| Patents for F04D 15 - Control, e.g. regulation, of pumps, pumping installations, or systems (4,967) |
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| 03/29/2012 | DE102007010768B4 Verfahren für die Optimierung der Ventilstellung und der Pumpendrehzahl in einem Ventilsystem mit PID-Regelung ohne die Verwendung externer Signale A method for the optimization of the valve position and pump speed in a valve system with PID control without the use of external signals |
| 03/29/2012 | DE102007009301B4 Verfahren und Vorrichtung zum Pumpenschutz ohne den Einsatz traditioneller Sensoren Method and apparatus for pump protection without the use of traditional sensors |
| 03/28/2012 | EP2434161A2 Seal for a controllable coolant pump |
| 03/28/2012 | EP2433010A1 Method and device for determining an operating point of a work machine |
| 03/28/2012 | EP2432681A1 Tank arrangement adapted for a submersible pump |
| 03/28/2012 | EP2354556A9 Method in connection with a pump driven with a frequency converter and a frequency converter |
| 03/28/2012 | CN202176521U 一种潜水泵的自动保护模块 Automatic protection module a submersible pump |
| 03/28/2012 | CN102395794A Controller for a liquid supply pump |
| 03/22/2012 | US20120070266 Turbo-machine temperature control |
| 03/22/2012 | DE102010022844A1 Water pumping system has speed reduction unit provided between drive unit and pump unit, to reduce rotation speed of pump unit relative to drive unit |
| 03/21/2012 | CN202170876U 一种新型随机再循环止回阀 A new random recirculation valve |
| 03/21/2012 | CN202170875U 卧式离心泵自动排污水控制装置 Horizontal centrifugal automatic blowdown control device |
| 03/21/2012 | CN102388223A Dual duty compression machine |
| 03/21/2012 | CN101694215B Hemispherical control valve of slurry pump |
| 03/15/2012 | WO2012032882A1 Monitoring device for circulation flow path and apparatus mounted with the device |
| 03/14/2012 | CN202165281U 多级立式离心水泵的调压稳压装置 Vertical multistage centrifugal pump voltage regulator device |
| 03/14/2012 | CN202165278U 一种循环泵 A circular pump |
| 03/13/2012 | US8133034 Controller for a motor and a method of controlling the motor |
| 03/08/2012 | DE102010037379A1 Pumpenanordnung mit integrierter Vibrationsmessung Pump assembly with integrated vibration measurement |
| 03/07/2012 | EP2426360A2 Pump assembly with integrated vibration measurement |
| 03/07/2012 | EP2425138A1 Switchable coolant pump |
| 03/07/2012 | CN101761492B Two-door pump valve |
| 03/01/2012 | WO2012025289A1 Centrifugal pump |
| 03/01/2012 | WO2012024778A1 Electric water pump with stator cooling |
| 03/01/2012 | WO2011056319A8 Fan array control system |
| 03/01/2012 | DE102011004172B3 Kühlmittelpumpe mit verstellbarem Fördervolumen Coolant pump with variable displacement |
| 02/28/2012 | CA2731482C Pump control system and method |
| 02/22/2012 | EP2420679A1 Method, arrangement and a computer program product for determining correct running direction a fluid flow generating apparatus |
| 02/22/2012 | EP2420678A1 Centrifugal pump |
| 02/22/2012 | CN101846086B 一种用于离心泵的流体测试实验装置 A fluid test experimental device for centrifugal pumps |
| 02/21/2012 | US8118544 Bearing and retention mechanisms |
| 02/21/2012 | CA2494444C Progressive cavity pump |
| 02/16/2012 | WO2012021690A2 Pumping system and method for controlling it |
| 02/15/2012 | EP2288811B1 Device and method for pumping a cryogenic fluid |
| 02/15/2012 | CN101994704B 化工流程智能泵及其控制方法 Chemical Process Intelligence pump and control method |
| 02/15/2012 | CN101718274B 一种发动机电子水泵 An engine electronic pumps |
| 02/14/2012 | US8113317 Electric motor driven lubrication pump control system and method that accomodates turbomachine windmill operation |
| 02/08/2012 | EP2415940A1 Wastewater lifting station |
| 02/08/2012 | CN102345613A Angle mechanically-operated controller with built-in rotary blade |
| 02/08/2012 | CN102345612A Discharge pump for air conditioner |
| 02/08/2012 | CN101586571B 淤泥泵堵塞后自动停机控制系统 Sludge pump control system automatically shut down after the blockage |
| 02/02/2012 | DE10220579B4 Reinigungssystem für Scheinwerfer von Kraftfahrzeugen Headlight cleaning system for motor vehicles |
| 02/02/2012 | DE102010032540A1 Pump i.e. coolant pump for being arranged in refrigerant circuit to circulate coolant for combustion engine of motor car, has temperature extension element adjusting closure element between two positions depending on temperature |
| 02/01/2012 | EP2412981A1 Pump system |
| 02/01/2012 | CN101389868B 潜水泵 Submersible pumps |
| 01/26/2012 | DE102011015110B3 Dosiersystem Dosing |
| 01/25/2012 | CN202125436U Intelligent frequency conversion pump |
| 01/25/2012 | CN202125435U Pressure regulating water pump controller |
| 01/25/2012 | CN202125434U Membrane in water pump controller |
| 01/25/2012 | CN202125433U Dry running free rubber impeller pump and circuit system thereof |
| 01/25/2012 | CN102333959A Device for connecting an electric motor drive unit to a pump unit |
| 01/25/2012 | CN101749255B Pilot valve of pump unloading valve |
| 01/24/2012 | CA2517040C Variable speed pumping system and method |
| 01/19/2012 | DE102008022354B4 Regelbare Kühlmittelpumpe und Verfahren zu deren Regelung Controllable coolant pump and to processes for their control |
| 01/18/2012 | EP2406498A1 Controllable coolant pump |
| 01/18/2012 | CN102322426A Device for measuring coordinates of curved column for impeller blade of centrifugal pump |
| 01/18/2012 | CN101725536B Portable fire pump |
| 01/12/2012 | WO2012004544A1 Reversible-drive water pump |
| 01/12/2012 | WO2012003870A1 Garden pump arrangement having a flow sensor |
| 01/12/2012 | WO2012003788A1 Water pump control circuit and water pump control method |
| 01/12/2012 | DE19710675B4 Doppelpumpe mit Einzel- und Synchronbetrieb Double pump with single and synchronous operation |
| 01/12/2012 | DE102011101275B3 Regulatable coolant pump for internal combustion engine in motor car, has pressure line connected with pressure generator via control valve, path sensor arranged in housing, and adjusting spindle designed as spring attachment unit |
| 01/12/2012 | DE102011012826B3 Controllable coolant pump for internal combustion engine of motor car, has passage hole arranged between pressure channel and pressure chamber before magnetic valve, where magnetic valve produces defined pressurization of regulating valve |
| 01/12/2012 | DE102010026474A1 Garden pump assembly for crop irrigation via e.g. shower, has control element operated for switching on drive motor after shutdown and based on output pressure of pump, where control element is provided without pressure sensor |
| 01/11/2012 | EP2405142A2 Centrifugal pump rotor component |
| 01/11/2012 | CN102317570A Method and apparatus for monitoring of esp |
| 01/11/2012 | CN101761490B Control method for inlet water lifting pumps of sewage plant |
| 01/11/2012 | CN101443634B Device for transmitting measured values |
| 01/05/2012 | DE102010026132A1 Rotor for liquid pump for cooling circuit of internal combustion engine, has pressure relief valve integrated into rotor and forming path depending on difference between pressure side and suction side, where back path opens pressure side |
| 01/05/2012 | DE102010025560A1 Switchable coolant pump for internal combustion engine, has slide valve cooperating with spring elements, where additional force is applied on valve held in position for conveying coolant when pressure of medium is applied on valve |
| 01/04/2012 | CN102305214A Cooling pump compact in structure and convenient to install |
| 01/04/2012 | CN101228356B Adjustment device for adjusting propeller blades of a propeller pump and a propeller pump including such a device |
| 12/29/2011 | WO2011163521A2 Well watchman pumping and control system |
| 12/29/2011 | WO2011163375A1 Modular downhole gauge for use in retrievable electric submersible pump systems with wet-connect |
| 12/29/2011 | US20110318168 Exhaust-gas turbocharger |
| 12/29/2011 | DE112005001075B4 Drehmomentgesteuerte Pumpenschutzeinrichtung mit mechanischer Verlustkompensierung Torque-controlled pump protection device with a mechanical Verlustkompensierung |
| 12/29/2011 | CA2803884A1 Well watchman pumping and control system |
| 12/28/2011 | EP2399032A2 Device and method for conveying a liquid for medical purposes |
| 12/28/2011 | CN202091214U 一种无旋涡节能型水泵控制阀 A non-vortex energy-saving pump control valve |
| 12/28/2011 | CN102297142A 一种车用电子水泵 A vehicle electronic pumps |
| 12/22/2011 | WO2011157899A1 A turbomachine |
| 12/22/2011 | WO2011157459A1 Delivery device |
| 12/21/2011 | EP2397698A1 Conveying device |
| 12/21/2011 | EP2396554A1 Controller for a liquid supply pump |
| 12/21/2011 | EP2396506A1 Method and apparatus for monitoring of esp |
| 12/21/2011 | CN202082114U 多级立式离心水泵的调压装置 Vertical multistage centrifugal pump regulator device |
| 12/21/2011 | CN102287381A 用于锅炉给水泵的安全监控方法 Boiler feed pumps for security monitoring method |
| 12/21/2011 | CN102287380A 用于循环水泵的安全监控方法 Circulating pump safety monitoring methods for |
| 12/15/2011 | WO2011154852A1 Pump group for a cooling circuit, in particular for a motorbike |
| 12/15/2011 | WO2011154263A1 Domestic appliance having a liquid pump |
| 12/14/2011 | EP2395245A2 Variable flow water pump |
| 12/14/2011 | CN202073798U 野外无泵房免值守水泵装置 Field no duty-free pumping station pump system |
| 12/14/2011 | CN102282374A 用于流体输送的机器 For fluid transfer machine |
| 12/08/2011 | US20110298398 Driving system for fan and method of driving fan |
| 12/07/2011 | EP2392828A2 Seal for a controllable coolant pump |
| 12/07/2011 | CN102271728A 用于连续流动全人工心脏的生理性控制的方法 Physiological control method continuous flow total artificial heart for |
| 12/07/2011 | CN101634304B 恒压流体控制方法 Constant pressure fluid control method |
| 12/07/2011 | CN101487473B 深井泵 Deep well pump |
| 12/06/2011 | US8070457 Method for determining faults during the operation of a pump unit |
| 12/06/2011 | CA2522657C Pressure relief arrangement for a pump |