Patents for F04D 15 - Control, e.g. regulation, of pumps, pumping installations, or systems (4,967) |
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05/06/2004 | WO2004038228A1 Improvements in bilge removal |
05/06/2004 | EP1416163A2 Centrifugal pump with self cleaning bearing surface |
05/06/2004 | EP1415672A2 Pressure sensor |
05/05/2004 | CN1493788A Method of controlling several pumps and pump corresponding to said method |
05/04/2004 | US6729848 Sensor mount for sump draining apparatus |
05/04/2004 | US6729847 Bilge pump seal and float actuator |
04/29/2004 | WO2004001515A9 Speed and fluid flow controller |
04/28/2004 | EP1413769A1 Pump with connection line to measuring points |
04/28/2004 | EP1413768A1 Pump with sensor in pump casing |
04/28/2004 | EP1212534B1 Monodirectional impeller for centrifugal electric pumps having a permanent-magnet synchronous motor |
04/27/2004 | US6725813 Temperature-controlled variable speed water pump |
04/22/2004 | DE10247424A1 Adjustable vane wheel for pump has induction channel directly in front of it able to be closed and/or throttled by blocking device |
04/21/2004 | EP1411250A1 Bidirectional hydraulic pump |
04/20/2004 | US6722854 Canned pump with ultrasonic bubble detector |
04/15/2004 | US20040071554 Method for controlling several pumps |
04/15/2004 | US20040071547 Bidirectional hydraulic pump |
04/13/2004 | US6719525 Submerged motor vane wheel rotation direction control structure |
04/08/2004 | DE20218579U1 Device for operating of cooling lubricant pump has time controller integrated in housing installed on pump and provided with multipole connector for connecting of power supply on pump |
04/08/2004 | DE10234630A1 Verfahren zur Bestimmung der Durchflussmenge eines Fluids durch eine Pumpe Method for determining the flow rate of a fluid through a pump |
04/07/2004 | EP1406017A1 Centrifugal pump |
04/07/2004 | EP1404950A1 Cooling system for a motor vehicle engine |
04/07/2004 | EP1404208A1 Dishwasher comprising spraying arms and a circulating pump |
04/07/2004 | CN2610126Y Midium-pressure frequency control of motor speed control device for submersible electric pump |
04/06/2004 | US6717383 Fountain control for generating dynamically changing flow patterns |
04/06/2004 | US6715996 Method for the operation of a centrifugal pump |
04/06/2004 | US6715471 Electric fuel pump |
04/01/2004 | US20040064292 Control system for centrifugal pumps |
04/01/2004 | US20040064012 Blood pump system |
04/01/2004 | US20040062658 Control system for progressing cavity pumps |
04/01/2004 | US20040062657 Rod pump control system including parameter estimator |
03/31/2004 | EP1403522A1 Liquid level gauge calibration means |
03/31/2004 | EP1403521A1 Pump having one inlet and two outlets |
03/31/2004 | EP1402907A1 Blood pump system |
03/31/2004 | EP0978657B1 Fluid machinery |
03/30/2004 | US6711943 Method for the determination of the viscosity of a liquid such as blood |
03/30/2004 | CA2230691C An improved electrical submersible pump and methods for enhanced utilization of electrical submersible pumps in the completion and production of wellbores |
03/25/2004 | US20040057851 Pump with selectable suction ports |
03/25/2004 | US20040055363 Speed and fluid flow controller |
03/24/2004 | CN2607459Y Piston-type multifunction water pump controlling valve |
03/23/2004 | US6709241 Apparatus and method for controlling a pump system |
03/23/2004 | US6709240 Method and apparatus of detecting low flow/cavitation in a centrifugal pump |
03/23/2004 | US6708899 Headlamp cleaner and injection control method |
03/18/2004 | WO2004011811A9 Mix-in structure for gas or the like in pressurization centrifugal pump |
03/18/2004 | WO2004001515A3 Speed and fluid flow controller |
03/18/2004 | DE10331602A1 Tauchmotorpumpe mit Frostschutzeinrichtung Submersible pump with frost protection device |
03/11/2004 | WO2004020835A1 Submersible motor-driven pump with an anti-frost device |
03/11/2004 | US20040047737 Methods and apparatus for controlling a continuous flow rotary blood pump |
03/11/2004 | US20040047736 Methods and apparatus for controlling a continuous flow rotary blood pump |
03/11/2004 | CA2497056A1 Submersible motor-driven pump with an anti-freeze device |
03/04/2004 | WO2003095277B1 Cleaning system for headlamps of motor vehicles |
03/03/2004 | CN2605402Y Automatic constant-pressure water pump |
02/26/2004 | US20040037721 Pump stabilizer and method |
02/25/2004 | EP1391612A1 Method for controlling several pumps |
02/25/2004 | EP0901574B1 Submerged motor pump |
02/25/2004 | CN1139726C Performance regulating device for fluid machinery |
02/19/2004 | DE20220714U1 Tauchpumpenanordnung mit einem Schwimmerschalter Submersible pump assembly with a float switch |
02/12/2004 | US20040026075 System and method of pressure distribution and pressure regulation for heating and air-conditioning units, and a very high-rise building utilizing the same |
02/11/2004 | EP1387959A2 Fluid controlled pumping system and method |
02/10/2004 | US6688320 Utility conservation control methodology within a fluid pumping system |
02/05/2004 | WO2004011811A1 Mix-in structure for gas or the like in pressurization centrifugal pump |
02/05/2004 | WO2004011810A1 Condition monitoring of pumps and pump system |
02/05/2004 | US20040022640 Method for calibrating a pressure sensor or a flow sensor at a rotary pump |
02/05/2004 | DE10228673A1 Back pressure regulator in the bypass channel of a pump system, e.g. for water, has a guide bush for a sliding piston-shaped closure body with a spring and two sets of jet openings for a minimum discharge volume |
02/05/2004 | CA2493419A1 Mix-in structure for gas or the like in pressurization centrifugal pump |
02/04/2004 | EP1387087A2 Method for determining the flow rate in a pump |
02/04/2004 | EP1387086A1 Centrifugal pump |
02/04/2004 | EP1386387A1 Downhole torque generator |
02/04/2004 | EP1386386A1 Downhole torque-generating and generator combination apparatus |
02/04/2004 | EP1171944B1 Rotor device |
02/04/2004 | CN2602197Y Pumping station liquid level timing automatic control bench |
02/04/2004 | CN2602196Y 高压水路控制装置 High pressure water control device |
02/03/2004 | US6685621 Implantable heart assist system and method of applying same |
02/03/2004 | US6685446 Monodirectional impeller with flexible vanes |
01/29/2004 | US20040019251 Implantable heart assist system and method of applying same |
01/29/2004 | US20040018094 Bilge pump seal and float actuator |
01/28/2004 | EP1384892A1 Flow regulator for water pump |
01/22/2004 | WO2004007923A1 Device for driving a coolant pump |
01/22/2004 | US20040013222 Measurement system of torsion vibration for reactor internal pump |
01/22/2004 | DE10232138A1 Vorrichtung zum Antrieb einer Kühlmittelpumpe Device for driving a coolant pump |
01/21/2004 | CN2600624Y Protection device for water pump of position water supply boiler |
01/21/2004 | CN1469048A Controllable bidirectioal pressurizing water pump |
01/21/2004 | CN1135302C Device for regulating pumping capacity of vertical axis constent speed centrifugal pump |
01/20/2004 | US6679685 Method and device for discharging viscous fluids |
01/14/2004 | CN2599288Y Screw pump for well head suffocating-proof gate |
01/13/2004 | US6678620 Method for promoting energy saving in fluid machinery |
01/13/2004 | US6676383 Method and a pump apparatus for the generation of an adjustable, substantially constant volume flow of a fluid and a use of this method |
01/02/2004 | EP1375917A2 Electric pump |
12/31/2003 | WO2004001515A2 Speed and fluid flow controller |
12/31/2003 | WO2004001226A2 Pump stabilizer and method |
12/31/2003 | CN1133010C 流体机械 Fluid Machinery |
12/30/2003 | US6671657 Method for calculating characteristic curve of centrifugal fluid machine by computer |
12/30/2003 | US6669448 Pump control method and apparatus |
12/30/2003 | US6669439 Variable flow impeller-type water pump with movable shroud |
12/30/2003 | US6669110 Washer system having single tank for storing cleaning liquid |
12/25/2003 | US20030235492 Controlling multiple pumps operating in parallel or series |
12/24/2003 | CN2594502Y Stepless output volume regulator of pressure pump |
12/23/2003 | CA2124907C Water-sensing alarm for water control systems |
12/17/2003 | EP1208630B1 Device for delivering single-phase or multiphase fluids without altering the properties thereof |
12/17/2003 | CN2592908Y Fully-automatic water-supply-drain protection controller for water pump |
12/17/2003 | CN1462343A Method for controlling assist pump for fluid delivery system with pulsatile pressure |