| Patents for F04D 15 - Control, e.g. regulation, of pumps, pumping installations, or systems (4,967) |
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| 11/03/2005 | US20050244280 Liquid loop with multiple pump assembly |
| 11/03/2005 | US20050244263 Self calibrating fan |
| 11/03/2005 | DE202005013561U1 Fire extinguishant circulating pump has ventilation device and aeration cock, and safety valve installed on pump |
| 11/02/2005 | CN2737998Y Integrated water pump controller |
| 11/01/2005 | CA2277380C A method for regulating fluid pressure |
| 10/27/2005 | US20050238498 Variable output pump device |
| 10/27/2005 | DE19647967B4 Pumpe mit Druckdifferenzsensor Pump with pressure difference sensor |
| 10/27/2005 | DE102004017682A1 Verfahren und Vorrichtung zum Fördern einer Flüssigkeit Method and apparatus for conveying a liquid |
| 10/27/2005 | DE102004015153A1 Verfahren zur Funktionsüberprüfung eines Pumpenmotors, insbesondere eines in eine Heizrichtung integrierten Pumpenmotors Method for functional testing of a pump motor, in particular an integrated heating direction in a pump motor |
| 10/26/2005 | EP1589228A1 Variable output pump device |
| 10/26/2005 | EP1588035A1 Thermal control of flowrate in engine coolant system |
| 10/20/2005 | WO2005098217A1 Method and device for transporting a liquid |
| 10/19/2005 | CN2735053Y Automatic watering, exhausting and pumping control device for centrifugal pump |
| 10/19/2005 | CN2735051Y Liquid viscosity variable speed clutch |
| 10/19/2005 | CN2735048Y Multifrequency multi-pump connector |
| 10/19/2005 | CN2735047Y Automatic controller for water pump |
| 10/19/2005 | CN1683777A Impeller for fuel pumps |
| 10/18/2005 | CA2369955C Device for delivering single-phase or multiphase fluids without altering the properties thereof |
| 10/13/2005 | WO2005019655B1 Electronic control device for a synchronous pump |
| 10/13/2005 | US20050226731 Controller for a motor and a method of controlling the motor |
| 10/13/2005 | US20050226716 Impeller for fuel pumps |
| 10/12/2005 | EP1585205A2 Controller for a motor and a method of controlling the motor |
| 10/12/2005 | CN1680725A Breaking protector of pump |
| 10/05/2005 | EP1582747A1 Method for testing the functioning of a pump motor integrated into a heating appliance and heating appliance |
| 10/04/2005 | US6951223 Cleaning liquid supply system having pumps connected to tank |
| 09/29/2005 | US20050214127 Fuel pump with automatic shutoff |
| 09/22/2005 | WO2005088134A1 Method and arrangement for controlling a pumping station |
| 09/22/2005 | US20050207904 Transporting method and transporting facility for easily polimerizable material |
| 09/22/2005 | US20050207882 Air circulating apparatus |
| 09/21/2005 | CN2727455Y Protective loop for water pump |
| 09/21/2005 | CN1671969A Mix-in structure for gas or the like in pressurization centrifugal pump |
| 09/14/2005 | EP1454066B1 Submersible pump assembly with float switch |
| 09/13/2005 | US6941785 Electric fuel pump condition monitor system using electrical signature analysis |
| 09/07/2005 | CN1666015A Device for driving a coolant pump |
| 09/06/2005 | US6939109 Pump control system |
| 09/01/2005 | WO2005081390A1 Method for diagnosing operating states of a synchronous pump, and device for carrying out said method |
| 09/01/2005 | WO2005080798A1 Water supply pump system |
| 09/01/2005 | US20050191184 Process flow control circuit |
| 08/31/2005 | CN2721927Y Pressure adjuster of electric pump |
| 08/31/2005 | CN2721924Y Water-deficient self-adjusting protector of water pump |
| 08/31/2005 | CN2721923Y Water-deficient protector of water pump |
| 08/31/2005 | CN2721922Y Monitor of water pump |
| 08/31/2005 | CN1661239A Pump for recovering condensate in pneumatic unit |
| 08/30/2005 | US6935839 Variable flow water pump |
| 08/25/2005 | WO2005078287A1 Method for determining faults during the operation of a pump unit |
| 08/25/2005 | US20050184879 Remote monitoring system |
| 08/25/2005 | DE19842565B4 Automatische Ermittlung der PID-Reglerparameter für einen Druckregelkreis in Mehrpumpenanlagen Automatic determination of the PID controller parameters for loop pressure control in multi-pump systems |
| 08/25/2005 | DE10331602B4 Tauchmotorpumpe mit Frostschutzeinrichtung Submersible pump with frost protection device |
| 08/24/2005 | EP1565712A1 Method and device for determining a level of a liquid in a reservoir of a motor vehicle |
| 08/24/2005 | CN2720164Y Water-locking self-control device for water pump |
| 08/24/2005 | CN2720163Y AC automatic water-supplying water pump |
| 08/23/2005 | US6933693 Method and apparatus of detecting disturbances in a centrifugal pump |
| 08/18/2005 | WO2005075827A1 A pumping system |
| 08/18/2005 | US20050178635 Device for diving a coolant pump |
| 08/17/2005 | EP1564411A1 Method for detecting operation errors of a pump aggregate |
| 08/17/2005 | CN2718277Y 自动潜水泵 Automatic submersible pump |
| 08/16/2005 | CA2289343C Apparatus and method of protecting a water pump driven by a combustion engine from high speed damage |
| 08/11/2005 | US20050175466 Enclosed pump switch level control system |
| 08/11/2005 | US20050175449 Mix-in structure for gas or the like in pressurization centrifugal pump |
| 08/11/2005 | DE10123139B4 Verfahren zur Regelung einer Unterstützungspumpe für Fluidfördersysteme mit pulsatilem Druck A method for controlling an assist pump for fluid delivery systems with pulsatile pressure |
| 08/02/2005 | US6923617 Bidirectional hydraulic pump |
| 07/27/2005 | EP1556675A2 Method and system for determining pump cavitation and estimating degradation in mechanical seals therefrom |
| 07/27/2005 | CN2713179Y Automatic controller for water storage tank water pump |
| 07/26/2005 | US6920846 Electric coolant pump having an integrated valve, and method for controlling said valve |
| 07/21/2005 | US20050158183 Method for driving a bidirectional motor to rotate a fluid circulation pump |
| 07/21/2005 | US20050158176 Water pumping and controlling device |
| 07/21/2005 | US20050158165 Single-shaft multistage pump |
| 07/20/2005 | EP1555439A2 Single-shaft multistage pump |
| 07/20/2005 | EP1554969A1 Method for driving a bidirectional motor to rotate a fluid circulation pump |
| 07/20/2005 | EP1554497A1 Submersible motor-driven pump with an anti-frost device |
| 07/20/2005 | CN2711419Y High powder float ball water level controller |
| 07/20/2005 | CN1642893A Transporting method and transporting facility for easily polymerizable material |
| 07/20/2005 | CN1641239A Coupling device between a rotor of a permanent-magnet synchronous motor and a working part |
| 07/20/2005 | CN1641224A Single-shaft multistage pump |
| 07/14/2005 | WO2005064167A1 Quantitative measurement |
| 07/14/2005 | US20050150982 Cleaning system for headlamps of motor vehicles |
| 07/14/2005 | DE19721108B4 Kraftstoffpumpe und Verfahren zur Herstellung derselben Fuel pump and method of manufacturing the same |
| 07/14/2005 | DE10359726A1 Mengenmessung Volume measurement |
| 07/13/2005 | EP1553681A1 Coupling device between a rotor of a permanent-magnet synchronous motor and a working part |
| 07/13/2005 | EP1553306A1 Mix-in structure for gas or the like in pressurization centrifugal pump |
| 07/12/2005 | CA2211146C Improved automatic recirculation valve |
| 07/05/2005 | CA2250160C Coolant pump for automotive use |
| 06/30/2005 | US20050140221 Coupling device between a rotor of permanent-magnet synchronous motor and a working part |
| 06/30/2005 | DE10354148A1 Pump for dishwasher or washing machine, has receptacle on one fluid connection for pressure monitoring device |
| 06/29/2005 | CN1633576A System and method of pressure distribution and pressure regulation for heating and air-conditioning units, and a very high-rise building utilizing the same |
| 06/29/2005 | CN1632323A Ammonia pump automatic liquid adding continuous constant pressure apparatus |
| 06/23/2005 | WO2005055694A2 Pump control system and method |
| 06/22/2005 | EP1544474A2 Radial pump |
| 06/21/2005 | US6908289 Fuel pump with automatic shutoff |
| 06/15/2005 | EP1540186A1 Condition monitoring of pumps and pump system |
| 06/15/2005 | CN2704704Y Fluid breaking protector of pump |
| 06/14/2005 | US6904762 Pump pressure limiting method |
| 06/09/2005 | US20050123408 Pump control system and method |
| 06/08/2005 | EP1538339A1 Radial pump |
| 06/08/2005 | EP1538338A1 Radial pump |
| 06/02/2005 | WO2005024240A3 Method and device for determining the hydraulic flow rate in a pump |
| 06/02/2005 | US20050118018 Variable flow water pump |
| 06/01/2005 | CN2703151Y Standing suction pump |
| 06/01/2005 | CN2703150Y Automatic controlling device for domestic water pump |
| 05/26/2005 | US20050110655 RF communication with downhole equipment |