| Patents for F04D 15 - Control, e.g. regulation, of pumps, pumping installations, or systems (4,967) |
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| 10/10/2007 | CN101050770A Multiple fan parallel type wind-light complementary water pumping system |
| 10/04/2007 | US20070231119 Fan controlling system and method |
| 10/03/2007 | EP1841044A2 Washing out of a seamed plate |
| 10/03/2007 | EP1840382A2 Solar circulation pump and method for regulating, controlling and adjusting the performance of a solar circulation pump |
| 10/03/2007 | CN200955508Y Execution mechanism for condensed-water recovering pump |
| 10/03/2007 | CN200955504Y Starting control device for pump |
| 09/27/2007 | WO2007108711A1 Waste water pumping device |
| 09/27/2007 | US20070224030 Fan system with hysteresis character and method thereof |
| 09/27/2007 | DE19719777B4 Vorrichtung zur Begrenzung der Brandgefahr im Inneren einer Turbomaschine A device for limiting the risk of fire in the interior of a turbomachine |
| 09/26/2007 | CN200952478Y Fixed-speed control circuit for submersible pump |
| 09/26/2007 | CN101044322A Pump with selectable outlet pressure |
| 09/26/2007 | CN100339600C 泵装置 Pump device |
| 09/25/2007 | CA2369956C Rotor device |
| 09/19/2007 | EP1835265A2 Sensor assembly |
| 09/19/2007 | EP1834097A1 Improved pump and method |
| 09/19/2007 | CN200949535Y Pressure controller for water pump |
| 09/19/2007 | CN200949534Y 耐腐蚀泵 Naifushibeng |
| 09/19/2007 | CN200949533Y Coal mine down-hole tunnel temporary automatically staring and stopping device for water pump in small water sump |
| 09/13/2007 | DE102007010768A1 Regulator for regulating operation of e.g. centrifugal pump, has module to determine flow acquisition data based on different pump- and motor parameters such as number of revolutions, torque and efficiency, from calibrated flow curves |
| 09/13/2007 | DE102007009302A1 Pump flow determining method for e.g. centrifugal pump, involves providing calibrated curve with closed valve with revolutions, and calculating coefficients from curve for output against flow rate on basis of performance ratio of pump |
| 09/13/2007 | DE102007009301A1 Centrifugal pump, gyroscope mixer, rotary axial blower/centrifugal compressor`s operation regulating procedure, involves comparing actual and threshold flow values, corrected based on pumping rotation speed to determine operating condition |
| 09/12/2007 | CN200946587Y Intelligent protection and monitor flow pump for chemical industry |
| 09/12/2007 | CN200946583Y Intelligent protection and monitor circulating water pump |
| 09/12/2007 | CN200946582Y Intelligent protection and monitor condensate pump |
| 09/12/2007 | CN200946579Y Butterfly type hydraulic water pump valve |
| 09/12/2007 | CN200946575Y Intelligent protection and monitor submersible pump |
| 09/12/2007 | CN200946574Y Omnirange monitored intelligent magnetic pump |
| 09/12/2007 | CN200946573Y Washing pump for automobile front and rear wind window |
| 09/12/2007 | CN101033749A Method for optimizing valve position and pump speed in a pid control valve system without the use of external signals |
| 09/12/2007 | CN101033748A Method for determining pump flow without the use of traditional sensors |
| 09/06/2007 | DE202007008943U1 Entleerungshilfe für Heizkörper An auxiliary for radiators |
| 09/05/2007 | CN200943611Y Intelligent emulsion pump station for mining |
| 09/05/2007 | CN200943586Y Matched intelligence set of sewage treatment device |
| 09/05/2007 | CN200943584Y Differential pressure full-automatic valve of self priming pump |
| 09/05/2007 | CN101031723A Vertical shaft centrifugal pump, rotor for the pump, and air conditioner |
| 09/04/2007 | US7263978 Dual pressure on demand automotive fuel pump |
| 08/30/2007 | WO2007095685A1 An industrial process efficiency method and system |
| 08/29/2007 | EP1826408A2 Metering pump with self-calibration and health prediction |
| 08/29/2007 | CN200940608Y Intelligent protection monitor horizontal double sucking pump |
| 08/22/2007 | CN2937562Y Portable discharge pump for eel culturing in net pen |
| 08/22/2007 | CN1333155C Pump for recovering condensate in pneumatic unit |
| 08/22/2007 | CN101021725A 污水泵站监控系统 Sewage Pumping Station Monitoring System |
| 08/22/2007 | CN101021217A 水泵控制器 Pump Controller |
| 08/16/2007 | DE19724564B4 Zirkulationspumpe mit Durchströmsperre Circulation pump with flow arrester |
| 08/15/2007 | EP1818068A2 Centrifugal fluid pump assembly |
| 08/15/2007 | EP1247985B1 Method for selecting centrifugal fluid machine by computer |
| 08/15/2007 | CN2934676Y 水泵 Pump |
| 08/15/2007 | CN2934675Y Constant hoisting height/ check water pump dedicated valve |
| 08/15/2007 | CN2934672Y Uninterrupted feed water pump |
| 08/15/2007 | CN2934671Y Water pump |
| 08/14/2007 | US7255539 Pump pressure limiting engine speed control |
| 08/14/2007 | US7254948 Boost wastegate device for EGR assist |
| 08/09/2007 | DE19781894B4 Selbstansaugende Kreiselpumpe Self-priming centrifugal pump |
| 08/08/2007 | EP1816352A2 Controller for a motor and a method of controlling the motor |
| 08/08/2007 | CN2931870Y Water shortage protection pump used for water cluster and fountain |
| 08/08/2007 | CN101014838A Proximity sensor for level sensing in a bilge |
| 08/08/2007 | CN101012836A Variable-frequency speed-adjusting energy-saving water pump fuzzy control method |
| 08/01/2007 | CN2929267Y 泵动力输入离合装置 Pump power input clutch device |
| 07/27/2007 | CA2575925A1 Centrifugal pump casing relief system |
| 07/26/2007 | WO2007082638A1 Method for compensating wear and tear of pumps |
| 07/26/2007 | US20070172360 Method for diagnosing operating states of a synchronous pump, and device for carrying out said method |
| 07/26/2007 | US20070172359 Immersion Pump Equipped With A Float Control Device |
| 07/25/2007 | CN2926596Y Circular DC water-pump controllable valve |
| 07/25/2007 | CN2926595Y DC water-pump controllable valve with low resistance |
| 07/25/2007 | CN2926594Y DC water-pump controllable valve with small water hammer |
| 07/25/2007 | CN2926593Y DC water-pump controllable valve with low reflux speed |
| 07/25/2007 | CN2926590Y High-lift submersible electric pump |
| 07/24/2007 | US7248178 RF communication with downhole equipment |
| 07/19/2007 | US20070166169 Method and arrangement for controlling a pumping station |
| 07/18/2007 | CN2924089Y Pressure-regulation type multifunction water pump control valve |
| 07/18/2007 | CN101000058A Integrated automatic mining explosion-proof submersible sand discharging pump |
| 07/18/2007 | CN101000057A Integrated automatic submersible draining pump |
| 07/11/2007 | EP1660777B1 Electronic control device for a synchronous pump |
| 07/11/2007 | CN2921378Y Automatic electronic water pump |
| 07/11/2007 | CN2921377Y Electronic automatic water pump |
| 07/10/2007 | US7240682 Washing fluid pump |
| 07/05/2007 | US20070156361 Self calibrating fan |
| 07/04/2007 | CN2918804Y 电子自控式水泵 Electronic-controlled pumps |
| 07/04/2007 | CN2918803Y Electronic automatic control water pump |
| 06/28/2007 | WO2007073210A1 Variable pump |
| 06/28/2007 | WO2007071352A1 Speed-regulating unit in a fluid-cooled configuration |
| 06/28/2007 | WO2007071217A1 Controllable coolant pump |
| 06/28/2007 | DE102005060887A1 Drehzahlregelgerät in fluidgekühlter Ausführung Speed control device in fluid-cooled version |
| 06/27/2007 | EP1800005A2 Embedded fluid pump using a homopolar motor |
| 06/27/2007 | CN2916202Y Automatic starting and stopping type submersible pump for mining |
| 06/27/2007 | CN1987110A Leak-proof method and system for fluid pipeline pump |
| 06/27/2007 | CN1323229C Device for driving a coolant pump |
| 06/26/2007 | US7234922 Pump pressure limiting engine speed control and related engine and sprinkler system |
| 06/21/2007 | WO2007068455A1 Waste water lifting system |
| 06/21/2007 | US20070137898 Automatic downlink system |
| 06/21/2007 | DE102005060253A1 Device for reversing the flow direction of fluid media comprises bypasses running parallel to a conveyor pump and connected to a conveying line by shut-off devices |
| 06/13/2007 | EP1795448A1 Air processing circuit for a sterilizing unit for sterilizing sheet packaging materials for packaging pourable food products, and sterilizing unit featuring such a circuit |
| 06/13/2007 | EP1354137B1 Method for controlling an assist pump for fluid delivery systems with pulsatile pressure |
| 06/13/2007 | CN2911262Y Water supply power saver of deep-well pump |
| 06/06/2007 | DE102005056200A1 Fluid medium pump e.g. cooling medium pump, for internal combustion engine of motor vehicle, has regulating unit that is mechanically adjustable, where flow rate is regulatable by wax type thermostat depending on cooling medium temperature |
| 06/06/2007 | DE10133861B4 Antriebssystem für Pumpen Drive system for pumps |
| 06/06/2007 | CN2908866Y Submerged pump with power-off protector when water-break |
| 06/06/2007 | CN2908865Y Drive device for driving high, low pressure water pump by one machine |
| 06/06/2007 | CN1977115A Torque controlled pump protection with mechanical loss compensation |
| 06/05/2007 | CA2180875C Variable speed pump-motor assembly for fuel dispensing system |