Patents
Sitemap › F04 - Positive-displacement machines for liquids; Pumps for liquids or elastic fluids › F04D - Non-positive-displacement pumps › F04D 27 - Control, e.g. regulation, of pumps, pumping nstallations or pumping systems specially adapted for elastic fluids
Patents for F04D 27 - Control, e.g. regulation, of pumps, pumping nstallations or pumping systems specially adapted for elastic fluids (9,590)
08/2012
08/29/2012CN202402305U Speed-variable electric fan with two modes
08/29/2012CN202402301U Angle-adjustable powerful fan
08/29/2012CN102652214A A method for controlling a pump and motor system
08/23/2012WO2012111158A1 Fan control apparatus and fan control method
08/22/2012EP2488757A1 Underwater compressor arrangement and underwater process fluid conveying arrangement equipped therewith
08/22/2012CN202391778U Multifunctional exhaust fan
08/22/2012CN202391777U Novel high-pressure blower
08/22/2012CN202391776U Fan head shaking device with adjustable pivot angle
08/22/2012CN202391771U Multifunctional electric fan
08/22/2012CN202391770U Electric fan
08/22/2012CN202391766U Novel multifunctional exhaust fan
08/22/2012CN202391759U Blade-free electric fan with negative oxygen ion heating
08/22/2012CN102644616A Control system
08/22/2012CN102644615A Variable frequency device for controlling rotating speed of fan of drying room
08/22/2012CN102644614A Toilet exhaust fan
08/22/2012CN102644613A Intelligent-type control device for fan
08/22/2012CN102644611A Novel electric fan
08/22/2012CN102644610A Cooling fan with dual rotation directions
08/22/2012CN102644472A Mine air quality composite index and ventilation energy-saving linkage system
08/22/2012CN101684823B Controlling device, controlling method and computer for electrical equipment fan
08/22/2012CN101418807B Governor for AC blower fan
08/16/2012US20120207622 Control device and control method of compressor
08/16/2012US20120204560 Method for controlling the operation of a compressor
08/15/2012EP2487370A2 Control device and control method of compressor
08/15/2012EP2487369A2 Control device and control method of compressor
08/15/2012EP1549855B1 Electrical charge air compressor provided with an integrated air cooling system
08/15/2012CN202381373U Square damper device of centrifugal ventilator
08/15/2012CN202381372U Circular damper device of centrifugal ventilator
08/15/2012CN202381371U Dust collection fan system
08/15/2012CN202381370U Timing speed controller of ceiling fan
08/15/2012CN202381369U Electric fan with temperature control switch
08/15/2012CN202381368U Intelligent ceiling fan capable of automatically adjusting power
08/15/2012CN202381356U Electric fan of induction-controlled switch
08/15/2012CN202381351U Energy-saving ceiling fan capable of detecting human body
08/15/2012CN102635920A Air quantity automatic regulating method of variable working condition ventilating system
08/15/2012CN102635566A Internal speed-regulating two-speed electronic fan
08/15/2012CN102635565A Method for dynamically biasing anti-surge curve of turbine compressor
08/15/2012CN102635564A Air-conditioning blower control system of natural gas bus
08/14/2012US8240991 Method and system for operating a wind turbine
08/14/2012US8240974 Cold air buffer supply tube
08/09/2012WO2012104366A1 Coupled outlet vane device/angular adjustment
08/09/2012DE112010000450T5 Gasverdichter und Verfahren zum Steuern seines Volumenstromes A gas compressor and method for controlling its flow rate
08/08/2012EP2484913A2 A turbomachine comprising an annular casing and a bladed rotor
08/08/2012CN202370879U Temperature-sensing ceiling fan
08/08/2012CN202370878U Electronic variable-frequency type speed regulator of breeze ceiling fan
08/08/2012CN202370877U Hydraulic ventilator adjusting loop for motor vehicle, building machinery or hoisting equipment
08/08/2012CN202370869U Clean air cold and hot fan
08/08/2012CN101600887B Method for controlling a turbocoinpressor
08/07/2012US8235648 Diffuser with enhanced surge margin
08/02/2012WO2012103431A1 Variable speed compressor and control system
08/02/2012WO2012101380A1 Turbine engine stage
08/02/2012US20120195736 Plasma Actuation Systems to Produce Swirling Flows
08/02/2012CA2825260A1 Turbine engine stage
08/01/2012EP2480770A1 Adaptive core engine
08/01/2012EP2480769A1 Method of operating adaptive core engines
08/01/2012CN202362884U Family security system
08/01/2012CN202360439U Ventilator operation guide system
08/01/2012CN202360438U Temperature-controlled fan system with speed regulated by mechanical stepless speed changer
08/01/2012CN202360437U Automatically regulated axial flow fan
08/01/2012CN202360436U Man-machine interaction system of electric bladeless fan
08/01/2012CN102619774A Surge control method of centrifugal compression equipment
08/01/2012CN102619773A Control circuit for chaotic wind of fan and running mode of control circuit
08/01/2012CN102619772A Selection method for rotor floating position of magnetic suspension molecular pump and rotor floating control method
08/01/2012CN102619771A Control method of comfortable wind of fan
08/01/2012CN102619770A Method and device for outputting air at 360 DEG
08/01/2012CN101871467B Combustion fan control system for sintering ignition furnace
07/2012
07/31/2012US8231345 Fan blade pitch change assembly
07/26/2012WO2012098625A1 Electric motor and electrical apparatus equipped with same
07/26/2012US20120189433 Variable geometry turbine
07/26/2012US20120189425 System and method for reducing corrosion in a compressor
07/25/2012CN202353909U 离子平衡调整装置 Ion balance adjustment device
07/25/2012CN202348735U Radiating control circuit of battery charger
07/25/2012CN202348734U Cooling control device of converter transformer for direct-current stepless variable speed fans
07/25/2012CN202348733U Auto-induction fan control system
07/25/2012CN202348732U Two-stage centrifugal blower damper regulating mechanism
07/25/2012CN202348731U Intelligent portable fan control device applied to large transformer
07/25/2012CN202348730U Speed regulation device for air-conditioning fan of automobile
07/25/2012CN202348729U Rotation speed adjusting device of case fan
07/25/2012CN202348728U Energy saving controlling circuit of traveling overhead cleaner
07/25/2012CN202348725U Automatic-control fan oscillating structure
07/25/2012CN202348722U Intelligent electric fan
07/25/2012CN202348719U Human body-sensing fan
07/25/2012CN102612299A Power device heat pipe heat-removal system with controlled cooling air volume
07/25/2012CN102607858A Turbocharger performance qualification method and apparatus
07/25/2012CN102607857A Turbocharger performance qualification method and apparatus
07/25/2012CN102606532A Fluid pump and method for adjusting optimal efficiency point thereof
07/25/2012CN102606505A Magnetic suspension molecular pump rotor floating position selection method and rotor floating control method
07/25/2012CN102606504A Temperature and rotational speed detecting mechanism
07/25/2012CN102606503A Novel method for adjusting air flow
07/25/2012CN102606502A Method for exciting and controlling gas flow of stator blade end wall of axial-flow compressor by aid of plasmas
07/25/2012CN102606501A A method for similitude testing of a turbomachine and corresponding test sytem
07/25/2012CN102606494A Blower apparatus having an electric drive motor
07/24/2012CA2673764C Method for controlling a turbocompressor
07/19/2012WO2012095592A1 Turbofan engine
07/19/2012WO2012095062A1 Device and method for reliably operating a compressor at the pump threshold
07/19/2012US20120183398 System and method for controlling flow through a rotor
07/19/2012US20120183385 Method for preventing surge in a dynamic compressor using adaptive preventer control system and adaptive safety margin
07/19/2012CA2819384A1 Turbofan engine
07/18/2012EP2476910A2 Method for preventing surge in a dynamic compressor using adaptive preventer control system and adaptive safety margin
07/18/2012CN202338503U 红外感应移动式电扇 Portable infrared sensors fans
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