Patents
Patents for F04D 27 - Control, e.g. regulation, of pumps, pumping nstallations or pumping systems specially adapted for elastic fluids (9,590)
01/2013
01/16/2013CN102878098A Environmental-friendly control system of dust removal fan of steel mill
01/16/2013CN102878097A Control system of dust removal fan of steel mill
01/16/2013CN102878096A Automatic following control circuit for fan
01/16/2013CN102878095A Alarm circuit for failure of fan
01/16/2013CN101789751B Speed regulation circuit for fan
01/15/2013US8353676 Method for determining faults during the operation of a pump unit
01/10/2013WO2013005129A2 Antisurge protection method for centrifugal compressors
01/10/2013US20130008246 Hydraulic accumulator fluid charge estimation system and method
01/09/2013EP2543888A1 Method for controlling an electric motor arranged to drive a turbine of an electric fan
01/09/2013EP2543887A2 Integral scroll and gearbox for a compressor with speed change option
01/09/2013EP2543886A2 Integral scroll and gearbox for a compressor with speed change option
01/09/2013CN202659594U Centrifugal fan sound proof box device with power supply inspection switch
01/09/2013CN202659542U Automatically-controlled ventilator
01/09/2013CN202659541U Tail stage impeller anti-block adjusting device used for axial flow compressor
01/09/2013CN202659540U Indoor modularized fan for air conditioner
01/09/2013CN202659539U Outdoor modularized fan for air conditioner
01/09/2013CN202659538U Intelligent control system of oven draught fan
01/09/2013CN202659537U LED (light-emitting diode) lamp with cooling fan
01/09/2013CN202659536U Adjusting check tool for impeller clearance of fan
01/09/2013CN202659535U Explosive-proof centralized control device for automatic machine transfer of pairing-rotation double-fan double-power photoelectric butt joint
01/09/2013CN102865241A Fan operational monitoring method based on fan operation current detection
01/09/2013CN102865240A Intelligent mobile tower fan and control method thereof
01/09/2013CN102865234A Supersonic compressor
01/09/2013CN102865093A Mine ventilation automatic detection and operation system
01/09/2013CN102165273B Turbo refrigeration machine and method for controlling the same
01/08/2013CA2683340C Fluid control system with autonomously controlled pump
01/03/2013US20130004299 Heating and ventilation fan for bathroom
01/02/2013EP2541067A2 Surge estimator
01/02/2013CN202646111U Ceiling fan with remote control technology
01/02/2013CN202646110U Induction type fan
01/02/2013CN202646109U Fan head swinging adjusting device
01/02/2013CN202646108U Fan wind speed regulating device
01/02/2013CN202646107U Electric fan capable of being automatically turned on and turned off
01/02/2013CN202646106U Control circuit of AC (Alternating Current) blower
01/02/2013CN202646105U Performance detection device of alternate current and direct current fans
01/02/2013CN202646104U Control circuit of automobile cooling fan
01/02/2013CN202646103U Fan capable of being automatically powered on and off
01/02/2013CN202646102U Multipoint frequency converting control system for smoke exhaust fans
01/02/2013CN202646101U Frequency conversion device for controlling rotation speed of oasthouse fan
01/02/2013CN202646100U Emergency exhaust fan
01/02/2013CN202646099U Air conditioning fan control system of natural gas bus
01/02/2013CN202646082U Multifunctional floor fan
01/02/2013CN202646065U Fan with angles capable of being adjusted from multiple directions
01/02/2013CN202646063U 360-degree wind source desk fan
01/02/2013CN202646061U Transformative doll fan
01/02/2013CN202646036U Intelligent silent tubular pressurization system
01/02/2013CN202646032U High-power submersible electric pump with insulating and stabilizing functions
01/02/2013CN102852858A Silent fan without exposed vane
01/02/2013CN102852845A Method and device for regulating speed of fan
01/02/2013CN102852844A Electric fan
01/02/2013CN102852843A Temperature-controlled speed-regulating circuit for direct-current fan
01/02/2013CN102852842A Chassis fan control system based on FPGA (Field Programmable Gate Array) and control method thereof
01/02/2013CN102852841A Control system and method for axial flow fan
01/02/2013CN102852840A Adjustable guide/stationary blade control device and method for axial flow compression system under variable working condition
01/02/2013CN102852837A Human body position sensing electric fan
01/02/2013CN102852835A Electric fan
01/02/2013CN102852834A Mute household fan
01/02/2013CN102852625A Engine transient air-intake control system and control method
01/01/2013US8342794 Stall and surge detection system and method
01/01/2013US8342793 Active surge control
12/2012
12/27/2012WO2012177582A2 Capacity control system and method for centrifugal compressor
12/27/2012US20120330464 RPM Controller Using Drive Profiles
12/27/2012US20120328458 Compressor apparatus for the turbocharger of a piston engine and method for operating the same
12/27/2012US20120328410 Surge estimator
12/27/2012DE112011100402T5 Hochvakuumpumpe High vacuum pump
12/26/2012CN202634980U Heat dissipation system used for portable communication device
12/26/2012CN202631499U SF6 gas leakage monitoring alarming system
12/26/2012CN202630797U Dispersion system capable of utilizing multiple levels of engines to generate wind power
12/26/2012CN202630496U Air-cooled screw type water chiller unit
12/26/2012CN202628582U Testing device for fan
12/26/2012CN202628581U 智能风扇 Smart Fan
12/26/2012CN202628580U Drying fan control circuit of intelligent toilet
12/26/2012CN202628579U Condensing fan for bus air conditioner
12/26/2012CN202628578U Control device for test in reliability of electronic silicone oil clutch fan
12/26/2012CN202628577U Anti-explosion control system for fan power supply
12/26/2012CN202628576U Frequency-variable adjustment control system for dedusting fan
12/26/2012CN202628575U Variable frequency regulation control system of dust removal fan
12/26/2012CN202628574U Power distribution control device of underground fan
12/26/2012CN202628573U Fan capable of pitching and rotating
12/26/2012CN202628572U Elevator room fan system
12/26/2012CN202628571U Temperature-controlled multi-sectional velocity variable air volume controller
12/26/2012CN202628556U Cation and anion portable fan
12/26/2012CN202628553U Automatic variable frequency energy-saving fan for cooling tower
12/26/2012CN102840182A Low-load vibration control method for axial flow fan of thermal power plant and bypass air duct control loop
12/26/2012CN102840160A Air cooling control device and working method thereof
12/26/2012CN102840159A Negative pressure adjusting device for inlet of compressor with variable diameter
12/26/2012CN102840158A Device temperature regulating method based on power
12/26/2012CN102840157A Mine direct current fan system
12/26/2012CN102840155A Novel ceiling fan
12/25/2012US8337143 Actuator in turbocharger of vehicle and method for controlling the same
12/25/2012US8337139 Method and system for reducing the impact on the performance of a turbomachine operating an extraction system
12/25/2012US8336315 Gas turbine with a compressor housing which is protected against cooling down and method for operating a gas turbine
12/20/2012WO2012172307A1 Evacuating a chamber
12/20/2012US20120321437 Turbine seal system
12/20/2012DE102011077652A1 Verfahren zum Betreiben eines elektrischen Lüftermotors A method for operating an electric fan motor
12/19/2012CN202613678U Voice control air conditioner
12/19/2012CN202612212U Stacking fan of control rod driving device
12/19/2012CN202612169U Intelligent bladeless fan
12/19/2012CN202612168U Control circuit for electric fan intermittent work
12/19/2012CN202612167U Energy-saving speed regulation controller for constant-temperature and constant-humidity air conditioners
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