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)
12/2012
12/19/2012CN202612166U Temperature controlled electric fan
12/19/2012CN202612165U Control system of cooling tower fan
12/19/2012CN202612164U Improved ceiling fan
12/19/2012CN202612163U Fan variable frequency speed control system based on programmable logic controller (PLC)
12/19/2012CN202612162U Power-type fan rotational speed control circuit and fan device
12/19/2012CN202612161U Submersible pump
12/19/2012CN202612160U Bell-type furnace heating mantle combustion fan control device
12/19/2012CN202612159U Furnace hood blower control system of bell-type furnace
12/19/2012CN202612158U Fan controller of blower
12/19/2012CN202612157U Axial flow ventilator control system
12/19/2012CN202611739U Mine air quality comprehensive index and ventilation energy-saving linked system
12/19/2012CN102828983A Fan cooling control device and working method thereof
12/19/2012CN102828982A Speed regulating device of air exchange fan
12/19/2012CN102828981A High-speed large-power fan speed regulation device for special vehicles
12/19/2012CN102828980A Heat radiation fan control device and electronic device
12/19/2012CN102828979A Fan control method for controlling wind speed and control device
12/19/2012CN102828975A Low-power ventilator
12/19/2012CN102828974A System for adjusting characteristics of fan
12/19/2012CN102828864A Flow-stabilizing air intake pipe and engine air intake system provided with same
12/19/2012CN101514708B Computer fan control device
12/12/2012EP2532898A1 Axial turbo compressor
12/12/2012CN202603116U Heat radiation system with cooling air amount to be controllable, for heat pipe of power device
12/12/2012CN202602980U Touch control transmitter with USB
12/12/2012CN202602977U Wall-hung type transmission controller
12/12/2012CN202602976U Remote control with USB and sleep wake-up device
12/12/2012CN202597152U Cooling device for motor of solar silicon wafer cold water machine
12/12/2012CN202597151U Speed regulator
12/12/2012CN202597150U Anti-lightning strike control device of carbon black main supply fan
12/12/2012CN202597149U Cooling fan
12/12/2012CN202597148U Energy-saving electric control device of ventilator
12/12/2012CN202597147U Fan control system of 10-kVpower distribution station
12/12/2012CN202597146U Control panel used for fan
12/12/2012CN202597145U Finger touch protection device for electric fan
12/12/2012CN202597143U Radiator fan structure
12/12/2012CN202597105U Oil-saving step-less adjusting system for mobile screw air compressor
12/12/2012CN102822083A Hydraulic drive device for deck crane, crane device, control device for hydraulic pump, and ship
12/12/2012CN102820873A Adaption device for pulse width modulation of fan and pulse width modulation system with adaption device
12/12/2012CN102817865A Axial turbo compressor
12/12/2012CN102817864A Environment-friendly dust blower control system of steel mill
12/12/2012CN102817863A Environmental protection dust removing fan control system for steel plant
12/12/2012CN102817862A Method, device and system for controlling fan
12/12/2012CN102817861A Variable-stiffness control method for magnetically levitated molecular pump
12/12/2012CN102817860A Multi-gear control circuit for air conditioner fan or fan
12/12/2012CN102817407A Exhaust control system used for sanitation system
12/12/2012CN101487477B Cooling fan control method, electronic equipment and network system
12/06/2012WO2012163715A2 System for gathering gas from a gas field comprising a high efficient high pressure compressor
12/06/2012WO2012163612A1 Easily adaptable compressor bleed system downstream of a vane platform
12/06/2012WO2012163610A1 System for obtaining and further processing natural gas
12/06/2012CA2837615A1 System for gathering gas from a gas field comprising a high efficient high pressure compressor
12/05/2012EP2530329A1 System for gathering gas from a gas field comprising a high pressure compressor
12/05/2012EP2530328A1 Easily adaptable compressor bleed system downstream of a vane platform
12/05/2012EP2529478A2 Advanced topologies for offshore power systems
12/05/2012EP2529119A1 Compressor control method and system
12/05/2012CN202579264U Electric fan intelligent control system device
12/05/2012CN202579263U Intelligent electric fan
12/05/2012CN202579262U Solar intelligent electric fan
12/05/2012CN202579261U Air regulation system of boiler fan
12/05/2012CN202579260U Power station fan RB control system under under power frequency and variable frequency mixed working condition
12/05/2012CN202579259U Fan rotation speed control circuit with pulse width modulation (PWM) and temperature control functions
12/05/2012CN202579258U Air blower regulating device used for tail gas recycling
12/05/2012CN202579257U Starting valve of centrifugal fan
12/05/2012CN202579256U Ventilating fan detection system
12/05/2012CN202579255U Intelligent electric fan
12/05/2012CN202579254U Computer and drive time delay control circuit of cooling fan
12/05/2012CN202579253U Fan-controlled display panel
12/05/2012CN202579252U Control circuit of fan
12/05/2012CN202579251U Energy-saving control system for pressure fan of cement plant
12/05/2012CN202579250U Circuit using load end voltage to drive heat dissipation device
12/05/2012CN202579238U Solar energy ventilator for roof and garret
12/05/2012CN202579231U Main ventilator with air door for mine
12/05/2012CN202579230U Novel floor electric fan
12/05/2012CN202579227U USB (Universal Serial Bus) temperature fan
12/05/2012CN202570724U Novel dust removal mechanism of superfine fiber buffing machine
12/05/2012CN102812255A Turbocharger housing having a valve device, and method for manufacturing a turbocharger housing of said type
12/05/2012CN102812254A Deposit detection device for exhaust pump, and exhaust pump provided with the device
12/05/2012CN102808797A Novel environmental-friendly dust removal fan control system of steel mill
12/05/2012CN102808796A Method and system for controlling rotating speed of fan
12/05/2012CN102808795A 风扇控制电路 Fan control circuit
12/05/2012CN102808648A Toxic gas removal and air conditioning system for human life support in enclosed refuge spaces
12/05/2012CN101479678B Device and method for performing a functional test on a control element of a turbo engine
12/04/2012US8322138 Compressor
11/2012
11/29/2012WO2012162016A1 Wear pin gap closure detection system for gas turbine engine
11/29/2012US20120301270 Supersonic compressor startup support system
11/28/2012CN202560632U Double-driven parallelly-connected sequential supercharging compressor
11/28/2012CN202560610U Self-inductance type ventilation fan switch
11/28/2012CN202560609U Negative pressure control device of white carbon black system
11/28/2012CN202560608U Energy-saving control device for fans or water pumps
11/28/2012CN202560607U Air blower controller
11/28/2012CN202560606U Fan controller capable of prolonging service life of fan
11/28/2012CN202560605U Multistage compressor control system
11/28/2012CN202560604U Frequency control device for cyclone fan in underground coal mine
11/28/2012CN202560603U Fan control system
11/28/2012CN202560602U Mine non-blowing-out system device in fan performance test
11/28/2012CN202560601U Device for testing performance of fans in mine without blowing out
11/28/2012CN202560600U Novel electric fan
11/28/2012CN202560597U Multi wind-duct parallel combination type wind tunnel driving device
11/28/2012CN202560591U Novel negative-pressure draught fan
11/28/2012CN102803736A Control system
11/28/2012CN102803735A Device and method for positioning variable-geometry equipment for a turbomachine, using a relative-measurement jack
11/28/2012CN102799123A Load and temperature double-control power supply heat radiating device
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