| Patents for F04D 15 - Control, e.g. regulation, of pumps, pumping installations, or systems (4,967) |
|---|
| 05/17/2006 | EP1657446A2 Regulated water pump |
| 05/17/2006 | CN2781043Y Energy-saving device for regulating working time of water pump |
| 05/17/2006 | CN2781039Y Fire pump unit device with double-drive device |
| 05/17/2006 | CN2781038Y Fire pump unit device with double-power producer |
| 05/16/2006 | CA2510101C Method and apparatus for controlling the speed of a pump in a well |
| 05/09/2006 | US7040868 Pumping system for controlling pumping speed during discharge pressure fluctuations |
| 04/25/2006 | US7033147 Centrifugal fluid pump assembly with flow rate calculating section |
| 04/13/2006 | US20060078444 Liquid-cooled pump control device and fluid pump assembly |
| 04/13/2006 | DE19606370B4 Verfahren zur Verhinderung der Übererwärmung von dauergefüllten Badewannen A method for preventing overheating of life filled bathtubs |
| 04/12/2006 | EP1554497B1 Submersible motor-driven pump with an anti-frost device |
| 04/11/2006 | CA2253435C Hybrid magnetically suspended and rotated centrifugal pumping apparatus and method |
| 04/06/2006 | WO2006035724A1 Vertical shaft centrifugal pump, rotor for the pump, and air conditioner |
| 04/06/2006 | US20060071666 Detection of pump cavitation/blockage and seal failure via current signature analysis |
| 04/05/2006 | CN2769560Y Water pump controller |
| 04/05/2006 | CN1755139A Integrated two pump |
| 04/05/2006 | CN1249358C Method for controlling and improving pump performance with flow membrane control vane pump |
| 04/05/2006 | CN1249007C Transporting method and transporting facility for easily polymerizable material |
| 03/30/2006 | WO2006032132A1 Pump with selectable outlet pressure |
| 03/30/2006 | WO2006032131A1 Speed-related control mechanism for a pump and control method |
| 03/30/2006 | WO2005111473A3 Torque controlled pump protection with mechanical loss compensation |
| 03/30/2006 | DE102004040899A1 Monitoring pumps to detect abnormal operating states, by processing signals from temperature sensors, arranged on pump and triggering countermeasures |
| 03/30/2006 | CA2581123A1 Pump with selectable outlet pressure |
| 03/30/2006 | CA2581120A1 Speed-related control mechanism for a pump and control method |
| 03/29/2006 | EP1640616A2 Circulation pump for heating system |
| 03/22/2006 | EP1637741A1 Liquid cooled pump and pump controller |
| 03/22/2006 | CN2766073Y Automatic opening and closing flushing valve for pump |
| 03/22/2006 | CN2766071Y Planet gear differential speed regulating apparatus |
| 03/22/2006 | CN2766069Y Apparatus for dynamically regulating and controlling axial force of multiple-stage centrifugal pump |
| 03/22/2006 | CN1749573A Differential thrust balance device for rotary fluid machinery |
| 03/17/2006 | CA2511423A1 Liquid-cooled pump control device and fluid pump assembly |
| 03/16/2006 | US20060053865 Speed and fluid flow controller |
| 03/15/2006 | CN1245793C Device for delivering single-phase or multiphase fluids without altering the properties thereof |
| 03/14/2006 | US7010954 Method for calibrating a pressure sensor or a flow sensor at a rotary pump |
| 03/08/2006 | CN2763593Y Energy-saving water-cooling type centrifugal pump |
| 03/08/2006 | CN1745221A Method and pump unit for the effective treatment of sewage in a transfer tank |
| 03/07/2006 | US7010393 Controlling multiple pumps operating in parallel or series |
| 03/02/2006 | US20060045750 Variable speed pumping system and method |
| 03/01/2006 | EP1630422A2 Variable speed pumping system and method |
| 03/01/2006 | EP1629204A1 Pressure relief arrangement for a pump |
| 03/01/2006 | CN2761881Y Shaft seal protective device of mechanical pump |
| 03/01/2006 | CN2761880Y Automatic liquid adding continuous constant pressure liquid device of ammonia pump |
| 02/23/2006 | WO2006019352A1 Method and device for operating a pump station |
| 02/22/2006 | CN1737377A Automatic water injection method using pump-control-pump to adjust pressure and flow |
| 02/16/2006 | WO2006015693A1 Control device for a liquid-pumping system |
| 02/16/2006 | CA2573083A1 Proximity sensor for sensing fluid level in a container |
| 02/15/2006 | CN1735793A Method and device for determining the hydraulic flow rate in a pump |
| 02/08/2006 | CN1732336A Thermal control of flowrate in engine coolant system |
| 02/08/2006 | CN1730948A Pressure and flow variation control method and control system for water pump |
| 02/01/2006 | EP1621770A2 Pump and controller system and method |
| 01/26/2006 | DE102004031469A1 Gesteuerte, energiesparende Mindestmengeneinrichtung einer mehrstufigen Kreiselpumpe mit einer Höchstdrucksonderstufe Controlled, energy-saving minimum quantity to build a multi-stage centrifugal pump with a maximum pressure special stage |
| 01/25/2006 | EP1198871B1 Malfunction detection of a machine driven by an electric motor |
| 01/24/2006 | US6988873 Monodirectional impeller with flexible vanes |
| 01/19/2006 | US20060012929 Hot-swap circuit system for fan tray module |
| 01/19/2006 | US20060010686 Methods and apparatus for assembling rotatable machines |
| 01/18/2006 | CN2752493Y Automatic supplying water controller for water pump |
| 01/12/2006 | DE10331578B4 Abwasserpumpensystem mit mehreren Kanalradpumpenaggregaten Sewage pump system with multiple Kanalradpumpenaggregaten |
| 01/11/2006 | EP1614903A1 Driving unit for a centrifugal pump |
| 01/04/2006 | EP1612426A2 Controlled, energy efficient multi stage centrifugal pump with high pressure stage |
| 01/04/2006 | CN1715680A Controlled, energy efficient multi stage centrifugal pump with high pressure stage |
| 01/03/2006 | US6981402 Speed and fluid flow controller |
| 01/03/2006 | US6981399 Method for detecting a differential pressure |
| 12/29/2005 | US20050287022 Blood pump apparatus |
| 12/28/2005 | EP1608823A1 Method and pump unit for the effective treatment of sewage in a transfer tank |
| 12/28/2005 | CN1712624A Drain pump and drum type washing machine having the same |
| 12/22/2005 | WO2005121507A1 System and method for determining pump underperformance |
| 12/22/2005 | US20050281679 Basement flood control system |
| 12/22/2005 | US20050281678 Pumpdosimeter - system and method for automatically controlling fluid parameters in centrifugal pumps |
| 12/22/2005 | DE202005014279U1 Kühlmittelpumpeinrichtung Coolant pump means |
| 12/22/2005 | DE19711970B4 Vorrichtung zum Regulieren der Fördermenge einer vertikalachsigen Kreiselpumpe Device for regulating the flow of a centrifugal pump vertical axis |
| 12/21/2005 | EP1607511A2 Drain pump and drum type washing machine having the same |
| 12/15/2005 | WO2004001226A3 Pump stabilizer and method |
| 12/15/2005 | US20050274158 Drain pump and drum type washing machine having the same |
| 12/15/2005 | DE4304634B4 Pumpenfilter mit Füllstandssensorvorrichtung Pump filter with level sensing device |
| 12/08/2005 | US20050268499 Method and apparatus for pumping with a dredge |
| 12/08/2005 | DE10202086B4 Kühlmittelpumpe Coolant pump |
| 12/07/2005 | CN1704611A Anti-pumping off magnetic pump |
| 12/04/2005 | CA2508414A1 Method and apparatus for pumping with a dredge |
| 12/01/2005 | US20050263935 Low cost electrostatic discharge-proof pumps manufactured from conductive loaded resin-based materials |
| 12/01/2005 | DE19809123B4 Wasserpumpe für den Kühlkreislauf einer Brennkraftmaschine Water pump for the cooling circuit of an internal combustion engine |
| 11/24/2005 | WO2005111473A2 Torque controlled pump protection with mechanical loss compensation |
| 11/24/2005 | WO2005111412A2 Self-calibrating fan |
| 11/24/2005 | US20050260079 Electronic control for pool pump |
| 11/24/2005 | DE102004021988A1 Verfahren zum Entlüften einer Kreiselpumpe Method of bleeding a centrifugal pump |
| 11/23/2005 | EP1598087A2 Blood pump apparatus |
| 11/23/2005 | CN1701183A Submersible motor-driven pump with an anti-frost device |
| 11/23/2005 | CN1699756A Control method and control device for evacuation automatic protection for submersible pump |
| 11/17/2005 | US20050254974 Submersible motor-driven pump with an anti-frost device |
| 11/17/2005 | US20050254943 Pump device |
| 11/17/2005 | US20050252205 Torque controlled pump protection with mechanical loss compensation |
| 11/16/2005 | EP1596069A2 Pump device |
| 11/16/2005 | CN1696513A 泵装置 Pump device |
| 11/16/2005 | CN1227799C Motor frame and motor using the motor frame and motor pump |
| 11/10/2005 | WO2005106253A1 An electric synchronous pump with a volute having a tangential outlet |
| 11/10/2005 | US20050251362 System and method for determining pump underperformance |
| 11/10/2005 | US20050249611 Temperature compensating hydraulic shear pump |
| 11/09/2005 | EP1593851A2 Method for venting a centrifugal pump |
| 11/09/2005 | EP1042611B1 Pump and controller system and method |
| 11/09/2005 | CN2739390Y Water pump with switch device |
| 11/09/2005 | CN1693711A Intelligent control device for water pump electric machine |
| 11/03/2005 | WO2005103497A1 Pressure pump for sludge |