Patents
Patents for F04D 27 - Control, e.g. regulation, of pumps, pumping nstallations or pumping systems specially adapted for elastic fluids (9,590)
04/2013
04/03/2013CN103016368A A novel air-conditioning ceiling fan and a cooling method using the ceiling fan
04/03/2013CN103016363A Centrifugal compressor and control method thereof
04/03/2013CN103014329A Control method of annular cooling air blower
04/03/2013CN101372984B 风扇系统及马达控制装置 Fan system and the motor control device
04/02/2013US8408866 Apparatus and method for cooling a turbine airfoil arrangement in a gas turbine engine
04/02/2013CA2665492C High capacity chiller compressor
03/2013
03/28/2013WO2013009643A3 Supersonic compressor
03/28/2013DE102011055432B3 Verfahren und Einrichtung zum Betreiben eines Lüfters über ein pulsweitenmoduliertes Signal eines Vorschaltgeräts Method and apparatus for operating a fan via a pulse width modulated signal of a ballast
03/27/2013EP2573404A1 Deposit detection device for exhaust pump, and exhaust pump provided with the device
03/27/2013EP2572091A1 Control device for a turbocharged internal combustion engine
03/27/2013CN202833336U Novel fan filter units
03/27/2013CN202833322U Synchronous adjusting device of high-speed centrifugal fan inlet guide blades
03/27/2013CN202833260U Vertical fan with adjustable rotation angle
03/27/2013CN202833245U Control panel for adjusting speed
03/27/2013CN202833244U Fan capable of automatically adjusting speed and following people
03/27/2013CN202833243U Speed adjustment controller of vehicle air conditioner fan
03/27/2013CN202833242U Exhaust fan capable of being remotely controlled
03/27/2013CN202833241U Forward-and-reverse rotation control circuit for cooling fan
03/27/2013CN202833240U Case fan control system based on field programmable gate array (FPGA)
03/27/2013CN202833239U PWM controller of two-blower cooling fan for automobile engine
03/27/2013CN202833238U Column type fan capable of detecting human body
03/27/2013CN202833217U Electric fan capable of intelligently tracing user
03/27/2013CN202833211U Energy-saving ventilator provided with automatic detection function
03/27/2013CN202833210U Inducted draft fan driven by direct current motor
03/27/2013CN202833206U Intelligent type spraying axial flow fan
03/27/2013CN103002713A Integrated fan motor and controller housing
03/27/2013CN102999063A Automatic temperature control radiator for case of high-speed digital signal processing platform
03/27/2013CN102996488A Exhaust fan timing controller
03/27/2013CN102996487A Device for adjusting rotation speeds of fan
03/27/2013CN102996486A Fan control device
03/27/2013CN102996485A Isolation characteristic speed regulation circuit of electronic control type fan of outer rotor and speed regulation method
03/27/2013CN102996484A Electric fan device
03/27/2013CN102996483A Automatic dust removing fan device and dust removing method for same
03/27/2013CN102996482A Method and device for detecting states of multiple fans
03/27/2013CN102996481A Cooling device and cooling method
03/27/2013CN102996479A Adjustable-oscillating-angle mechanism for fan
03/27/2013CN101929476B Fan rotating speed control circuit and fan device
03/27/2013CN101546202B Information processing apparatus and method of controlling cooling fan
03/21/2013WO2013037104A1 Stability control method, device and system for pumping truck and pumping truck having the system
03/21/2013WO2013009642A3 Stator for supersonic compressor
03/21/2013US20130071261 Method of detecting safety of water heater
03/21/2013DE10325405B4 Einrichtung zum Betreiben einer Kompressionskälteanlage mit Wasser als Kältemittel Apparatus for operating a compression refrigeration system with water as the refrigerant
03/21/2013CA2848466A1 Method for monitoring the volumetric efficiency of an hp pump of a turbomachine hydraulic regulation system
03/20/2013EP2569543A1 Surge control of a plurality of compressors arranged in series
03/20/2013CN202818207U Motor driving device and fan device having rotating speed limiting function
03/20/2013CN202815646U Intelligent power supply control device for data communication chip and communication equipment
03/20/2013CN202812046U Stepless speed regulating device and fan clutch and water pump using same
03/20/2013CN202811514U Tower-type electric fan provided with light-emitting diode (LED) lamp
03/20/2013CN202811454U Electrical apparatus head swing structure
03/20/2013CN202811444U Environment-friendly dust-cleaning device energy-saving device of iron alloy smelting furnace
03/20/2013CN202811443U Dust removal fan control system for steel plant
03/20/2013CN202811442U Environment-friendly dust removal fan control system for steel plant
03/20/2013CN202811441U Control system of woodworking environmentally-friendly dust removing fan
03/20/2013CN202811440U Adjusting structure for swinging head of electric fan
03/20/2013CN202811439U Multi-speed control circuit for air conditioner fan or fan
03/20/2013CN202811438U Automatic speed control circuit of fan
03/20/2013CN202811437U Mine ventilation energy-saving automatic speed adjusting system
03/20/2013CN202811436U Single-phase AC FFC blower control system
03/20/2013CN202811435U Fan speed testing device
03/20/2013CN202811424U Multidirectional wide angle electric fan
03/20/2013CN202811420U Infrared tube light-emitting diode (LED) fan
03/20/2013CN202811401U Centrifugal air compressor and control system thereof
03/20/2013CN202811297U Novel fan
03/20/2013CN202807876U Air-cooled line with function of preventing wire rod from brittle fracture
03/20/2013CN102979757A Solar bladeless fan
03/20/2013CN102979756A Speed regulation switch capable of controlling multiple fans
03/20/2013CN102979755A Embedded data acquisition system-based mechanical fault diagnosis device of mining fan
03/20/2013CN102979754A Fan rotation speed control system and method
03/20/2013CN102979753A 多功能电扇控制系统 Multifunctional fan control system
03/20/2013CN102979752A Heat dissipation method for oil well solid biochemical wax placing block
03/20/2013CN102979748A Outer rotor electronic control fan and speed regulating method
03/20/2013CN102979744A Engineering machinery full hydraulic automatic air cooling system
03/20/2013CN102979742A Auto-induction type fog exhaust fan
03/19/2013US8398360 Method and device for resisting wear from particle containing water on an impeller
03/14/2013US20130064688 Integrated Direct Drive Starter/Generator for Turbines
03/14/2013US20130064685 Method for managing a hybrid compressor of an air-conditioning circuit
03/13/2013CN202795213U Novel radiator fan
03/13/2013CN202789642U Fan control system of programmable logic control (PLC) main control system capable of automatically identifying peripheral equipment
03/13/2013CN202789641U Automatic orientation electric fan
03/13/2013CN202789640U Digital temperature control speed governor for electric fan
03/13/2013CN202789639U Delay start-stop fan equipment for cigarette making machine
03/13/2013CN202789638U Speed control circuit for fan of ventilation system in base station
03/13/2013CN202789637U Environment-friendly dedusting fan control system for steel works
03/13/2013CN202789636U Novel environment-friendly dust-removal fan control system for steel mill
03/13/2013CN202789635U Environment-friendly dust removing fan control system applied to steel mill
03/13/2013CN202789634U Cool fan and synchronous motor waterproof structure
03/13/2013CN202789633U Elevation adjustment device of novel fan
03/13/2013CN202789632U Device for distinguishing harmful gas and automatically controlling air exhaust
03/13/2013CN202789631U Ceiling fan speed controller
03/13/2013CN202789630U Portable rotatable barrel type ventilation device
03/13/2013CN202789629U Transportable type temperature control electric fan
03/13/2013CN202789628U Multistage filtering type air inlet machine
03/13/2013CN202789619U Silent household fan
03/13/2013CN202789618U Silent fan with no exposed fan blade
03/13/2013CN202789611U Adjustable ceiling fan with angle of inclination
03/13/2013CN202789602U Wireless intelligent electric fan
03/13/2013CN202789592U Novel built-in type air charge and discharge pump
03/13/2013CN102971539A A turbomachine
03/13/2013CN102966586A Control method for ventilation system of nuclear power station
03/13/2013CN102966585A Circuit of fan
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