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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11/28/2012 | CN102797694A Electric fan |
11/28/2012 | CN102797693A Method for testing speed-adjusting function of system fan |
11/28/2012 | CN102797692A Gas emission control method and electrical equipment |
11/28/2012 | CN102797691A 风扇控制电路 Fan control circuit |
11/28/2012 | CN102297148B Fan control circuit for prolonging service life of direct current carbon brush motor of fan |
11/28/2012 | CN101761498B Fan with freely distributed air quantity |
11/27/2012 | US8317459 Systems, methods, and apparatus for providing a magnetic seal |
11/22/2012 | WO2012156640A1 Gas turbine diffuser blowing method and corresponding diffuser |
11/22/2012 | CA2835355A1 Gas turbine diffuser blowing method and corresponding diffuser |
11/21/2012 | EP2525102A2 Air volume adjustment device for air conditioner |
11/21/2012 | CN202550861U Variable frequency power supply heat dissipating device |
11/21/2012 | CN202545317U Capacitance-touch type bladeless fan |
11/21/2012 | CN202545316U Electric fan device with temperature sensor |
11/21/2012 | CN202545315U Hydraulic movable vane adjusting device for mine ventilator |
11/21/2012 | CN202545314U Gear rack movable vane adjusting device for mine fan |
11/21/2012 | CN202545313U Adjusting mechanism for inlet guide vanes of turbine vacuum pump |
11/21/2012 | CN202545312U Fan governing valve |
11/21/2012 | CN202545311U Fan speed control device |
11/21/2012 | CN202545310U FFU (Fan Filter Unit) fan wireless group control system based on ZigBee technology |
11/21/2012 | CN202545298U Solar air exchange fan for vehicle |
11/21/2012 | CN102788039A FFU (fan filter unit) control system |
11/21/2012 | CN102788038A Method for suppressing nonlinear force of magnetic suspension molecular pump |
11/21/2012 | CN102788037A Model identifying method and system of magnetic levitation molecular pumps |
11/21/2012 | CN102788036A Variable frequency regulating and controlling system of dust collecting fan |
11/21/2012 | CN102788035A Forward and reverse rotation device of condensing fan |
11/21/2012 | CN101922464B Method, device and network equipment for adjusting fan speed |
11/21/2012 | CN101907104B DCS (Distributed Control System) control method for cooling fan of COREX slag powder grinding system |
11/21/2012 | CN101135315B Electric fan pendulum angle regulating device |
11/20/2012 | US8313281 Tandem seal arrangement with reverse flow secondary seal |
11/15/2012 | WO2012121680A3 Pump control device with multiple sensors microprocessor controllers |
11/14/2012 | EP2522833A2 Gas turbine engine with bleed air removal device |
11/14/2012 | CN202534098U Closed silo environment safety monitoring apparatus |
11/14/2012 | CN202531469U Electric fan operated by touch and having voices |
11/14/2012 | CN202531468U Multifunctional fan |
11/14/2012 | CN202531467U Electric fan with temperature control switch |
11/14/2012 | CN202531466U Dual-side high-speed start type speed adjuster for ceiling fan |
11/14/2012 | CN202531465U Direct current fan speed regulating system for mining rescue capsule and refuge chamber |
11/14/2012 | CN202531464U Electric fan operated by touch screen |
11/14/2012 | CN202531456U Portable electric fan |
11/14/2012 | CN202531450U Direct-current variable-frequency fan |
11/14/2012 | CN202530995U Automatic window device |
11/14/2012 | CN102782332A Compression device and method for cooling a compression medium |
11/14/2012 | CN102777409A Exhaust fan speed regulator |
11/14/2012 | CN102777408A Variable-frequency energy-saving control system of intelligent dust collecting fan |
11/14/2012 | CN102777407A Frequency conversion adjustment control system of dust-removing blower |
11/14/2012 | CN102777406A Advanced reaction type speed regulation wind quantity control method |
11/14/2012 | CN102777405A Infrared fan without fan blade |
11/14/2012 | CN102777404A Direct current brushless fan controller used for fan of fan filter unit |
11/14/2012 | CN102777403A Fan system |
11/14/2012 | CN102777393A Air feed blower, especially for a vehicle heater |
11/14/2012 | CN102062112B Safety device for ceiling fan |
11/13/2012 | US8308420 Centrifugal compressor, impeller and operating method of the same |
11/13/2012 | US8307645 Apparatus and method for avoidance of turbocharger surge on locomotive diesel engines |
11/07/2012 | CN202524598U Radiation control system for stage used LED spotlight |
11/07/2012 | CN202523990U External noise reduction air-cooling auxiliary machine for indoor frequency converter |
11/07/2012 | CN202520665U Fan air inlet filter screen with automatic deicing function |
11/07/2012 | CN202520602U Automatic control system for substation fan |
11/07/2012 | CN202520601U Blade angle adjustor of main draught fan |
11/07/2012 | CN202520600U Temperature and rotation speed detecting mechanism |
11/07/2012 | CN202520599U Centrifugal fan with air regulating function |
11/07/2012 | CN202520598U Ventilation fan |
11/07/2012 | CN202520597U Cooling fan controller structure of standby power supply of fuel cell |
11/07/2012 | CN202520596U Improved automobile air-conditioner blower speed regulating module |
11/07/2012 | CN202520595U Intelligent electric fan self-adaptive to sleep of human body |
11/07/2012 | CN202520594U Fan running check device |
11/07/2012 | CN202520593U No-shutter type fan |
11/07/2012 | CN202520592U Automatic fan |
11/07/2012 | CN202520585U Automatic energy-saving exhaust fan |
11/07/2012 | CN202520580U Centrifugal compressor |
11/07/2012 | CN202520354U Closed-loop control system of mine ventilator |
11/07/2012 | CN102767531A Self-starting preventing ceiling fan speed regulator |
11/07/2012 | CN102767530A Fan speed regulation method and device of distributed network equipment |
11/07/2012 | CN102767529A Calculation method for energy saving effect of axial flow compressor |
11/07/2012 | CN102767416A Electromagnetically-controlled driving device of engine cooling fan and implementation method of electromagnetically-controlled driving device |
11/07/2012 | CN102135107B Temperature control device for intelligent fan |
11/07/2012 | CN101482127B Parallel operation optimizing control method and system of booster fan |
10/31/2012 | EP2518325A2 A fan |
10/31/2012 | EP2518324A2 Cooling fan |
10/31/2012 | EP2516866A2 Dynamic thrust balancing for centrifugal compressors |
10/31/2012 | EP2516864A1 Turbo-machine thrust balancer |
10/31/2012 | CN202510425U Direct-current network controlled fan filter unit (FFU) |
10/31/2012 | CN202510402U Intelligent control device of mining local fan |
10/31/2012 | CN202510401U Hand-cranking braking device for rotating shaft of large-scale induced draft fan |
10/31/2012 | CN202510400U Speed regulating type single-phase brushless DC fan drive integrated circuit |
10/31/2012 | CN202510399U Temperature controlled electric fan speed regulator |
10/31/2012 | CN202510398U Exhaust fan time-delay switch controller |
10/31/2012 | CN202510397U Electronic speed regulator of electric fan |
10/31/2012 | CN202510396U Ceiling fan electronic timer |
10/31/2012 | CN202510395U Electronic speed governor of ceiling fan |
10/31/2012 | CN202510394U Controller of electric fan for simulating natural wind |
10/31/2012 | CN202510393U Novel exhaust fan |
10/31/2012 | CN202510386U Stepless speed-regulating air supply unit |
10/31/2012 | CN202510381U Energy-saving fan |
10/31/2012 | CN102762871A Dynamic thrust balancing for centrifugal compressors |
10/31/2012 | CN102758903A Stepless speed regulator and control method, and fan clutch and water pump using device |
10/31/2012 | CN102758787A Fan failure early warning device and method thereof |
10/31/2012 | CN102758786A Fan circuit |
10/31/2012 | CN102758783A Finger touch protection fan |
10/31/2012 | CN102758685A Independent type full-temperature-control hydraulic drive fan cooling system |
10/31/2012 | CN102758684A Independent type full-temperature-control hybrid drive fan cooling system |