| 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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| 05/23/2012 | CN202228403U Speed-regulating ventilation fan |
| 05/23/2012 | CN202228402U Variable frequency controller of household electric fan |
| 05/23/2012 | CN202228401U Monitoring device for dedusting fan |
| 05/23/2012 | CN202228400U Fan control system linking with air conditioner |
| 05/23/2012 | CN202228399U Two-way ventilative anti-explosion vetilator |
| 05/23/2012 | CN202228395U Centrifugal compressor |
| 05/23/2012 | CN202228390U Integrated centrifugal fan without position sensor drive |
| 05/23/2012 | CN202228100U Turning frequency-conversion ventilating system for tunnel |
| 05/23/2012 | CN102472287A Turbocompressor assembly with a cooling system |
| 05/23/2012 | CN102470260A 控制电动空气净化呼吸器的方法 The method of controlling an electric air purifying respirator |
| 05/23/2012 | CN102469750A 集装箱数据中心及其降噪装置、降噪方法 Container data center and its noise reduction device, noise reduction methods |
| 05/23/2012 | CN102467206A 服务器系统 Server System |
| 05/23/2012 | CN102465909A 风扇转速控制电路 Fan speed control circuit |
| 05/23/2012 | CN102465908A 风扇转速控制系统 Fan speed control system |
| 05/23/2012 | CN102465907A Fan control system and control method |
| 05/23/2012 | CN101862142B Interactive intelligent bathroom cabinet device |
| 05/23/2012 | CN101725556B Multi-mode temperature control fan governor |
| 05/23/2012 | CN101595306B Seal chamber conditioning valve for a rotodynamic pump |
| 05/23/2012 | CN101446814B Temperature fault protection control system of fan system and control method thereof |
| 05/23/2012 | CN101403391B Novel duplicate-power double-fan intelligent monitoring protection device |
| 05/22/2012 | US8185291 Stall prediction apparatus, prediction method thereof, and engine control system |
| 05/17/2012 | US20120121440 Compressors control |
| 05/17/2012 | US20120121376 Method of controlling a compressor and apparatus therefor |
| 05/17/2012 | US20120121374 Rotor Coupling Guard |
| 05/16/2012 | CN102459914A 用于预测真空泵的转子旋转时的故障的方法及相关的抽吸装置 Method for predicting failure of the vacuum pump when the rotation of the rotor and associated suction means for |
| 05/16/2012 | CN102459913A 压缩机组件 Compressor assembly |
| 05/16/2012 | CN102454622A Mainboard, fan continuous rotation control device, and fan continuous rotation control circuit |
| 05/16/2012 | CN102454621A Fan control circuit |
| 05/15/2012 | US8177475 Contaminant-deflector labyrinth seal and method of operation |
| 05/10/2012 | WO2012059679A1 Pumping installation for obtaining a high vacuum and pumping method using such an installation |
| 05/10/2012 | DE102010040503B4 Verfahren zur Steuerung eines Verdichters Method for controlling a compressor |
| 05/09/2012 | CN202215498U Low-pressure large-flow vent valve device |
| 05/09/2012 | CN202215497U Fan adjustable oscillating angle mechanism |
| 05/09/2012 | CN202215491U Infrared sensing controlled electric fan |
| 05/09/2012 | CN102447353A Fan motor control system |
| 05/09/2012 | CN102446604A Single-gear resistor with compact structure |
| 05/09/2012 | CN102444622A Fan reversing structure of aging oven |
| 05/09/2012 | CN102444608A Multifunctional exhaust fan |
| 05/09/2012 | CN102444607A Dynamic balance method for magnetic suspension molecular pump |
| 05/09/2012 | CN102444606A Fan frequency conversion control system and method for air pressure dynamic balance of mine stope |
| 05/09/2012 | CN102444605A Jitter control and operating profiles for air moving devices |
| 05/09/2012 | CN102444604A Indoor space temperature distribution measurement and automatic air inlet and exhaust control method and device |
| 05/09/2012 | CN102444603A Fan control circuit |
| 05/09/2012 | CN102444602A Fan rotational speed control device |
| 05/09/2012 | CN102444601A Double-steering control method for radiating fan and circuit thereof |
| 05/09/2012 | CN102444600A Speed regulation module of fan |
| 05/09/2012 | CN102444599A Automatic ventilation fan device |
| 05/09/2012 | CN102444598A Fan rotational speed control device and method thereof |
| 05/09/2012 | CN101871465B Control device and method of cooling fan of ATCA (Advanced Telecom Computing Architecture) system |
| 05/08/2012 | US8172509 Device for detecting breakage of a turbomachine shaft |
| 05/03/2012 | WO2012058069A2 System and method for rapid pressurization of a motor/bearing cooling loop for a hermetically sealed motor/compressor system |
| 05/03/2012 | US20120107089 Fluid Flow Control System Having a Moving Fluid Expander Providing Flow Control and Conversion of Fluid Energy into Other Useful Energy Forms |
| 05/03/2012 | US20120107086 Motor assisted fine pitch startup ram air turbine |
| 05/03/2012 | US20120103590 Fan control system and air conditioner that includes the same |
| 05/03/2012 | DE102010049856A1 Regelschaltung und Verfahren zur Drehzahlregelung, Datenverarbeitungsvorrichtung und Programmcode Control circuit and method for speed control, data processing apparatus and program code |
| 05/02/2012 | EP2447541A1 Method and device performing model based anti-surge dead time compensation |
| 05/02/2012 | EP2446149A1 Device and method for positioning variable-geometry equipment for a turbomachine, using a relative-measurement jack |
| 05/02/2012 | EP2446148A1 Multistage compressor installation |
| 05/02/2012 | EP2446147A1 Method for predicting a rotation fault in the rotor of a vacuum pump, and associated pumping device |
| 05/02/2012 | CN202209300U Fan control circuit capable of prolonging service life of DC (direct-current) carbon-brush motor of fan |
| 05/02/2012 | CN202209299U Household energy-saving fan |
| 05/02/2012 | CN202209205U System for controlling rotation speed of fan automatically |
| 05/02/2012 | CN102436280A Voltage stable output device and rotation speed control system of fan of whole machine and method thereof |
| 05/02/2012 | CN102435131A Radial displacement sensor and rotor radial displacement detection system of magnetically levitated molecular pump |
| 05/02/2012 | CN102434480A Anti-surge control device of centrifugal blower based on domestic CPU (Central Processing Unit) |
| 05/02/2012 | CN102434479A Constant temperature energy-saving control method in rack type server case |
| 05/02/2012 | CN102434478A Remote intelligent control system and control method for fan |
| 05/02/2012 | CN102434477A System and method for controlling air cooling device to start and stop in outdoor converter valve cooling system of converter station |
| 05/02/2012 | CN102434476A Controlled angular acceleration for air moving devices |
| 05/02/2012 | CN102434475A Delayed execution and automated model detection for air moving devices |
| 05/01/2012 | US8167531 Method and apparatus for supporting rotor assemblies during unbalances |
| 05/01/2012 | CA2483109C Control system for variable pitch fan |
| 04/26/2012 | WO2012053148A1 Inverter control device, electric compressor, and electric device |
| 04/26/2012 | WO2012052737A1 A fan |
| 04/26/2012 | WO2012052736A1 A fan assembly |
| 04/26/2012 | WO2012052735A1 A fan assembly |
| 04/26/2012 | US20120101788 Method for determining faults during the operation of a pump unit |
| 04/26/2012 | US20120100011 Control system |
| 04/26/2012 | DE112006002204B4 Steuervorrichtung für einen hydraulisch angetriebenen Lüfter A control device for a hydraulically driven fan |
| 04/26/2012 | DE102008058799B4 Verfahren zum Betrieb eines mehrstufigen Verdichters Method for operating a multi-stage compressor |
| 04/25/2012 | EP2444655A1 Pump storage assembly, method for operating a pump storage assembly and pump storage power plant |
| 04/25/2012 | EP2443346A2 Pumps and fittings having sensors |
| 04/25/2012 | CN202203148U 一种兼具电压与脉波宽度控制模式的风扇控速电路装置 That is both voltage and pulse width control mode, fan speed control circuit devices |
| 04/25/2012 | CN202203147U 一种倍速电路 One kind of speed circuit |
| 04/25/2012 | CN202203146U 一种用于调节风量大小的装置 Means for adjusting the size of the amount of wind |
| 04/25/2012 | CN202203145U 一种用于空压机进气阀的进气压力自动调节装置 The intake pressure of a compressor intake valve for an automatic adjustment device |
| 04/25/2012 | CN202203144U 防反转风机 Anti-reverse fan |
| 04/25/2012 | CN202203143U 用于工业吊扇的控制装置 Apparatus for controlling industrial ceiling fan |
| 04/25/2012 | CN202203142U Exhaust fan for bath room |
| 04/25/2012 | CN202203131U 大型工业吊扇 Large industrial ceiling fan |
| 04/25/2012 | CN102428328A 可变速压缩机 Variable speed compressor |
| 04/25/2012 | CN102425625A Braking device for air blower of bar heating furnace in steel rolling mill |
| 04/25/2012 | CN102425563A Method and system for synchronously inhibiting subcritical vibration of rotor of magnetic suspension molecular pump |
| 04/25/2012 | CN102425562A Dynamic balance method for magnetic suspension molecular pump |
| 04/25/2012 | CN102425561A Dynamic balance method for magnetic suspension molecular pump |
| 04/25/2012 | CN102425560A 一种磁悬浮分子泵动平衡方法 Magnetically molecular pump balancing method |
| 04/25/2012 | CN102425559A 一种磁悬浮分子泵降速过程中的平稳控制方法 Magnetically-molecular pumps smooth deceleration process control methods |
| 04/25/2012 | CN102425558A 燃驱压缩机组监控装置 Burning driven compressor monitoring device |
| 04/25/2012 | CN102425557A 一种获取磁悬浮分子泵转子悬浮中心的控制方法 A control method for obtaining molecular pump rotor suspension maglev center |
| 04/25/2012 | CN102425556A 一种获取磁悬浮分子泵转子径向悬浮中心的方法 A method of obtaining molecular pump rotor radial magnetic levitation suspension centric approach |