| 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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| 02/29/2012 | EP2423515A1 Industrial compressor system |
| 02/29/2012 | EP2423514A2 Device and method for detecting a surge in a compressor and relocating a surge margin |
| 02/29/2012 | CN202152749U 一种可测温的风扇遥控器 One kind of fan remote control can be temperature |
| 02/29/2012 | CN202152748U 一种温控风扇 A temperature-fan |
| 02/29/2012 | CN202152747U 大功率led灯温控电路 High power led lamp temperature control circuit |
| 02/29/2012 | CN202152742U 新型落地式可充电电风扇 The new floor-rechargeable fan |
| 02/29/2012 | CN102365518A Method of operating a compressor and an apparatus therefor |
| 02/29/2012 | CN102364116A Fan control device and method |
| 02/29/2012 | CN102364114A Remote control speed-regulating outer rotor axial flow fan |
| 02/29/2012 | CN101770246B Fan speed-regulating control circuit and speed-regulating fan equipment |
| 02/29/2012 | CN101761501B Molecular pump model identifying method |
| 02/23/2012 | WO2012023026A2 Mix for outer tyre portions of improved appearance |
| 02/23/2012 | US20120045318 Method and apparatus for air flow control |
| 02/23/2012 | US20120045312 Vane carrier assembly |
| 02/23/2012 | DE102011106962A1 Gebläse Blower |
| 02/23/2012 | DE102010013310B4 Betriebsschaltung zum Betreiben eines Lüfters für ein Leuchtmodul Operating circuit for operating a fan for a light-emitting module |
| 02/22/2012 | EP2420679A1 Method, arrangement and a computer program product for determining correct running direction a fluid flow generating apparatus |
| 02/22/2012 | CN202149070U 一种排气扇 One kind of fan |
| 02/22/2012 | CN202149052U 风机变频控制系统 Fan frequency control system |
| 02/22/2012 | CN202149051U 摇头电扇摆幅调控器 Fans shook his head swing governor |
| 02/22/2012 | CN202149050U 汽车空调鼓风机调速装置 Car air conditioner blower speed control device |
| 02/22/2012 | CN102362053A Cooling fan driving device and fan rotation number control method |
| 02/22/2012 | CN102359451A Solar-charging-type multifunctional electric fan |
| 02/22/2012 | CN101846086B 一种用于离心泵的流体测试实验装置 A fluid test experimental device for centrifugal pumps |
| 02/22/2012 | CN101644948B 风扇速度控制系统 Fan speed control system |
| 02/22/2012 | CN101310650B 充气装置 Inflatable devices |
| 02/21/2012 | US8118544 Bearing and retention mechanisms |
| 02/21/2012 | US8118543 Centrifugal compressor having switchable two passages |
| 02/16/2012 | WO2010142574A3 Arrangement for liquefying natural gas, and method for starting said arrangement |
| 02/16/2012 | US20120039701 Closed Cycle Brayton Cycle System and Method |
| 02/16/2012 | DE102010034266A1 Method for determining error condition of rotary compressor, involves defining two values of operation features, and determining clearance indicating spacing of time point from preset time point |
| 02/15/2012 | EP2417359A1 Air bleed having an inertial filter in the tandem rotor of a compressor |
| 02/15/2012 | EP2417358A1 Compressor arrangement |
| 02/15/2012 | CN202144796U 一种能自动关停吊扇 One kind can automatically shut down a ceiling fan |
| 02/15/2012 | CN102352866A Anti-surge control device of blower |
| 02/15/2012 | CN102352856A Intelligent ventilator |
| 02/15/2012 | CN102352855A Surge-protecting method for rapidly controlling wind quantity of gas compressor for turbo-charging system and surge-protecting device for realizing same |
| 02/15/2012 | CN101761500B 控制风扇转速的方法、装置及控制散热速度的方法、装置 The method of controlling the fan speed, the apparatus and method of controlling the cooling rate, the device |
| 02/14/2012 | US8113764 Steam turbine and a method of determining leakage within a steam turbine |
| 02/14/2012 | US8113317 Electric motor driven lubrication pump control system and method that accomodates turbomachine windmill operation |
| 02/09/2012 | WO2012018459A2 Method and system for reducing seal gas consumption and settle-out pressure reduction in high-pressure compression systems |
| 02/09/2012 | US20120034064 Contoured axial-radial exhaust diffuser |
| 02/09/2012 | DE102010033448A1 Vorrichtung zur Kopplung eines Brennerlüfters an einen Mikroprozessor An apparatus for coupling a burner fan to a microprocessor |
| 02/08/2012 | EP2416091A1 Turbo refrigeration machine and method for controlling the same |
| 02/08/2012 | CN202140330U 一种变频风扇 One kind of inverter fan |
| 02/08/2012 | CN202140329U 风量调节装置 Wind control |
| 02/08/2012 | CN202140328U 冷风扇冷暖自动切换机构 Heating and cooling fan automatically switches bodies |
| 02/08/2012 | CN202140326U 具有自动阀门机构的大功率风机 High-power fan with automatic valve mechanism |
| 02/08/2012 | CN102345621A Method for controlling lead angle of permanent magnet synchronous fan |
| 02/08/2012 | CN102345620A Method and device for controlling a hot restart of a centrifugal compressor |
| 02/08/2012 | CN102345619A Image forming apparatus and method for driving and controlling fans in the apparatus |
| 02/08/2012 | CN102345618A Driving system of square adjusting gate |
| 02/08/2012 | CN102345617A Ventilating fan |
| 02/08/2012 | CN102345614A Intelligent exhaust device |
| 02/02/2012 | WO2012013530A1 Method for operating a compressor |
| 02/02/2012 | US20120027566 Method and system for operating a wind turbine |
| 02/02/2012 | US20120027564 Method for the pressure regulation of a barrier fluid and a pumping device for a method of this kind |
| 02/01/2012 | EP2413053A1 Control unit for a device such as a fan |
| 02/01/2012 | EP2412983A2 Method and device for controlling a hot restart of a centrifugal compressor |
| 02/01/2012 | EP2412948A1 Cooling fan driving device and fan rotation number control method |
| 02/01/2012 | EP1565693B1 Boiler |
| 02/01/2012 | CN202132264U 一种智能风量控制系统 An intelligent control system for the air volume |
| 02/01/2012 | CN202132263U 功放系统风扇控制电路 Amplifier system fan control circuit |
| 02/01/2012 | CN202132262U 一种风扇控制电路 One kind of fan control circuit |
| 02/01/2012 | CN202132253U 可温度调控的电风扇 Temperature regulated fans can |
| 02/01/2012 | CN102341604A Air compressor, and flow control method for an air compressor |
| 02/01/2012 | CN102338130A Digital control fan rocking device |
| 02/01/2012 | CN102338117A Numerical control electric fan |
| 02/01/2012 | CN102338116A Rotation adjusting structure of electric fan |
| 02/01/2012 | CN102338103A Electric fan structure with infrared ray detection function |
| 02/01/2012 | CN102337923A Control device of concentration and pressure of gas |
| 01/31/2012 | US8105028 Systems and methods for mitigating the effects of wind turbines on radar |
| 01/26/2012 | WO2012010819A2 Separation of a gas mixture |
| 01/26/2012 | WO2012010741A2 Method for controlling a regulated-rotation-speed low-pressure centrifugal fan |
| 01/26/2012 | US20120020810 Priming Protection |
| 01/26/2012 | DE102010031835A1 Lüfterregelung Fan control |
| 01/26/2012 | CA2805080A1 Method for controlling a regulated-rotation-speed low-pressure centrifugal fan |
| 01/25/2012 | EP2410185A2 Bleed air output in the bypass flow channel of a turbofan engine |
| 01/25/2012 | EP2410136A2 Vortex reducing device for a gas turbine engine |
| 01/25/2012 | CN202125451U Automatic air cooling control system for control cabinet of oil pumping machine |
| 01/25/2012 | CN202125450U Novel intelligent control variable-frequency energy-saving device of air blower of application machine room |
| 01/25/2012 | CN202125449U Automatic substation ventilation control system based on temperature controller |
| 01/25/2012 | CN202125447U Induction electrical fan |
| 01/25/2012 | CN202125444U Wireless temperature control electric fan |
| 01/19/2012 | WO2012007553A1 A method and apparatus for composition based compressor control and performance monitoring |
| 01/19/2012 | US20120014777 Method for controlling a regulated-rotation-speed low-pressure centrifugal fan |
| 01/19/2012 | CA2804854A1 A method and apparatus for composition based compressor control and performance monitoring |
| 01/18/2012 | EP1856416B1 Apparatus and method for inhibiting the propagation of a flame front |
| 01/18/2012 | CN202117963U Pitching angle adjusting mechanism of fan |
| 01/18/2012 | CN202117962U Voltage-controlled PWM (pulse width modulation) speed-regulating module for automotive air conditioner |
| 01/18/2012 | CN202117961U Positive-rotation reversal-rotation brushless direct-current fan control circuit |
| 01/18/2012 | CN202117959U Portable electric fan |
| 01/18/2012 | CN202117957U Stepless speed changing fan |
| 01/18/2012 | CN202117955U Automatic fan |
| 01/18/2012 | CN202117953U Music electric fan |
| 01/18/2012 | CN102326001A Improvements in multi-stage centrifugal compressors |
| 01/18/2012 | CN102322436A Radial vibration control method for magnetic suspension molecular pump |
| 01/18/2012 | CN102322435A Automatic control system of heat radiator fan |
| 01/18/2012 | CN102322434A Control method and control system for energy saving of dust removing fan for mains frequency melting furnace |
| 01/18/2012 | CN102322433A Wireless control relay air feeding device for tunnel construction |