan |
02/13/2013 | CN202732409U Intelligent controller special for energy-saving fan |
02/13/2013 | CN202732408U Control module of bladeless fan |
02/13/2013 | CN202732407U Electric fan controller |
02/13/2013 | CN202732406U Automatically turned-on exhaust fan |
02/13/2013 | CN202732405U Induction fan |
02/13/2013 | CN202732404U Induction exhaust fan |
02/13/2013 | CN202732403U Electric fan electronic speed regulator |
02/13/2013 | CN202732402U Fan control system and blade server cabinet |
02/13/2013 | CN202732389U Safety helmet fan |
02/13/2013 | CN102933854A FC fan flow measurement system |
02/13/2013 | CN102927031A 排气扇转速控制器 Fan speed controller |
02/13/2013 | CN102927030A Air speed regulating device of computer heat-removal fan |
02/13/2013 | CN102927029A Steering control device and electric fan |
02/13/2013 | CN102927028A Mode control device and electric fan |
02/13/2013 | CN102927027A Reverse flow protective method for blast furnace blower |
02/13/2013 | CN102927026A Fan control circuit |
02/13/2013 | CN102927025A 风扇系统 Fan system |
02/13/2013 | CN102927022A Angle-variable fan |
02/13/2013 | CN102032786B Method and system for adjusting two large flues of sintering machine |