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