| Patents for F04D 15 - Control, e.g. regulation, of pumps, pumping installations, or systems (4,967) |
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| 02/27/2008 | EP1892420A2 Centrifugal pump unit with water hammer damping |
| 02/27/2008 | CN201027672Y Non-tower automatic water supplying machine with constant-pressure air |
| 02/26/2008 | CA2443010C Rod pump control system including parameter estimator |
| 02/20/2008 | EP1888921A1 Impeller for centrifugal pumps with permanent-magnet synchronous motor |
| 02/20/2008 | CN201025283Y Operation and control device for constant open type friction clutch |
| 02/20/2008 | CN201024451Y Water tower water pump controller free of water level detection |
| 02/20/2008 | CN101126402A Intelligent emulsion pump station for mining |
| 02/20/2008 | CN101125108A Roller type medical micropump used for artificial sphincter of anus |
| 02/19/2008 | US7331921 Implantable heart assist system and method of applying same |
| 02/19/2008 | US7331383 Shore power system including a HVAC system |
| 02/14/2008 | US20080038118 Pumping System |
| 02/13/2008 | CN201021669Y A control circuit for automatic waste discharge pump |
| 02/13/2008 | CN201021668Y Fully automatic driving pump |
| 02/13/2008 | CN101122297A Energy-saving type constant pressure fluid conveying machine parallel arrangement |
| 02/13/2008 | CN100368689C Differential thrust balance device for rotary fluid machinery |
| 02/07/2008 | DE10154630C5 Verfahren zum Betreiben einer elektromotorisch angetriebenen Pumpe in einer Spülmaschine Method for operating an electric motor driven pump in a dishwasher |
| 02/06/2008 | CN201018441Y Unidirectional rotation submersible pump |
| 01/31/2008 | DE102006034960A1 Cooling fluid pump i.e. radial rotary pump, for internal combustion engine of motor vehicle, has valve gate movable between three different gate positions, where cooling fluid outlets are either opened or closed in different gate positions |
| 01/31/2008 | DE102006034952A1 Coolant pump for cooling circuit of internal combustion engine, has adjustment device adjusting angle of incidence of rotor blades, and rotor arranged in tubular housing whose opposite front ends are connected with circuit |
| 01/30/2008 | EP1463877B1 A pump/valve assembly and a cooling circuit containing such an assembly |
| 01/30/2008 | CN201013620Y Electronic control automatic water pump |
| 01/30/2008 | CN201013619Y Apparatus for controlling water pump |
| 01/30/2008 | CN201013618Y Medium-power multiple blower fans parallel connection type scene complementary water lifting system |
| 01/30/2008 | CN100365285C Submersible motor-driven pump with an anti-frost device |
| 01/29/2008 | US7324316 Hot-swap circuit system for fan tray module |
| 01/23/2008 | EP1881201A2 Electronic control device for a pump |
| 01/23/2008 | EP1880110A1 Shower waste pump control |
| 01/23/2008 | EP1506109B1 Cleaning system for headlamps of motor vehicles |
| 01/23/2008 | CN101109387A Photovoltaic water pump system with hydraulic pressure control function |
| 01/22/2008 | US7320370 Automatic downlink system |
| 01/17/2008 | DE102006039714B3 Multi-path pump for cleaning/washing devices in motor vehicle, uses pressure-difference valve device for closing one outlet channel at low feed pressures |
| 01/16/2008 | EP1877665A1 A system for controlling the rate of a pump on a water drainage outlet of a water dispensing unit |
| 01/16/2008 | CN100362243C Adjustable flow peripheral pump |
| 01/15/2008 | US7318708 Check valve for a submersible turbine pump |
| 01/15/2008 | US7318509 Temperature compensating hydraulic shear pump |
| 01/09/2008 | EP1875079A1 System and method of determining centrifugal turbomachinery remaining life |
| 01/02/2008 | CN200999734Y Device pump |
| 01/02/2008 | CN101096963A Process for manufacturing DC waterproof pump controlling valve with small water hammer |
| 01/02/2008 | CN101096962A Technology for decreasing water hammer of DC waterproof pump controlling valve |
| 01/02/2008 | CN101096961A Technology for reducing resistance force of DC waterproof pump controlling valve |
| 01/02/2008 | CN101096960A Process for manufacturing through-flow type waterproof pump controlling valve with low back-flow velocity |
| 01/02/2008 | CN101096959A Technology for manufacturing annular DC waterproof pump controlling valve |
| 01/02/2008 | CN101096958A Technology for manufacturing DC waterproof pump controlling valve with low resistance force |
| 12/27/2007 | WO2005111412A3 Self-calibrating fan |
| 12/27/2007 | US20070297893 Fan speed change control |
| 12/21/2007 | WO2007144054A1 Rotary pump with start-up with fixed rotational direction |
| 12/19/2007 | EP1556675A4 Method and system for determining pump cavitation and estimating degradation in mechanical seals therefrom |
| 12/19/2007 | CN200993110Y Integrated automatic mining explosion-proof submersible sand-discharge pump |
| 12/19/2007 | CN200993109Y Non-negative pressure water pump |
| 12/19/2007 | CN101089399A Pump assembly with rotational speed control |
| 12/13/2007 | DE102006027002A1 Pumpemanordnung mit Drehzahlsteuerung Pumpemanordnung with speed control |
| 12/12/2007 | EP1865203A1 Pump assembly with rotational speed control |
| 12/12/2007 | CN200989312Y Integrated automatic submersible pollution discharge pump |
| 12/06/2007 | US20070279865 Inverter apparatus |
| 12/05/2007 | CN200985897Y Pipeline pump air release valve |
| 12/05/2007 | CN200985888Y Waterproof pump control device |
| 12/05/2007 | CN200985887Y Standby self circulation waterproof pump automatic control system of water curtain locker |
| 12/05/2007 | CN200985886Y Vehicle circulating pump |
| 12/05/2007 | CN101082341A Control equipment for motor driven hydraulic pump |
| 11/29/2007 | WO2007134896A1 Pump unit for fluid system and associated method for pressure control |
| 11/29/2007 | WO2007134454A1 Method and apparatus for controlling a relay pumping setup |
| 11/29/2007 | WO2007134401A1 Pumping station configuration techniques |
| 11/29/2007 | CA2652993A1 Method and apparatus for controlling a relay pumping setup |
| 11/28/2007 | CN101078403A Self-force turncock type slag stuff pump control valve |
| 11/28/2007 | CN101078402A Method for expanding variable speed centrifugal pump usable highly effective zone |
| 11/22/2007 | WO2007131729A1 Device for transmitting measured values |
| 11/21/2007 | CN200979664Y An intelligent electricity-saving control system for blast and pump |
| 11/21/2007 | CN101074679A 自动泵 Automatic pump |
| 11/21/2007 | CN101074675A Running-water booster pump |
| 11/15/2007 | DE20122797U1 Elektromotorisch betriebene Pumpe für eine Spülmaschine Electric motor driven pump for a dishwasher |
| 11/15/2007 | DE102006022740A1 Einrichtung zur Messwertübertragung Means for data transmission |
| 11/15/2007 | DE102006000219A1 Rollbares Pumpgerät Rollable pumping device |
| 11/14/2007 | CN101071674A Transformer turbo driving device and method thereof |
| 11/14/2007 | CN101070974A Winter-heating water circulating pump energy-saving control method |
| 11/14/2007 | CN101070859A Cooling smart controlled water pump |
| 11/14/2007 | CN101070855A Pump smart control system based PROFIBUS-DP communication interface |
| 11/08/2007 | US20070258805 Fan systems |
| 11/07/2007 | CN200971865Y 压差流量控制阀 Differential pressure flow control valve |
| 11/06/2007 | US7290981 Inline vent fan |
| 11/01/2007 | WO2007122270A1 Pump for blood perfusion |
| 11/01/2007 | US20070252538 Safety unit for use on vehicles |
| 10/31/2007 | DE19812784B4 Pumpe mit integrierter Leistungsregelung Pump with integrated power control |
| 10/31/2007 | CN200968292Y Energy-saving high efficiency electrically driven pump |
| 10/31/2007 | CN100346247C Method for controlling operating efficiency of water pump fan for industrial controller and configuration software |
| 10/30/2007 | CA2419507C Method for controlling an assist pump for fluid delivery systems with pulsatile pressure |
| 10/28/2007 | CA2586674A1 Determination and control of wellbore fluid level, output flow, and desired pump operating speed, using a control system for a centrifugal pump disposed within the wellbore |
| 10/25/2007 | DE102006018025A1 Kreiselpumpenaggregat mit Schaltvorrichtung A centrifugal pump unit with switching device |
| 10/25/2007 | DE102006016982B3 Tauchpumpe Submersible pump |
| 10/24/2007 | EP1847714A1 Frequency converter for motor pump |
| 10/24/2007 | CN200965638Y Submerged pump automatic water storage controller |
| 10/24/2007 | CN200965637Y Submerged pump full-automatic water storage controller |
| 10/24/2007 | CN200964959Y 改进型水泵控制装置 Improved pump control unit |
| 10/24/2007 | CN200964958Y Pressure pump improved structure |
| 10/24/2007 | CN200964955Y 节能自动电动泵 Energy-saving automatic electric pump |
| 10/24/2007 | CN200964954Y Drainage pump |
| 10/24/2007 | CN101059134A Circulation pump for auto |
| 10/23/2007 | US7284956 Methods and apparatus for controlling a continuous flow rotary blood pump |
| 10/23/2007 | CA2327500C Control system for multi-pump operation |
| 10/17/2007 | CN200961583Y Energy-saving environment-friendly self-sucking pump |
| 10/11/2007 | WO2007112928A1 Submersible pump |