Patents
Patents for F04D 27 - Control, e.g. regulation, of pumps, pumping nstallations or pumping systems specially adapted for elastic fluids (9,590)
11/2012
11/28/2012CN102797694A Electric fan
11/28/2012CN102797693A Method for testing speed-adjusting function of system fan
11/28/2012CN102797692A Gas emission control method and electrical equipment
11/28/2012CN102797691A 风扇控制电路 Fan control circuit
11/28/2012CN102297148B Fan control circuit for prolonging service life of direct current carbon brush motor of fan
11/28/2012CN101761498B Fan with freely distributed air quantity
11/27/2012US8317459 Systems, methods, and apparatus for providing a magnetic seal
11/22/2012WO2012156640A1 Gas turbine diffuser blowing method and corresponding diffuser
11/22/2012CA2835355A1 Gas turbine diffuser blowing method and corresponding diffuser
11/21/2012EP2525102A2 Air volume adjustment device for air conditioner
11/21/2012CN202550861U Variable frequency power supply heat dissipating device
11/21/2012CN202545317U Capacitance-touch type bladeless fan
11/21/2012CN202545316U Electric fan device with temperature sensor
11/21/2012CN202545315U Hydraulic movable vane adjusting device for mine ventilator
11/21/2012CN202545314U Gear rack movable vane adjusting device for mine fan
11/21/2012CN202545313U Adjusting mechanism for inlet guide vanes of turbine vacuum pump
11/21/2012CN202545312U Fan governing valve
11/21/2012CN202545311U Fan speed control device
11/21/2012CN202545310U FFU (Fan Filter Unit) fan wireless group control system based on ZigBee technology
11/21/2012CN202545298U Solar air exchange fan for vehicle
11/21/2012CN102788039A FFU (fan filter unit) control system
11/21/2012CN102788038A Method for suppressing nonlinear force of magnetic suspension molecular pump
11/21/2012CN102788037A Model identifying method and system of magnetic levitation molecular pumps
11/21/2012CN102788036A Variable frequency regulating and controlling system of dust collecting fan
11/21/2012CN102788035A Forward and reverse rotation device of condensing fan
11/21/2012CN101922464B Method, device and network equipment for adjusting fan speed
11/21/2012CN101907104B DCS (Distributed Control System) control method for cooling fan of COREX slag powder grinding system
11/21/2012CN101135315B Electric fan pendulum angle regulating device
11/20/2012US8313281 Tandem seal arrangement with reverse flow secondary seal
11/15/2012WO2012121680A3 Pump control device with multiple sensors microprocessor controllers
11/14/2012EP2522833A2 Gas turbine engine with bleed air removal device
11/14/2012CN202534098U Closed silo environment safety monitoring apparatus
11/14/2012CN202531469U Electric fan operated by touch and having voices
11/14/2012CN202531468U Multifunctional fan
11/14/2012CN202531467U Electric fan with temperature control switch
11/14/2012CN202531466U Dual-side high-speed start type speed adjuster for ceiling fan
11/14/2012CN202531465U Direct current fan speed regulating system for mining rescue capsule and refuge chamber
11/14/2012CN202531464U Electric fan operated by touch screen
11/14/2012CN202531456U Portable electric fan
11/14/2012CN202531450U Direct-current variable-frequency fan
11/14/2012CN202530995U Automatic window device
11/14/2012CN102782332A Compression device and method for cooling a compression medium
11/14/2012CN102777409A Exhaust fan speed regulator
11/14/2012CN102777408A Variable-frequency energy-saving control system of intelligent dust collecting fan
11/14/2012CN102777407A Frequency conversion adjustment control system of dust-removing blower
11/14/2012CN102777406A Advanced reaction type speed regulation wind quantity control method
11/14/2012CN102777405A Infrared fan without fan blade
11/14/2012CN102777404A Direct current brushless fan controller used for fan of fan filter unit
11/14/2012CN102777403A Fan system
11/14/2012CN102777393A Air feed blower, especially for a vehicle heater
11/14/2012CN102062112B Safety device for ceiling fan
11/13/2012US8308420 Centrifugal compressor, impeller and operating method of the same
11/13/2012US8307645 Apparatus and method for avoidance of turbocharger surge on locomotive diesel engines
11/07/2012CN202524598U Radiation control system for stage used LED spotlight
11/07/2012CN202523990U External noise reduction air-cooling auxiliary machine for indoor frequency converter
11/07/2012CN202520665U Fan air inlet filter screen with automatic deicing function
11/07/2012CN202520602U Automatic control system for substation fan
11/07/2012CN202520601U Blade angle adjustor of main draught fan
11/07/2012CN202520600U Temperature and rotation speed detecting mechanism
11/07/2012CN202520599U Centrifugal fan with air regulating function
11/07/2012CN202520598U Ventilation fan
11/07/2012CN202520597U Cooling fan controller structure of standby power supply of fuel cell
11/07/2012CN202520596U Improved automobile air-conditioner blower speed regulating module
11/07/2012CN202520595U Intelligent electric fan self-adaptive to sleep of human body
11/07/2012CN202520594U Fan running check device
11/07/2012CN202520593U No-shutter type fan
11/07/2012CN202520592U Automatic fan
11/07/2012CN202520585U Automatic energy-saving exhaust fan
11/07/2012CN202520580U Centrifugal compressor
11/07/2012CN202520354U Closed-loop control system of mine ventilator
11/07/2012CN102767531A Self-starting preventing ceiling fan speed regulator
11/07/2012CN102767530A Fan speed regulation method and device of distributed network equipment
11/07/2012CN102767529A Calculation method for energy saving effect of axial flow compressor
11/07/2012CN102767416A Electromagnetically-controlled driving device of engine cooling fan and implementation method of electromagnetically-controlled driving device
11/07/2012CN102135107B Temperature control device for intelligent fan
11/07/2012CN101482127B Parallel operation optimizing control method and system of booster fan
10/2012
10/31/2012EP2518325A2 A fan
10/31/2012EP2518324A2 Cooling fan
10/31/2012EP2516866A2 Dynamic thrust balancing for centrifugal compressors
10/31/2012EP2516864A1 Turbo-machine thrust balancer
10/31/2012CN202510425U Direct-current network controlled fan filter unit (FFU)
10/31/2012CN202510402U Intelligent control device of mining local fan
10/31/2012CN202510401U Hand-cranking braking device for rotating shaft of large-scale induced draft fan
10/31/2012CN202510400U Speed regulating type single-phase brushless DC fan drive integrated circuit
10/31/2012CN202510399U Temperature controlled electric fan speed regulator
10/31/2012CN202510398U Exhaust fan time-delay switch controller
10/31/2012CN202510397U Electronic speed regulator of electric fan
10/31/2012CN202510396U Ceiling fan electronic timer
10/31/2012CN202510395U Electronic speed governor of ceiling fan
10/31/2012CN202510394U Controller of electric fan for simulating natural wind
10/31/2012CN202510393U Novel exhaust fan
10/31/2012CN202510386U Stepless speed-regulating air supply unit
10/31/2012CN202510381U Energy-saving fan
10/31/2012CN102762871A Dynamic thrust balancing for centrifugal compressors
10/31/2012CN102758903A Stepless speed regulator and control method, and fan clutch and water pump using device
10/31/2012CN102758787A Fan failure early warning device and method thereof
10/31/2012CN102758786A Fan circuit
10/31/2012CN102758783A Finger touch protection fan
10/31/2012CN102758685A Independent type full-temperature-control hydraulic drive fan cooling system
10/31/2012CN102758684A Independent type full-temperature-control hybrid drive fan cooling system
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