| Patents for F04D 15 - Control, e.g. regulation, of pumps, pumping installations, or systems (4,967) |
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| 07/20/2011 | CN101135312B Water pump for bodies of water containing suspended matter |
| 07/20/2011 | CN101071674B Transformer turbo driving device and method thereof |
| 07/19/2011 | US7983877 Pump controller system and method |
| 07/13/2011 | CN102120072A Control and polling inspection integrated electrical system of fire pump group |
| 07/12/2011 | US7976284 Pump controller system and method |
| 07/07/2011 | WO2011017667A3 Two chamber pumps and related methods |
| 07/07/2011 | DE10254041B4 Verfahren und Vorichtung zur Störungsfrüherkennung bei Kreiselpumpen Procedures and Vorichtung for early fault detection for centrifugal pumps |
| 07/06/2011 | CN201891619U Pipeline pump with thermal protection function |
| 07/06/2011 | CN201891618U Intelligent water pump |
| 07/06/2011 | CN201891617U Circuit system with thermal protection of pipeline pump |
| 07/06/2011 | CN1601049B Automatic downlink system |
| 07/06/2011 | CN102119278A Circulating pump unit |
| 06/30/2011 | WO2011078680A1 Turbo-machine thrust balancer |
| 06/29/2011 | EP2339182A2 Method and assembly for regulating a process fluid flow and positioner |
| 06/29/2011 | CN201884295U Temperature-difference circulation pump |
| 06/29/2011 | CN201884288U Novel asphalt pump |
| 06/28/2011 | US7967573 Method for driving a bidirectional motor to rotate a fluid circulation pump |
| 06/15/2011 | EP2331976A1 Method and apparatus for evaluating energy savings |
| 06/15/2011 | CN201865923U Chemical engineering flow process intelligent pump |
| 06/15/2011 | CN102094834A Magnetic drive pump dry friction, overloading, coupling slipping and rotor blocking and rubbing protective device |
| 06/09/2011 | US20110135515 Circulating pump unit |
| 06/09/2011 | US20110135444 Water pump for vehicle |
| 06/09/2011 | DE19840399B4 Zentrifugalfluidpumpenanordnung Centrifugal fluid pump |
| 06/08/2011 | CN102086799A Electronic cooling water pump of variable-flow engine |
| 06/08/2011 | CN101718275B Automatic conversion device for redundancy starting signals of stationary type water pump |
| 06/07/2011 | US7954371 Condition monitoring of pumps and pump system |
| 06/03/2011 | WO2011065711A2 Automatic pump and an operation control method for the same |
| 06/03/2011 | WO2011041998A3 Coolant pump |
| 05/26/2011 | WO2011061112A1 Rotary pump arrangement having a controller and/or regulator |
| 05/26/2011 | DE202010014953U1 Luftpumpe mit Autostoppfunktion Air pump with auto-stop function |
| 05/26/2011 | DE102009053320A1 Kreiselpumpenanordnung mit Steuer- und/oder Regelgerät Centrifugal pump assembly with control and / or regulating device |
| 05/26/2011 | DE102009046322A1 Coolant pump has pump housing, in which pump impeller is arranged, where pump housing has flow inlet port and flow outlet port |
| 05/25/2011 | EP2324248A1 Lubricant retainer for pump shaft bearing assembly |
| 05/25/2011 | EP2324247A1 Controllable coolant pump |
| 05/25/2011 | EP2324159A1 Control system and method for water supply |
| 05/25/2011 | CN102077461A Method for identifying load condition of pump |
| 05/25/2011 | CN102072171A Controller of water pump soft startup device |
| 05/25/2011 | CN102072170A Electromagnetic clutch water pump |
| 05/25/2011 | CN102072169A 电动水泵 Electric water pump |
| 05/25/2011 | CN102072168A Electric water pump |
| 05/25/2011 | CN102072165A Electric water pump |
| 05/24/2011 | CA2603603C System and method of determining centrifugal turbomachinery remaining life |
| 05/18/2011 | CN201836064U No-probe automatic water pumping controller for pit sewage |
| 05/18/2011 | CN101324237B Intelligent supervising protection device of long shaft submerged pump |
| 05/12/2011 | WO2011056319A2 Fan array control system |
| 05/12/2011 | WO2011054069A1 System and method for correcting the rotation direction of a two-pole motor applied to a two-way pump |
| 05/12/2011 | US20110110766 Turbomachine |
| 05/12/2011 | CA2769768A1 Fan array control system |
| 05/12/2011 | CA2720555A1 Sensors and methods and apparatus relating to same |
| 05/11/2011 | CN102057566A Centrifugal pump unit |
| 05/11/2011 | CN101398007B Energy-saving speed regulation method and device for high power fluid machinery |
| 05/04/2011 | EP2317238A1 Ventilation element for control box of sewage pump |
| 05/04/2011 | CN201818511U Concentricity debugging instrument for centrifugal pump |
| 05/04/2011 | CN201818507U Self-control and self-absorption vertical water pump |
| 05/04/2011 | CN201818506U Vertical automatic-control self-priming water pump |
| 05/04/2011 | CN102046982A Controllable coolant pump |
| 05/03/2011 | CA2644149C Control system for centrifugal pumps |
| 04/28/2011 | DE102009050083A1 Method for determining volume stream in closed flow system i.e. heat circuit in wall-mounted heating system, involves determining stream from power correction value and theoretical power consumption characteristic curve for revolution speed |
| 04/27/2011 | EP2313658A2 Cable clamping device for submersible pump |
| 04/27/2011 | CN102032200A Power saving design method for water supply and drainage centrifugal pump |
| 04/20/2011 | CN201802645U Pressure switch device for pump |
| 04/20/2011 | CN201802641U Double-motor type sewage draining pump |
| 04/20/2011 | CN102027239A Controllable coolant pump and method for the control thereof |
| 04/20/2011 | CN102022348A Water pump cavitation measuring method |
| 04/14/2011 | WO2011042096A1 Immersion pump assembly |
| 04/14/2011 | WO2011041998A2 Coolant pump |
| 04/14/2011 | US20110085918 Water-lifting pump apparatus and method of controlling operation thereof |
| 04/14/2011 | DE102008027039B4 Temperiergerät mit Durchflussmessung Temperature control with flow measurement |
| 04/13/2011 | EP2309133A1 Submersible pump power unit |
| 04/13/2011 | CN102016322A Fluid energy machine |
| 04/13/2011 | CN102011737A Mechanical automatic protective centrifugal pump |
| 04/13/2011 | CN101208520B Pump |
| 04/07/2011 | WO2011039166A1 Centrifugal pump unit having a switching device |
| 04/07/2011 | US20110081255 Controlling Pumps for Improved Energy Efficiency |
| 04/06/2011 | EP2306020A1 Method in connection with pump drive |
| 04/06/2011 | CN201786688U Adjustment mechanism of horizontal water pump and water turbine |
| 04/06/2011 | CN102003397A Submerged pump control system and submerged pump control method |
| 04/06/2011 | CN101413513B Speed variator with variable flow impeller |
| 03/31/2011 | WO2010151739A3 Compressor inlet guide vane control |
| 03/31/2011 | US20110077782 Blood pump flow rate estimation device |
| 03/30/2011 | EP2300718A2 Controllable coolant pump |
| 03/30/2011 | CN1715680B Multi stage structure type centrifugal pump |
| 03/30/2011 | CN101994706A Apparatus and system to control fluid |
| 03/30/2011 | CN101994704A Chemical process intelligent pump and control method thereof |
| 03/29/2011 | CA2548437C Pump control system and method |
| 03/28/2011 | CA2715606A1 Aspirator insert for a boundary layer in a fluid stream, a well and a compressor equipped with said insert |
| 03/23/2011 | EP2299120A1 Mechanical coolant pump for cooling an internal combustion engine |
| 03/23/2011 | EP2220374B1 Centrifugal pump with flow sensor |
| 03/23/2011 | CN201771803U Novel start gap control structure for multi-stage pump seal |
| 03/23/2011 | CN101990603A Sensor for turning a pump on or off |
| 03/23/2011 | CN101988515A Automatic anhydrous protection control method for pipeline canned motor pump |
| 03/23/2011 | CN101151795B Submersible motor |
| 03/16/2011 | EP2295810A1 Motor Pump Aggregate with level detectors |
| 03/16/2011 | EP2295799A2 Method and device for controlling the condensator coolant water of a vapour stream vacuum pump |
| 03/09/2011 | CN101208856B Self calibrating fan |
| 03/03/2011 | US20110052416 Variable Speed Pumping System and Method |
| 03/03/2011 | DE19634180B4 Verfahren zur Steuerung einer Blutpumpe A method for controlling a blood pump |
| 03/02/2011 | EP2290240A2 Pump with power supply regulator |
| 03/02/2011 | EP2288811A2 Device and method for pumping a cryogenic fluid |
| 02/27/2011 | CA2713751A1 Device, computer program product and computer-implemented method for backspin detection in an electrical submersible pump assembly |