Patents
Sitemap › F04 - Positive-displacement machines for liquids; Pumps for liquids or elastic fluids › F04D - Non-positive-displacement pumps › F04D 15 - Control, e.g. regulation, of pumps, pumping installations, or systems
Patents for F04D 15 - Control, e.g. regulation, of pumps, pumping installations, or systems (4,967)
10/2012
10/31/2012CN102758903A Stepless speed regulator and control method, and fan clutch and water pump using device
10/31/2012CN102120072B Control and polling inspection integrated electrical system of fire pump group
10/26/2012WO2012145222A1 System and method for evaluating the performance of a pump
10/26/2012WO2012119622A3 Controllable cooling system for a motor vehicle, coolant pump therefor, impeller for use in the coolant pump, and method for controlling a coolant flow in such a cooling system
10/26/2012CA2833337A1 System and method for evaluating the performance of a pump
10/24/2012CN202500789U Novel water pump condition detection station
10/24/2012CN202500785U Automatic solar energy water supplementing device
10/24/2012CN102753831A Method for optimising the energy of pumps
10/24/2012CN102748303A Water supply device
10/24/2012CN102748302A Automatic sewage discharge control device for horizontal centrifugal pumps
10/23/2012US8291703 Variable geometry turbine
10/17/2012CN202493448U Horizontal self-absorbing pump
10/17/2012CN102734184A Method and arrangement for estimating flow rate of pump
10/17/2012CN102734183A Method of detecting wear in a pump driven with a frequency converter
10/17/2012CN102734182A Method for improving sensorless flow rate estimation accuracy of pump driven with frequency converter
10/17/2012CN102734181A Water supply device
10/17/2012CN102734178A Magnetorheological clutch centrifugal pump
10/10/2012CN202483907U Intelligent variable-frequency water pump
10/09/2012US8282361 Controller for a motor and a method of controlling the motor
10/09/2012CA2681818C Systems and methods for reducing pump downtime by determining rotation speed using a variable speed drive
10/03/2012EP2505847A1 Method of detecting wear in a pump driven with a frequency converter
10/03/2012EP2505846A1 Method and arrangement for estimating flow rate of pump
10/03/2012EP2505845A1 Method for improving sensorless flow rate estimation accuracy of pump driven with frequency converter
10/03/2012EP2505844A2 Automatic pump and an operation control method for the same
10/03/2012CN202468350U Sewage submersible electric pump
10/03/2012CN102713301A Pump unit
10/03/2012CN102713300A Automatic pump and an operation control method for the same
10/02/2012CA2672459C Speed control
10/02/2012CA2480467C Implantable heart assist system
09/2012
09/27/2012WO2012127783A1 Water distribution pressure control system
09/27/2012DE102012000055A1 Vorrichtung zum Steuern einer elektrischen Ölpumpe An apparatus for controlling an electric oil pump
09/26/2012EP2503155A2 Pumping device and liquid circulation system with the device
09/26/2012EP2501938A1 Rotary pump arrangement having a controller and/or regulator
09/26/2012CN202451468U Single-stage double suction axially split centrifugal pump provided with air regulating valve
09/26/2012CN101033749B Controller and method therof
09/20/2012WO2012123165A1 Regulatable coolant pump
09/20/2012DE102011005476A1 Adjustable coolant pump for cooling circuit of internal combustion engine, has impeller which protrudes into suction chamber blades which is curved in three dimensions, and guide rotatable about rotation axis in relative to impeller
09/20/2012DE102011005473A1 Regelbare Kühlmittelpumpe Controllable coolant pump
09/19/2012EP2500579A1 Detection of cavitation and gas entrainment in an electric rotary pump
09/19/2012CN202441617U Pressure regulation device for submersible electric pump
09/19/2012CN202441616U Farm-oriented energy-saving depth-regulating well pump
09/19/2012CN202441615U Submersible pump permanent magnetism floating ball controlling tongue tube cable
09/19/2012CN102678610A Auxiliary sealing device for pump, long-shaft pump and leakless overhaul method
09/19/2012CN102086799B Electronic cooling water pump of variable-flow engine
09/19/2012CN101858353B Controllable whirling device for centrifugal pump
09/18/2012US8266943 Flow rate estimation device for a blood pump and a blood pump system including the device
09/13/2012WO2012121680A2 Pump control device with multiple sensors microprocessor controllers
09/13/2012WO2012119622A2 Controllable cooling system for a motor vehicle, coolant pump therefor, impeller for use in the coolant pump, and method for controlling a coolant flow in such a cooling system
09/12/2012CN202431545U Control circuit for pit submersible pump
09/12/2012CN202431503U Intelligent online operation monitor for water pump systems
09/07/2012WO2012116676A1 Controllable coolant pump
09/07/2012WO2012116675A2 Device and method for the defined longitudinal shifting of an adjusting device, which rotates along in a drive shaft
09/06/2012DE102011001090A1 Regelbares Kühlsystem für ein Kraftfahrzeug, Kühlmittelpumpe hierfür, in der Kühlmittelpumpe verwendbares Flügelrad sowie Verfahren zum Regeln eines Kühlmittelflusses in einem derartigen Kühlsystem Controllable cooling system for a motor vehicle, this coolant pump, in the coolant pump impeller and suitable method for controlling a refrigerant flow in such a cooling system
09/05/2012EP2494209A2 Fan array control system
09/05/2012CN202417967U Automobile water pump with air pressure regulating device
09/05/2012CN202417966U Pneumatic energy-saving piston balancing water pump control valve
09/05/2012CN202417958U Alternating-current one-way permanent magnet motor type water pump
08/2012
08/30/2012WO2012113497A1 Operation of an electric motor-driven pump for optimal power by positive feedback
08/30/2012WO2011088976A8 Pump unit
08/30/2012US20120219399 Electric device
08/25/2012WO2011100825A1 Multiple switch float switch apparatus
08/25/2012CA2827117A1 Multiple switch float switch apparatus
08/22/2012EP2489881A2 Coolant pump with adjustable capacity
08/22/2012EP2489801A1 Waste water hoisting facility
08/22/2012EP2489800A1 Waste water hoisting facility
08/22/2012EP2489798A1 Waste water hoisting facility
08/22/2012EP2489796A1 Waste water hoisting facility
08/22/2012CN202391754U Three-pipeline testing machine for centrifugal pump
08/22/2012CN202391753U Water pump with water-shortage protection device
08/22/2012CN102644608A Automatic operation control system of primary settling section sludge pump and control method of automatic operation control system
08/22/2012CN102644607A Submersible pump special for toilet
08/22/2012CN102644604A Automatic priming device for centrifugal pump
08/22/2012CN101109387B Photovoltaic water pump system with hydraulic pressure control function
08/15/2012EP2486282A2 Coolant pump
08/15/2012CN202381346U Vertical single-stage double-suction centrifugal pump
08/15/2012CN102635559A Closed pipeline device of pump test system
08/15/2012CN102635556A Coolant pump which exhibits an adjustable delivery volume
08/15/2012CN101852202B Double-aperture adjustable slow-closure control valve for water pump
08/14/2012US8240978 Method for fan control according to the position of a device and device implementing the procedure
08/08/2012EP2483564A1 Centrifugal pump unit having a switching device
08/08/2012CN202370864U Flow and pressure stabilization control device for fire engine
08/08/2012CN202370863U Electric water pump for cooling automobile engine
08/01/2012CN202360411U Integrated energy saver of pump valve
08/01/2012CN102619765A Water supply device
08/01/2012CN102619762A Solar energy photovoltaic automatic water pumping system
07/2012
07/26/2012WO2012099242A1 Water supply device
07/25/2012CN202348708U Water pump of engine electromagnetic clutch
07/25/2012CN202348707U Energy-saving water supply unit controller
07/25/2012CN202348704U Underwater submersible sewage absorbing machine
07/25/2012CN202348701U Submersible pump with water level adjusting device
07/25/2012CN102606491A Self-priming self-control method and device for centrifugal water pump
07/19/2012WO2012095249A1 System and method for pressure control in a network
07/18/2012EP2476907A1 System and method for pressure control in a network
07/18/2012CN102597529A 风扇阵列控制系统 Fan array control systems
07/18/2012CN102588069A Speed-adjustable water pump
07/12/2012WO2012062271A3 Controllable coolant pump
07/11/2012CN202326290U 水泵自控安全控制系统 Pump-controlled safety control system
07/11/2012CN202326288U 一种变频增速深井潜水泵 One kind of frequency growth Submersible Pumps
07/11/2012CN202326284U 一种自动抽油装置 An automatic oil rig
07/11/2012CN102575679A Immersion pump assembly
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