Patents
Patents for F04D 27 - Control, e.g. regulation, of pumps, pumping nstallations or pumping systems specially adapted for elastic fluids (9,590)
05/2013
05/22/2013CN202946414U Through-wall venting fan
05/22/2013CN202946411U Intelligent temperature sensing electric fan system
05/22/2013CN103115564A Water inflowing detection sensor, water inflowing protection device and communication device and method
05/22/2013CN103115016A Double-effect extraction pot cooling fan energy-saving device and temperature control method
05/22/2013CN103115015A Fan control system and method for obtaining main board temperature parameter
05/22/2013CN103115014A Fan control system and fan control method
05/22/2013CN103115007A Temperature control fan
05/22/2013CN102170766B Electronic device and method for controlling power supply of electronic device
05/16/2013US20130121809 Refrigerant compressor
05/16/2013US20130121807 Axial compressor for fluid-flow machines
05/15/2013EP2591212A1 Method and device for detecting a rotational separation adversely affecting a turbine engine compressor
05/15/2013CN202938619U Anti-siphon control device of vacuum drying oven for producing medicines
05/15/2013CN202937485U Ceiling fan monitoring device
05/15/2013CN202937484U Exhaust fan controller
05/15/2013CN202937483U Temperature control draught fan of closed type switch cabinet
05/15/2013CN202937479U Outdoor automatic air supply system
05/15/2013CN202937471U Strong convection fan for air of floor
05/15/2013CN202937470U Automatic induction type fog discharging fan
05/15/2013CN103104532A Mining intelligent ventilator controller
05/15/2013CN103104531A Method and device for detecting draught fan insufficient output fault
05/15/2013CN103104530A Control device and working method suitable for controlling rotate speed of titanium fan
05/15/2013CN103104529A Device and method of bus control of molecular pump
05/15/2013CN103104528A Thermosensitive control variable pitch fan
05/15/2013CN103104516A Negative-pressure fan
05/15/2013CN102111066B Energy-saving electronic device as well as power control system of cooling fan and control method
05/15/2013CN101769262B Apparatus, system, and method for improved fan control in a power supply
05/15/2013CN101668953B Fan control system
05/10/2013WO2012163715A3 System for gathering gas from a gas field comprising a high efficient high pressure compressor
05/08/2013CN202930966U Three-phase grid connection inverter
05/08/2013CN202926696U 90-degree pitch angle structure of fan
05/08/2013CN202926691U Automatic control electric fan
05/08/2013CN202926690U Radiator fan controller
05/08/2013CN202926689U Intelligent type blower
05/08/2013CN202926688U Intelligent brushless heat radiator fan
05/08/2013CN202926687U Novel fan
05/08/2013CN202926686U Drive circuit and fan
05/08/2013CN202926685U Calibration equipment frame for fan main shaft
05/08/2013CN202926684U Semi-automatic temperature control electric fan
05/08/2013CN202926683U Power supply temperature sampling and fan controlling circuit and power supply device
05/08/2013CN202926679U Inductive electric fan
05/08/2013CN202926676U Miniature fan
05/08/2013CN202926675U Ceiling fan with adjustable height
05/08/2013CN202926674U Fan
05/08/2013CN103097737A Method for controlling a compressor
05/08/2013CN103092066A Clock synchronization device and method used for fan control system
05/08/2013CN103089688A Novel air-conditioning ceiling fan and cooling method utilizing same
05/08/2013CN103089684A Control device and control method for medical vacuum negative air machine facility
05/08/2013CN103089683A Stepless speed regulation system of automobile air condition air blower
05/08/2013CN103089682A Controller for intermittent operation of exhaust fan
05/08/2013CN103089681A Hydraulic device capable of controlling fan viscosity speed regulation
05/08/2013CN103089680A Civil aircraft auxiliary power unit (APU) cooling fan tester
05/08/2013CN103089679A High power exhaust fan time-base circuit interval controlling device
05/08/2013CN103089678A Automatic adjusting axial flow fan
05/08/2013CN103089673A Intelligent electric fan
05/08/2013CN103089669A Titanium fan and working method thereof
05/08/2013CN103089668A Integrated-type turbo molecular pump
05/08/2013CN102116305B Control system for preventing resonance fracture of blades of variable frequency operation fan and control method thereof
05/08/2013CN102080878B Draught fan control method and device of gas equipment
05/08/2013CN101469722B Wind volume adjusting apparatus of volute-free fan chamber of air conditioner
05/02/2013WO2013009646A3 Vortex generators
05/02/2013US20130108442 Variable-geometry fan and method for control thereof
05/01/2013CN202914351U Electric fan control system
05/01/2013CN202914350U Draught fan device facilitating adjustment of degree of tightness of belt
05/01/2013CN202914349U Outer rotor axis flow fan online comprehensive test cabinet
05/01/2013CN202914348U Ceiling fan energy efficiency test system based on automatic control
05/01/2013CN202914347U 汽车风扇装置 Car fan unit
05/01/2013CN202914344U Intelligent motor-driven air charging device
05/01/2013CN202914342U Safe plastic fan for car
05/01/2013CN202914339U Direct current electric fan with human body inductor
05/01/2013CN202914120U 隧道通风装置 Tunnel ventilation
05/01/2013CN103080560A Method for operating gas compressor, and gas turbine provided with gas compressor
05/01/2013CN103079384A Wind power generation self-starting silicon stack cooling system
05/01/2013CN103075360A Control method and device for frame fan
05/01/2013CN103075359A Intelligent heat radiation fan drive circuit
05/01/2013CN103075358A Intermittent operation controller for electric fan
05/01/2013CN103075357A Automatic stop controller and air pump using same
05/01/2013CN102337923B Control device of concentration and pressure of gas
04/2013
04/25/2013WO2013059764A1 Direct drive fan system with variable process control
04/25/2013WO2013058071A1 Ventilator device
04/25/2013WO2010066662A3 Method of operating a compressor and an apparatus therefor
04/25/2013US20130101390 Method for controlling a compressor element of a screw compressor
04/25/2013US20130098089 Device and method for controlling compressor, and refrigerator including same
04/25/2013CA2851821A1 Direct drive fan system with variable process control
04/24/2013EP2582984A1 A turbomachine
04/24/2013CN202900725U Oil-free SF6 gas recovery compressor
04/24/2013CN202900724U Draught fan regulation system
04/24/2013CN202900723U Intermediate frequency furnace dust exhausting fan
04/24/2013CN202900722U Exhaust fan with displayer
04/24/2013CN202900721U Intelligent control circuit of air fan
04/24/2013CN202900708U Fitness center fan system based on air movement
04/24/2013CN202900703U Electric fan
04/24/2013CN103062091A Method for intelligently regulating and controlling fan
04/24/2013CN103062090A Control method and device for generator circuit-breaker cooling fan
04/24/2013CN103062089A Method for operating and controlling fan
04/24/2013CN103062088A Control circuit for an electric fan
04/24/2013CN103062087A Fan speed regulation drive circuit
04/24/2013CN103062086A Cooling system and control method thereof
04/24/2013CN102094854B Swing safe energy-saving electric fan
04/24/2013CN102032787B Method and system for adjusting double large flues of sintering machine
04/24/2013CN101685332B Cooling apparatus, electronic apparatus, and blower apparatus
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