| Patents for F04D 15 - Control, e.g. regulation, of pumps, pumping installations, or systems (4,967) |
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| 06/04/2002 | US6398506 Centrifugal fluid pump and control device for operating the same |
| 05/29/2002 | EP1209364A2 Fluid control system with autonomously controlled pump |
| 05/29/2002 | EP1209356A1 Turbine or pump turbine |
| 05/29/2002 | EP1208630A1 Device for delivering single-phase or multiphase fluids without altering the properties thereof |
| 05/22/2002 | EP1207309A2 A compound motor and operational method thereof |
| 05/22/2002 | CN2492692Y Intelligent screw oil pumping unit |
| 05/21/2002 | US6390781 Spa pressure sensing system capable of entrapment detection |
| 05/21/2002 | US6390780 Pump and controller system and method |
| 05/16/2002 | DE10054091A1 Verfahren zur Ermittlung mindestens einer Eigenschaft eines im Förderweg eines Pumpenaggregats befindlichen Mediums Method for determining at least one characteristic of an in conveying a fluid pump assembly |
| 05/09/2002 | US20020053848 Compound motor and operational method thereof |
| 05/08/2002 | EP1204194A1 Axially plugable electronic housing |
| 05/08/2002 | EP1203886A2 Method for determining at least one characteristic of a fluid pumped |
| 05/08/2002 | DE10065796A1 Pump driven by electric motor controllable in its speed, especially centrifugal pump, has electronics housing plugged onto end wall of motor housing facing away from pump housing in axial direction |
| 05/08/2002 | CN1348624A Device for delivering single-phase or multiphase fluids without altering the properties thereof |
| 05/02/2002 | WO2001005349A3 Spa pressure sensing system capable of entrapment detection |
| 05/02/2002 | EP1201932A2 Delivery system |
| 05/02/2002 | DE10052584A1 Förderpumpe Feed pump |
| 05/01/2002 | CN1347585A Rotor device |
| 05/01/2002 | CN1083946C Peripheral pump, in particular for feeding fuel from tank to IC engine of motor vehicle |
| 04/30/2002 | US6379109 Method and apparatus for detecting and removing obstructions in mechanical aerators |
| 04/24/2002 | EP1198686A1 Mixing valve |
| 04/24/2002 | EP1198674A1 Method and device for regulating the pressure in a supply line, extending from a centrifugal pump |
| 04/23/2002 | US6375847 Pumping using electric motor; measuring current strength; evaluation of signal; adjusting flow control valve |
| 04/23/2002 | US6375430 Sump pump alarm |
| 04/10/2002 | CN2485455Y Radiator with electric breaker for pump |
| 04/10/2002 | CN1082628C Self-priming type centrigual pump |
| 04/09/2002 | US6368075 Pump with a magnetically supported rotor |
| 04/03/2002 | CN2484420Y Automatic water-pumping apparatus |
| 04/02/2002 | US6364620 Submersible pump containing two levels of moisture sensors |
| 03/28/2002 | DE10057098C1 Regulated cooling medium pump, for internal combustion engine, uses magnetic coil and cooperating armature disc for disengaging pump drive for rapid heating of engine to its required running temperature |
| 03/28/2002 | DE10046085A1 Temperature-dependent electronic rev adjustment for circulation pump e.g. for solar installation, uses temperature sensor signal for calculating optimum pump revs |
| 03/28/2002 | DE10043788A1 Suction fittings for controlled removal of active liquid substances from exchange drums/stationary bins in chemical industry, have protecting tube, suction tube with intake area, backflow prevention and electrically controlled level switch |
| 03/27/2002 | EP1191197A2 Engine cooling system |
| 03/21/2002 | US20020033420 Decentralized pumping system |
| 03/14/2002 | DE10017145C2 Pumpe zum Fördern von Mörtelmaterial Pump for pumping grout material |
| 03/12/2002 | US6354805 Method for regulating a delivery variable of a pump |
| 03/07/2002 | DE10138189A1 Immersion pump amplifying device with automatic switching hangs in air hose so that it can function out of water |
| 02/28/2002 | DE10039917A1 Verfahren und Vorrichtung zur Ermittlung der Fördermenge einer Kreiselpumpe Method and apparatus for determining the flow rate of a centrifugal pump |
| 02/28/2002 | DE10039117A1 Tauchpumpenanordnung Submersible pump assembly |
| 02/26/2002 | US6350105 Frequency and current control for fluid machinery |
| 02/20/2002 | EP1180600A2 Measurement and control procedure for the instantaneous flow of a centrifugal pump |
| 02/20/2002 | CN1336988A Autonomous inverter driving hydraulic unit |
| 02/14/2002 | US20020018721 Fluid machinery |
| 02/13/2002 | EP1179681A2 Submersible motor pump unit |
| 02/06/2002 | EP1178212A2 Water cooled centrifugal pump |
| 01/31/2002 | US20020012594 Magnetically levitated apparatus |
| 01/31/2002 | US20020012593 Engine water pump drive structure |
| 01/31/2002 | US20020012583 Adjustable radial pump, in particular for feeding a cooling medium for a motor vehicle |
| 01/29/2002 | US6341944 Motor start and float switch assembly |
| 01/29/2002 | CA2228453C Method of detecting characteristics of liquids in pipes and pump controlling |
| 01/24/2002 | US20020009375 Delivery device |
| 01/23/2002 | CN2473363Y Automatic control box for water pump |
| 01/23/2002 | CN1332328A Conveying device |
| 01/17/2002 | WO2002004816A1 Monodirectional impeller for centrifugal electric pumps having a permanent-magnet synchronous motor |
| 01/17/2002 | DE10033288A1 Fördereinrichtung Conveyor |
| 01/16/2002 | EP1171944A1 Rotor device |
| 01/16/2002 | EP1171714A1 Apparatus and method for controlling a pump system |
| 01/16/2002 | CN2471980Y Underwater motor |
| 01/09/2002 | EP1170507A2 Pump system |
| 01/02/2002 | EP1165964A2 Load sharing valve and system for operating centrifugal pumps in parallel |
| 01/02/2002 | CN1077245C Electronic automatic controller for water pump |
| 01/01/2002 | CA2189379C Pump impeller with adjustable blades |
| 12/27/2001 | US20010054395 Controller for pump and valve |
| 12/26/2001 | CN1328617A Turbomachine |
| 12/20/2001 | WO2000017521A9 Pump and controller system and method |
| 12/19/2001 | EP1164282A2 Stand alone multi stage fuel pump |
| 12/19/2001 | CN2466404Y Heat sink electric power interruption device for pump |
| 12/19/2001 | CN2466392Y Automatic blower pump with pressure setting device |
| 12/19/2001 | CN2466391Y Blower pump with pressure setting device |
| 12/19/2001 | CN2466390Y Industrial process flow intelligent pump |
| 12/13/2001 | WO2001094786A1 Submersible electrolyte circulation system |
| 12/13/2001 | DE10115989A1 Rotary circulation pump has an axially moveable motor rotor which is automatically positioned to block back circulation when in the quiescent mode |
| 12/13/2001 | CA2350297A1 Stand alone multi stage fuel pump |
| 12/05/2001 | CN1324988A Combined vane wheel type centrifugal pump and centrifugal blower |
| 12/04/2001 | US6324858 Motor temperature control |
| 11/27/2001 | US6322325 Processor based pump control systems |
| 11/22/2001 | US20010043864 Fluid discharge device and fluid discharge method |
| 11/21/2001 | CN2460756Y Submerged water pump with location vaiable water intake regulating device |
| 11/15/2001 | WO2001086831A1 Method for multi-phase data communications and control over an esp power cable |
| 11/15/2001 | US20010041139 Apparatus and method for controlling a pump system |
| 11/15/2001 | CA2408593A1 Method for multi-phase data communications and control over an esp power cable |
| 11/06/2001 | US6312226 Device and method for detecting bearing overheating in turbine pump systems |
| 11/03/2001 | CA2344083A1 Sump pump alarm |
| 10/30/2001 | US6309539 Filtration and subsurface distribution system |
| 10/30/2001 | US6309193 Coolant pump for automotive use |
| 10/30/2001 | US6309185 Flow regulator for water pump |
| 10/25/2001 | WO2001079703A1 Variable flow water pump |
| 10/25/2001 | US20010033114 Motor construction unit for a submersible pump unit |
| 10/25/2001 | US20010032721 Method for boosting the output voltage of a variable frequency drive |
| 10/18/2001 | US20010031944 Drug pump systems and methods |
| 10/18/2001 | DE10017145A1 Pump for transporting mortar material has second complementary connecting element connected to cable leading to remote control unit with second on/off switch, speed setting element |
| 10/17/2001 | CN2454569Y Fully automatic switch for boosting pump |
| 10/17/2001 | CN1317647A Hydraulic pump of permanent-magnet motor with preset rotation direction |
| 10/16/2001 | US6302661 Electromagnetically suspended and rotated centrifugal pumping apparatus and method |
| 10/11/2001 | US20010028855 Hydraulic pump with permanent-magnet motor having a preset direction of rotation |
| 10/10/2001 | EP1143148A2 Electrically driven centrifugal pump with preset direction of rotation |
| 10/10/2001 | CN1072777C Full circumference flow pump group and its producing method |
| 10/09/2001 | US6298820 Apparatus and method of protecting a water pump driven by a combustion engine from high speed damage |
| 10/04/2001 | US20010026761 Coolant pump for automotive use |
| 10/04/2001 | EP1138951A1 Submersible pump with capacitive level detection |