| Patents for F04D 15 - Control, e.g. regulation, of pumps, pumping installations, or systems (4,967) |
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| 05/07/2009 | DE102007054313A1 Umwälzpumpe, Heizsystem und Verfahren zur Bestimmung der Durchströmungsmenge einer Flüssigkeit durch eine Leitung Circulating pump, heating system and method for determining the flow rate of a liquid through a conduit |
| 05/07/2009 | DE102007052490A1 Valve for dual pump of window wiping system of motor vehicle, has valve bodies located on membranes, which are moved independent of each other, where one of membranes is manufactured from elastic plastic |
| 05/07/2009 | DE102007052333A1 Verfahren zur Durchführung eines Spülprogramms A method for performing a washing program |
| 05/06/2009 | EP2055965A1 Fluid pressure unit |
| 05/06/2009 | EP2055959A2 Pump for engine cooling circuits with magnetic-actuated flow regulator |
| 05/06/2009 | EP2055958A2 Water-guiding household device with a pump with a valve function |
| 05/05/2009 | US7527468 Fan array fan section in air-handling systems |
| 04/30/2009 | WO2009026322A4 Self priming centrifugal pump |
| 04/29/2009 | CN201228650Y Diaphragm switch |
| 04/29/2009 | CN201228643Y Intelligent temperature-controlling water pump |
| 04/23/2009 | WO2009004291A3 Measuring pressure |
| 04/23/2009 | US20090104044 Pump controller system and method |
| 04/23/2009 | US20090104016 Control Circuit and Fan Comprising the Same |
| 04/22/2009 | CN201225295Y Stuffy-proof mechanism of irrigation pump |
| 04/22/2009 | CN201225294Y Built-in type water pump vane regulating apparatus |
| 04/22/2009 | CN101413513A Variable flow impeller and speed variator using the same |
| 04/15/2009 | CN201221474Y Water pump electronic pressure controller |
| 04/15/2009 | CN101408228A Transmission device between working component and rotor of permanent magnetism synchronous electric machine |
| 04/09/2009 | US20090093915 Pumping station configuration techniques |
| 04/08/2009 | CN101403395A Pressure-regulating device of high-pressure water pump |
| 04/02/2009 | WO2009039934A1 Method for monitoring an energy conversion device |
| 04/01/2009 | CN201215095Y Control circuit for auto back-pouring well-cleaning recharging well |
| 04/01/2009 | CN201215094Y Ball float controller for pump |
| 04/01/2009 | CN101398345A Control system of durability test device for automobile window glass water scraper |
| 04/01/2009 | CN101398007A Energy-saving speed regulation method and device for high power fluid machinery |
| 03/25/2009 | EP2039939A1 Method for monitoring an energy conversion device |
| 03/25/2009 | EP2039937A2 Pump module for supplying liquids |
| 03/25/2009 | EP1134421B1 Autonomous inverter driving hydraulic unit |
| 03/25/2009 | CN201212481Y Water level self-controlling switch of electric pump |
| 03/25/2009 | CN101392756A Minimum flow control system for centrifugal pump |
| 03/18/2009 | CN201209568Y Energy-conserving high-efficiency operation control system for header pumps |
| 03/18/2009 | CN101389868A Submersible pump |
| 03/18/2009 | CN101389866A An industrial process efficiency method and system |
| 03/18/2009 | CN100470060C Water pump controller |
| 03/18/2009 | CN100470008C Improved centrifugal pump performance degradation detection |
| 03/12/2009 | DE29925019U1 Flüssigkeitspumpenanordnung, insbesondere für die Verwendung im Haus und/oder Garten Fluid pump assembly, particularly for use in the home and / or garden |
| 03/12/2009 | DE102008039700A1 Compact cooling pump especially for a vehicle has integral clutch and brake ring to selectively connect to drive shaft |
| 03/12/2009 | DE102007042866A1 Controllable coolant pump for combustion engine of motor vehicle, has operating chamber of pressure intensifier, which is arranged at pump housing, and annular piston operating sleeve is provided, which is inserted in sleeve retainer |
| 03/11/2009 | EP2032856A1 Pumping station configuration techniques |
| 03/10/2009 | US7500835 Sump draining apparatus having easily replaceable sensor and mount therefor |
| 03/04/2009 | EP2030641A2 Blood pump system |
| 03/04/2009 | CN201202665Y Circuit apparatus of water pump intelligent temperature control water supply system |
| 03/04/2009 | CN201202664Y Water pump controller |
| 03/04/2009 | CN201202663Y Improved water pump controller |
| 03/04/2009 | CN201202662Y Water pump controller |
| 03/04/2009 | CN201202661Y Constant pressure frequency conversion pump for water supply system |
| 03/03/2009 | US7497116 Flow rate estimation method of blood pump |
| 02/26/2009 | WO2009026322A1 Self priming centrifugal pump |
| 02/26/2009 | US20090053073 Condensate Pump |
| 02/26/2009 | CA2688423A1 Self priming centrifugal pump |
| 02/25/2009 | EP2028749A1 Controllable drive device |
| 02/25/2009 | CN201198836Y Submersible pump |
| 02/25/2009 | CN101372980A Water feeding apparatus |
| 02/18/2009 | EP2025943A2 Pump system |
| 02/18/2009 | EP2024712A1 Device for transmitting measured values |
| 02/18/2009 | EP2024577A1 Waste water pumping device |
| 02/18/2009 | CN201196153Y Automatic controller for water pump |
| 02/18/2009 | CN101366619A 商用洗碗机 Commercial Dishwashers |
| 02/18/2009 | CN100462565C 自动泵 Automatic pump |
| 02/12/2009 | WO2009020420A1 Submersible centrifugal pump with normal and ejector modes of operation |
| 02/12/2009 | WO2009020402A1 Water distribution |
| 02/12/2009 | WO2009019150A1 Method of and apparatus for controlling the height of a column of material in a vessel upstream of a pump |
| 02/12/2009 | DE202007013162U1 Pumpenbaugruppe zum Fördern von Flüssigkeiten Pump unit for conveying fluids |
| 02/05/2009 | US20090035121 Fluid Flow Modulation and Measurement |
| 02/04/2009 | EP2019923A1 Method and apparatus for controlling a relay pumping setup |
| 02/04/2009 | CN100458170C Apparatus for controlling operating efficiency of water pump fan of control speed regulator |
| 02/03/2009 | US7484938 Electronic control for pool pump |
| 01/28/2009 | CN101354043A Variable flow centrifugal pump |
| 01/28/2009 | CN100455816C Regulator for dynamic regulation of axial force in multi-stage centrifugal pump |
| 01/28/2009 | CN100455815C Dynamic regulation method of axial force in multi-stage centrifugal pump with symmetrically configured vane wheel |
| 01/27/2009 | CA2442973C Control system for centrifugal pumps |
| 01/21/2009 | CN101351631A Controllable coolant pump |
| 01/20/2009 | CA2285683C Method and apparatus for controlling operation of a submersible pump |
| 01/15/2009 | WO2009006927A1 Method for preventing dry running in a centrifugal pump, pump monitoring module and arrangement |
| 01/14/2009 | EP2014922A2 Sewage booster station |
| 01/14/2009 | CN100451568C Liquid discharging apparatus and liquid discharging method |
| 01/14/2009 | CN100451342C Vertical shaft centrifugal pump, rotor for the pump, and air conditioner |
| 01/13/2009 | US7475764 Device for driving a coolant pump |
| 01/08/2009 | DE102007030991A1 Pump device e.g. fire brigade pump, operating method for fire fighting unit, involves operating internal combustion engine such that moment indicated by reference-moment-information is provided |
| 01/08/2009 | CA2691922A1 Measuring pressure |
| 01/07/2009 | CN100449212C Winter-heating water circulating pump energy-saving control method |
| 12/31/2008 | EP2008675A1 Pump for blood perfusion |
| 12/30/2008 | US7470447 Method and device for discharging fluid |
| 12/25/2008 | US20080317609 Controllable Coolant Pump |
| 12/25/2008 | US20080317608 Pump Control System |
| 12/24/2008 | EP2006545A1 Method for recording the temperature of the carrier liquid of a rotary pump |
| 12/24/2008 | CN101331279A Waste water lifting system |
| 12/24/2008 | CN101328898A Submersible pump fluid level control system |
| 12/24/2008 | CN101328897A Method for determining the temperature of the delivery fluid of a centrifugal pump |
| 12/17/2008 | EP2002125A1 Submersible pump |
| 12/17/2008 | CN201165987Y Automatic drain device |
| 12/17/2008 | CN101324237A Intelligent supervising protection device of long shaft submerged pump |
| 12/17/2008 | CN100443729C Leak-proof method and system for fluid pipeline pump |
| 12/10/2008 | EP1999425A2 Pump header body and modular manifold |
| 12/10/2008 | CN201162686Y Electromagnetic water-blocking supercharging water pump |
| 12/10/2008 | CN201162685Y Sewage treatment pump structure |
| 12/10/2008 | CN101321956A Fluid compressor with aerostatic bearing, control system of a compressor with aerostatic bearing and method of controlling a compressor with aerostatic bearing |
| 12/10/2008 | CN100441866C Pump driving method and device therefor |
| 12/09/2008 | US7462017 Method for driving a bidirectional motor to rotate a fluid circulation pump |
| 12/04/2008 | US20080298954 Bypass Passage for Fluid Pump |