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)
11/2011
11/30/2011	CN102261343A 一种风扇调速的装置及方法 Apparatus and method for a fan speed control
11/30/2011	CN101614217B 风扇转速控制方法和主控制器 Fan speed control methods and the main controller
11/29/2011	US8066471 Annular flow duct for a turbomachine through which a main flow can flow in the axial direction
11/24/2011	WO2011145444A1 Deposit detection device for exhaust pump, and exhaust pump provided with the device
11/24/2011	WO2011144463A1 Control device for a turbocharged internal combustion engine
11/23/2011	EP2050943B1 Control device for internal combustion engine with supercharger
11/23/2011	CN202048014U High speed centrifugation compressor PID control system based on double diversion blades
11/23/2011	CN202048013U Manageable fan pull-and-plug board
11/23/2011	CN202048012U Radiator fan circuit structure with Hall signal amplification factor gain function
11/23/2011	CN102251980A Subway tunnel fan control system
11/23/2011	CN102251979A Magnetic levitation molecular pump unstability recovery control method
11/23/2011	CN102251978A Fan control method
11/23/2011	CN101245787B Fan device
11/22/2011	US8061974 Compressor with variable-geometry ported shroud
11/22/2011	US8061962 Method of optimizing a ducted anti-torque rotor of a rotorcraft, in particular a helicopter, to minimize acoustic annoyance, and a ducted anti-torque rotor obtained thereby
11/17/2011	WO2011141296A1 Surge control of a plurality of compressors arranged in series
11/17/2011	US20110280725 Long Term Rotor Parking on a Wind Turbine
11/17/2011	US20110277860 Systems for compressing a gas
11/17/2011	DE202011051589U1 Filterlüfter für einen Schaltschrank Filter fan for cabinet
11/16/2011	EP2386762A1 Method of anti-surge protection for a dynamic compressor using a surge parameter
11/16/2011	EP1570181B1 Variable geometry diffuser mechanism
11/16/2011	CN202042882U Circuit capable of realizing variable-frequency speed regulation and temperature protection circuit to fan
11/16/2011	CN202042455U Integrated FFL with heat-dissipating function
11/16/2011	CN202042048U Infrared remote-control speed regulator for ceiling fan
11/16/2011	CN202040112U Concentrated and diffused wind adjusting mechanism of electric fan
11/16/2011	CN202040109U Temperature control electric fan
11/16/2011	CN202040106U Fan capable of realizing up-and-down air out
11/16/2011	CN202040101U Electric fan with sleep mode
11/16/2011	CN202040099U Energy-saving desk fan capable of detecting human body
11/16/2011	CN202040098U Gas induction exhaust fan
11/16/2011	CN102243148A Constant flow gas sampling device and method
11/16/2011	CN102242726A Projector and method and system for controlling rotation speed of fan in projector
11/16/2011	CN102242722A Maglev molecular pump, and control method and manufacturing method thereof
11/16/2011	CN102242721A Magnetic suspension molecular pump and manufacturing method thereof
11/15/2011	US8056336 Turbocharger with variable nozzle having vane sealing surfaces
11/10/2011	US20110274533 Fluid turbine with moveable fluid control member
11/09/2011	EP2384400A1 Variable pressure ratio compressor
11/09/2011	EP2384399A1 Improvements in multi-stage centrifugal compressors
11/09/2011	CN202034943U Drying system blower motor frequency converter control system
11/09/2011	CN202034166U Monitoring and communication module of cooling device for high-voltage transformer
11/09/2011	CN202031862U Machine cabinet provided with fan module controller, fan module and machine frame type cutting blade
11/09/2011	CN202031848U Electric fan based on infrared induction control
11/09/2011	CN102239326A Fuel delivery and control system including a positive displacement actuation pump with a variable pressure regulator supplementing a fixed displacement main fuel pump
11/09/2011	CN102239325A Fuel delivery and control system including a variable displacement actuation pump supplementing a fixed displacement main pump
11/09/2011	CN102235377A Radiator fan system with repairable electronic component
11/09/2011	CN102235376A Automatic thermoregulation fan
11/08/2011	US8052375 Fluidic sealing for turbomachinery
11/08/2011	US8052373 Multi-rotational crankshaft arrangement
11/03/2011	US20110268569 Method for controlling a wind turbine, and wind turbine arrangement
11/03/2011	US20110265443 System and method for adjusting compressor inlet fluid temperature
11/02/2011	CN202023756U Bladeless fan
11/02/2011	CN202023747U Cooling fan with forward and backward rotating functions
11/02/2011	CN102230476A Wired intelligent system of network fan
10/2011
10/27/2011	WO2011133293A1 Fan stall detection system
10/27/2011	WO2011131214A1 Method and device for determining volumetric flow rate
10/27/2011	WO2011130807A2 Method for controlling a compressor
10/27/2011	US20110263894 Method for compressing gases containing hydrogen sulfide
10/26/2011	EP2381184A1 System for automatically adjusting the pressure of a fan as a function of the required flow rate
10/26/2011	EP2379845A1 Gas turbine composite workpiece to be used in gas turbine engine
10/26/2011	CN202017643U Cutting machine and frequency conversion constant voltage control system thereof
10/26/2011	CN202017636U A decorative ceiling fan having speed-level displayer
10/26/2011	CN101317720B Air inflation apparatus
10/20/2011	US20110255951 Axial Thrust Balanced Impeller For Use With A Downhole Electrical Submersible Pump
10/19/2011	EP2377759A1 Integral add heat and surge control valve for compressor
10/19/2011	EP2376785A1 Machine for fluid transportation
10/19/2011	EP2212561B1 Housing for a radial compressor
10/19/2011	CN202012492U PWM (Pulse-Width Modulation) speed regulation module used for cooling fan of automobile engine
10/19/2011	CN202012491U Heat radiation device of heavy fork truck temperature control electronic fan
10/19/2011	CN202012490U Heat radiation fan circuit structure with both low noise and high rotating speed functions
10/19/2011	CN202012489U Dryer frequency conversion device
10/19/2011	CN102224346A Method for operating a multistage compressor
10/19/2011	CN102220998A Embedded electric fan intelligent energy-saving device for electronic products
10/19/2011	CN102220997A Exhaust fan for bathroom
10/19/2011	CN102220996A Fan speed regulation method and device decoupled with software version
10/19/2011	CN102220995A Improved vacuum chamber angle valve
10/19/2011	CN102220994A Angle valve of vacuum chamber
10/19/2011	CN102220993A Fan assembly
10/19/2011	CN102220961A Air compressor energy-saving and pressure-stabilizing controlling system and air compressor
10/19/2011	CN101460707B Annular flow duct for a turbomachine through which a main flow can flow in the axial direction
10/13/2011	WO2011126540A1 Fc fan flow measurement system
10/13/2011	WO2011056319A4 Fan array control system
10/13/2011	WO2010086009A9 Improvements in multi-stage centrifugal compressors
10/13/2011	WO2008138075A8 Method for controlling a turbocompressor
10/13/2011	US20110250049 Airflow From A Blower With One Or More Adjustable Guide Vanes That Are Affixed To The Blower At One Or More Pivot Points Located In An Outlet Of The Blower
10/13/2011	US20110250047 Airflow From A Blower With One Or More Adjustable Guide Vanes That Are Affixed To The Blower At One Or More Pivot Points Located In An Outlet Of The Blower
10/13/2011	US20110250046 Turbofan engine performance recovery system and method
10/13/2011	CA2795670A1 Fc fan flow measurement system
10/12/2011	EP2375081A2 System and method for monitoring a compressor
10/12/2011	CN102213985A Radiating base and radiating base system capable of being automatically started or stopped and radiating method thereof
10/12/2011	CN102213228A Automotive air-conditioning fan control system and control method
10/12/2011	CN102213227A Multi-fan combined control system
10/12/2011	CN102213226A Warming and ventilating fan used in bathrooms
10/12/2011	CN102213225A Fan with cold/warm wind changeover function
10/11/2011	US8033782 Method to prevent brinelling wear of slot and pin assembly
10/06/2011	WO2011120825A1 Turbocharger housing having a valve device, and method for manufacturing a turbocharger housing of said type
10/06/2011	WO2011066629A3 Method for controlling a compossed device and compossed device wherein such method is applied
10/05/2011	CN202003292U Intelligent heat radiation rack of laptop
10/05/2011	CN202001349U Frequency conversion control system of blast blower
10/05/2011	CN202001348U Frequency conversion control system of fan
10/05/2011	CN202001347U Flow compensation device of fan

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