| Patents for F04D 15 - Control, e.g. regulation, of pumps, pumping installations, or systems (4,967) |
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| 01/23/2013 | CN202690470U Multi-mode pressure water pump |
| 01/23/2013 | CN102889217A Integrated control valve of constant-head/check valves |
| 01/23/2013 | CN102889216A Method for measuring flowing induced vibration of centrifugal pump rotor |
| 01/22/2013 | US8356973 Turbocharger |
| 01/17/2013 | US20130015786 Switching power supply circuit |
| 01/16/2013 | EP2546525A1 Circulation pump with spiral housing |
| 01/16/2013 | EP2546524A2 Circulation pump with magnetic coupling with separating can monitoring |
| 01/16/2013 | EP2545281A1 Controller-integrated motor pump |
| 01/16/2013 | CN202673707U Negative-rotation detecting device of electric water pumping unit |
| 01/16/2013 | CN202673699U Vertical type self-priming pump |
| 01/16/2013 | CN202673698U Pressure valve and suction and spray nozzle combined self-suction device for self-suction pump |
| 01/16/2013 | CN102878092A Novel energy-saving and speed-regulation electric water feeding pump system |
| 01/16/2013 | CN102878091A Method for determining centrifugal pump full-condition theoretical lifts based on internal flow measurement |
| 01/16/2013 | CN102878089A Improved intelligent water pump |
| 01/16/2013 | CN101440816B Pressure relief arrangement for a pump |
| 01/16/2013 | CN101089399B Pump assembly with rotational speed control |
| 01/15/2013 | US8353678 Controller for a motor and a method of controlling the motor |
| 01/15/2013 | US8353676 Method for determining faults during the operation of a pump unit |
| 01/10/2013 | US20130011237 Energy saving pump with multiple impellers |
| 01/09/2013 | EP2542785A1 Adjustable mechanical coolant pump |
| 01/09/2013 | CN202659516U Electronic automatic self-priming vortex pump |
| 01/09/2013 | CN102865233A Method for determining slip factors of centrifugal pump on basis of internal flow measurement under all conditions |
| 01/09/2013 | CN102865232A Energy saving system of electrically driven feed pump of power frequency-variable frequency switching type liquid coupling |
| 01/08/2013 | CA2683340C Fluid control system with autonomously controlled pump |
| 01/03/2013 | WO2012116675A3 Device and method for the defined longitudinal shifting of an adjusting device which rotates along in a drive shaft |
| 01/03/2013 | DE102011056865B3 Device for controlling heat circulation pump, has control unit which controls heat circulation pump depending on measured signals or control commands |
| 01/02/2013 | CN202646037U Automatic pumping device of submersible pump |
| 01/02/2013 | CN102852824A Oriented running alternating-current permanent-magnet synchronous water pump and orientation control method |
| 12/27/2012 | WO2012174718A1 Single-phase permanent magnet rotor electric water pump only rotating in right direction and its realization method |
| 12/27/2012 | DE102012210518A1 Pumpenanordnung und Verfahren Pump assembly and method |
| 12/26/2012 | EP2538085A2 Pump assembly and method |
| 12/26/2012 | EP2536928A1 Mechanical coolant pump |
| 12/26/2012 | CN202628547U Submersible pump for environment-friendly air conditioner |
| 12/26/2012 | CN202628546U Cooling tower water pump of capable of regulating voltage automatically |
| 12/26/2012 | CN202628545U Closed pipeline device for pump testing system |
| 12/26/2012 | CN202628542U Burnt preventing submersible pump |
| 12/26/2012 | CN102844539A Mechanical coolant pump |
| 12/20/2012 | WO2012173552A1 Method for controlling at least a part of a pump station |
| 12/20/2012 | WO2012173551A2 Method for controlling a pump |
| 12/20/2012 | CA2838491A1 Method for automatic mutual alternation between pumps |
| 12/20/2012 | CA2838258A1 Method for controlling at least a part of a pump station |
| 12/19/2012 | EP2534381A1 Cooling pump with a valve group |
| 12/19/2012 | EP2534380A1 Mechanical coolant pump |
| 12/19/2012 | CN202612179U Flow increasing energy conversion power saving device of water pump |
| 12/19/2012 | CN202612128U Automatic water diversion device for water pump |
| 12/19/2012 | CN102828971A Method of starting centrifugal pump in discharge valve opening state |
| 12/13/2012 | WO2012167961A1 Infinitely adjustable coolant pump |
| 12/13/2012 | WO2012167953A1 Controllable coolant pump |
| 12/13/2012 | US20120315160 Mechanical coolant pump |
| 12/13/2012 | DE102011077030A1 Regelbare Kühlmittelpumpe Controllable coolant pump |
| 12/13/2012 | DE102011077029A1 Stufenlos regelbare Kühlmittelpumpe Infinitely adjustable coolant pump |
| 12/12/2012 | CN202597168U Novel alcohol resisting pump |
| 12/12/2012 | CN202597132U Novel dry running protection water pump |
| 12/12/2012 | CN202597131U Dry running protection control device of turbine type water pump |
| 12/12/2012 | CN202597130U Water level self-control water pump |
| 12/12/2012 | CN202597129U Solar variable-frequency water pumping control system without energy storage device |
| 12/12/2012 | CN202597128U Water inductive type submersible pump |
| 12/12/2012 | CN202595851U Remote-controlled water feed device for toilet cistern |
| 12/12/2012 | CN102817856A Portable series excited motor garden jet pump |
| 12/06/2012 | WO2012165048A1 Water supply system |
| 12/05/2012 | CN202579219U Device capable of controlling starting or stopping of sewage pump automatically |
| 12/05/2012 | CN202579218U Intelligent pressure adjusting water pump |
| 12/05/2012 | CN202579217U Intelligent dual-control energy-saving device |
| 12/05/2012 | CN202579216U Device for measuring cylindrical coordinates of curved surface for impeller blade of centrifugal pump |
| 12/05/2012 | CN202579212U Electric water pump |
| 12/05/2012 | CN102808784A Hydraulic model testing device for water pump |
| 12/05/2012 | CA2754290A1 Advanced frequency variable pump speed controller and method of operating |
| 11/29/2012 | WO2012160096A1 Float switch device for submersible pumps |
| 11/28/2012 | CN202560608U Energy-saving control device for fans or water pumps |
| 11/28/2012 | CN202560576U Automatic electric pump control circuit with protection function |
| 11/28/2012 | CN202560361U Speed regulating water pump |
| 11/28/2012 | CN102797686A Water pump bottom valve opening and closing device |
| 11/28/2012 | CN102797684A Low-cost submersible sewage pump |
| 11/28/2012 | CN102797682A Combined sewage self-priming pump |
| 11/28/2012 | CN101372980B Water feeding apparatus |
| 11/22/2012 | WO2012156726A1 Control device and pump apparatus |
| 11/22/2012 | DE102011076138A1 Aktuatorik zur Verstellung einer regelbaren Kühlmittelpumpe Actuator for adjusting a variable coolant pump |
| 11/22/2012 | DE102011076137A1 Aktuatorik für eine geregelte Kühlmittelpumpe Actuator for a controlled coolant pump |
| 11/21/2012 | CN202545288U Water filling detector of water pump |
| 11/21/2012 | CN202545287U Wind-driven centrifugal pump simulation testing system |
| 11/21/2012 | CN102792029A Mechanical coolant pump |
| 11/21/2012 | CN102792028A Controller-integrated motor pump |
| 11/21/2012 | CN102789296A Water pump and cooling head integrated water cooling device |
| 11/15/2012 | WO2012154971A2 System and method to measure hydrocarbons produced from a well |
| 11/15/2012 | WO2012152238A1 Controllable coolant pump |
| 11/15/2012 | WO2012121680A3 Pump control device with multiple sensors microprocessor controllers |
| 11/14/2012 | CN102782329A Cooling pump with a valve group |
| 11/14/2012 | CN102777392A Testing device for oil impeller for supplying oil to two-way thrust bearing of reactor coolant pump |
| 11/14/2012 | CN102777391A Automobile electronic water pump controller |
| 11/13/2012 | US8307645 Apparatus and method for avoidance of turbocharger surge on locomotive diesel engines |
| 11/08/2012 | US20120279576 Motor Vehicle Having a Storage Tank for a Reducing Agent |
| 11/08/2012 | DE102011056588B3 Circulating pump for dishwasher, has additional discharge nozzle that cooperates with additional valve unit with pressure connector, where valve unit comprises valve actuated with drive unit for water-tight closing |
| 11/07/2012 | CN202520578U Slurry circulating pump with speed controller |
| 11/07/2012 | CN202520577U Centrifugal water pump self-priming automatic control device |
| 11/07/2012 | CN202520576U Safety fresh water pump |
| 11/07/2012 | CN202520575U Wind power centrifugal pump simulation test system |
| 11/07/2012 | CN202520572U Pneumatic submersible pump with idle overspeed protection function |
| 11/07/2012 | CN102767526A Control system and control method for pumping and metering of easy-to-vaporize medium |
| 10/31/2012 | EP2516864A1 Turbo-machine thrust balancer |
| 10/31/2012 | CN202510380U Flow regulating device of reflux type centrifugal water pump |