Patents
Sitemap › F04 - Positive-displacement machines for liquids; Pumps for liquids or elastic fluids › F04D - Non-positive-displacement pumps › F04D 15 - Control, e.g. regulation, of pumps, pumping installations, or systems
Patents for F04D 15 - Control, e.g. regulation, of pumps, pumping installations, or systems (4,967)
12/2003
12/16/2003US6663352 Method and apparatus for dynamically determining vapor pressure in pumping systems
12/16/2003US6663349 System and method for controlling pump cavitation and blockage
12/11/2003WO2003101798A1 Washing apparatus for multiple vehicle surface
12/10/2003EP1369591A1 Motor pump unit with sensor power supply using the mains connection
12/09/2003US6659174 System and method of tracking use time for electric motors and other components used in a subterranean environment
12/04/2003US20030223879 Centrifugal fluid pump assembly
12/04/2003US20030222156 Washing apparatus for multiple vehicle surfaces
12/04/2003US20030221674 System and method for monitoring aircraft fuel pump conditions for automated shutdown
12/02/2003US6655922 System and method for detecting and diagnosing pump cavitation
11/2003
11/27/2003WO2003078839A3 Hydraulic pump
11/26/2003EP1365157A1 Monodirectional impeller for centrifugal electric pump having a permanent-magnet synchronous motor
11/26/2003CN1128930C Diagnosing system for fluid machinery
11/25/2003US6651598 Cooling system for vehicles
11/20/2003WO2003095832A1 Self contained pump electrical equipment power supply
11/20/2003WO2003095277A1 Cleaning system for headlamps of motor vehicles
11/19/2003EP1076777B1 Control system for multi-pump operation
11/18/2003US6649839 Strain relief device for sump pump alarm
11/18/2003US6648606 Centrifugal pump performance degradation detection
11/18/2003US6648595 Pump with selectable suction ports
11/13/2003US20030210993 Self contained pump electrical equipment power supply
11/13/2003US20030210984 Pump pressure limiting engine speed control
11/05/2003EP1359259A1 Water supply installation
11/05/2003CN2584885Y Motor automatic pressure control device of suction pump
11/04/2003US6640617 Apparatus and a method for determining the viscosity of a fluid
10/2003
10/29/2003EP1356206A2 Method for maintaining a constant output variable of a feed pump, e.g. the displaced volume thereof which is actuated by a speed variable drive device, and a device for carrying out said method
10/29/2003CN2583405Y Automatic constant pressure centrifugal water pump
10/28/2003US6638031 Heating system for motor vehicles including multi-function pump with axially displaceable impeller
10/28/2003US6638023 Method and system for adjusting operating parameters of computer controlled pumps
10/23/2003WO2001005349A8 Spa pressure sensing system capable of entrapment detection
10/23/2003DE20209168U1 An electric pump has a float operated rotary valve controlling delivery according to the liquid level.
10/22/2003EP1354168A1 System and method of pressure distribution and pressure regulation for heating and air-conditioning units, and a very high-rise building utilizing the same
10/22/2003EP1354137A2 Method for controlling an assist pump for fluid delivery systems with pulsatile pressure
10/22/2003CN2581729Y Device with overheat protection
10/22/2003CN1450269A 洗涤流体泵 Washing fluid pump
10/15/2003EP1353072A1 Washing fluid pump
10/15/2003EP1353051A2 Device for controlling the actuating shaft of means for recirculating a cooling fluid in vehicle engines
10/15/2003EP0897476B1 Hybrid magnetically suspended and rotated centrifugal pumping apparatus and method
10/14/2003US6632072 Pneumatic pump control system and method of making the same including a pneumatic pressure accumulator tube
10/09/2003WO2003083312A1 Centrifugal pump with reverse rotation protection integrated on the impeller blade
10/09/2003WO2003082790A1 Transporting method and transporting facility for easily polimerizable material
10/09/2003US20030188772 Washing fluid pump
10/09/2003CA2445635A1 Centrifugal pump with reverse rotation protection integrated on the impeller blade
10/09/2003CA2421647A1 Washing fluid pump
10/08/2003EP1198674B1 Method and device for regulating the pressure in a supply line, extending from a centrifugal pump
10/02/2003WO2003081050A1 Self-regulating water pump
09/2003
09/25/2003WO2003078839A2 Hydraulic pump
09/25/2003DE10207653C1 Elektrische Kühlmittelpumpe mit integriertem Ventil, sowie Verfahren zu dessen Steuerung The electrical coolant pump with integrated valve and method for controlling
09/23/2003US6625519 Pump controller for submersible turbine pumps
09/17/2003EP1042611A4 Pump and controller system and method
09/16/2003US6619935 Mixing valve with axially segmented stator windings for axially positioning a control element for controlling the fluid connection between inlets and outlets
09/10/2003EP1342921A1 Pump with integral flow sensor
09/10/2003CN2572062Y Intelligent pressure controller
09/04/2003US20030165383 Variable flow water pump
09/03/2003EP1339443A1 Method for calibrating a pressure sensor or a flow sensor on a rotation pump
09/03/2003CN2570504Y Multi-stage pressure variation urban water-supply pump
09/03/2003CN1439812A Axial-flow self-balancing air oil mixed transfer pump and control system thereof
09/03/2003CN1439811A Axial-flow air oil mixed transfer pump and control system thereof
09/02/2003US6612812 Semiautomatic electronic system for sensing and increasing liquid in a containment vessel to a predetermine level
08/2003
08/28/2003WO2003071133A1 Enclosed pump switch level control system
08/28/2003WO2003071109A1 Electric coolant pump having an integrated valve, and method for controlling said valve
08/28/2003WO2003070299A1 Implantable heart assist system
08/28/2003CA2785934A1 Implantable heart assist system
08/27/2003EP1338294A2 Method and apparatus for providing limited back-flow in a blood pump during a non-pumping state
08/26/2003US6610004 Implantable heart assist system and method of applying same
08/21/2003CA2418767A1 Method and apparatus for providing limited back-flow in a blood pump during a non-pumping state
08/19/2003US6607141 Decentralized pumping system
08/14/2003US20030152462 Centrifugal fluid pump apparatus
08/13/2003EP1235983A4 Electromagnetically suspended and rotated centrifugal pumping apparatus and method
08/13/2003CN2566017Y 自动水泵 Automatic Pump
07/2003
07/31/2003WO2003062643A1 Speed control for a pumping system
07/31/2003US20030144574 Method and apparatus for providing limited back-flow in a blood pump during a non-pumping state
07/31/2003US20030144573 Back-flow limiting valve member
07/31/2003US20030143084 Coolant pump for automotive use
07/30/2003EP1331017A2 Centrifugal fluid pump assembly
07/24/2003US20030138327 Speed control for a pumping system
07/22/2003US6595762 Hybrid magnetically suspended and rotated centrifugal pumping apparatus and method
07/17/2003US20030133808 Centrifugal pump performance degradation detection
07/16/2003EP1327455A1 Centrifugal fluid pump with failure correction
07/16/2003CN2560775Y Pond water-pumping and water-supplying apparatus
07/10/2003US20030129062 Pump operating state without the use of traditional measurement sensors
07/03/2003WO2003054365A1 A pump/valve assembly and a cooling circuit containing such an assembly
07/02/2003EP1324011A2 Device for detecting the presence of flow of a fluid
07/02/2003EP1323986A1 Method for controlling an adjustable speed pump of a heating installation
07/02/2003EP1323985A1 Method for detecting a non return valve in a pipe system
07/02/2003EP1323984A1 Method for controlling a variable speed circulation pump for heating system
07/02/2003EP1323438A2 Back-flow limiting valve member
07/02/2003CN1427181A Device for monitoring fluid flow in outlet of pump
07/02/2003CN1113169C Control system for multi-pump operation
07/01/2003US6587037 Method for multi-phase data communications and control over an ESP power cable
07/01/2003US6586900 Method for boosting the output voltage of a variable frequency drive
07/01/2003US6585495 Reversible volume oil impeller pump with mechanical governor
06/2003
06/26/2003US20030118451 Device for monitoring fluid flow in a pump outlet
06/26/2003US20030118441 Submerged motor vane wheel rotation direction control structure
06/26/2003DE10226168C1 Electric immersion pump with mechanical regulation of liquid level via throttle valve operated by float
06/25/2003EP1321675A1 Pump unit
06/25/2003EP0886731B1 Coolant pump for automotive use
06/20/2003CA2414307A1 A device for monitoring fluid flow in a pump outlet
06/18/2003CN2556397Y DC electronic submersible pump
06/18/2003CN1425149A Method and system for automatically controlling water level in storage tank through wireless control process
06/12/2003WO2003048584A1 Submersible pump assembly with float switch
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