Patents for F04D 13 - Pumping installations or systems (12,375)
02/2004
02/17/2004US6692234 Pump system with vacuum source
02/17/2004US6692225 Liquid pressing device
02/12/2004US20040030216 Rotary pump with hydrodynamically suspended impeller
02/12/2004US20040028539 Electric pump
02/12/2004US20040028525 Rotary pump with exclusively hydrodynamically suspended impeller
02/12/2004US20040027020 Electro-magnetic archimedean screw motor-generator
02/12/2004DE10235721A1 Method for controlling the flow of refrigerant in a motor vehicle pump, has an electromagnetic coil whose armature controls the friction drive to the impeller
02/11/2004EP1281229B1 Permanent-magnet electric motor for circulation pumps of heating systems
02/11/2004CN2603234Y Water pump for engine of motor cycle
02/10/2004US6688861 Sealless rotary blood pump
02/10/2004US6688860 Protector for electrical submersible pumps
02/09/2004CA2394819A1 Combined pump generator and turbine
02/05/2004US20040022647 Centrifugal pumps with internal cooling
02/04/2004EP1386387A1 Downhole torque generator
02/04/2004EP1386386A1 Downhole torque-generating and generator combination apparatus
02/04/2004EP1386081A1 Method for adjusting the position of a rotating component which is borne by means of a permanent-magnet
02/04/2004EP1171944B1 Rotor device
02/04/2004CN2602195Y An axial-flow pump
02/04/2004CN2602194Y Ground surface shallow water suction pump
02/03/2004US6685448 Water pump
02/03/2004US6685446 Monodirectional impeller with flexible vanes
02/03/2004US6685445 Structure of a vertical-type, acid and base resistance pump
02/03/2004US6684625 Hybrid rocket motor using a turbopump to pressurize a liquid propellant constituent
01/2004
01/29/2004WO2004009999A1 Electronic fluid pump
01/29/2004WO2003083311A3 Motor pump
01/29/2004US20040018104 Induction liquid pump and magnetic tank scrubber
01/29/2004US20040018094 Bilge pump seal and float actuator
01/29/2004CA2493015A1 Electronic fluid pump
01/28/2004CN1136645C Linear motor compressor and its application in cooling system
01/27/2004US6682309 Submersible pump system
01/22/2004WO2004007923A1 Device for driving a coolant pump
01/22/2004US20040013547 Electronic fluid pump
01/22/2004US20040013546 Corrosion-resistant impeller for a magnetic-drive centrifugal pump
01/22/2004DE10240543B3 Tauchpumpe Submersible pump
01/22/2004DE10232138A1 Vorrichtung zum Antrieb einer Kühlmittelpumpe Device for driving a coolant pump
01/21/2004CN2600623Y Electric flexible axle submersible pump
01/21/2004CN2600622Y Disc electromagnetic pump
01/21/2004CN2600621Y Oil pump for axial transformer
01/21/2004CN2600620Y Screw pump driving device capable of annulus testing
01/21/2004CN2600619Y Self-priming motor water pump
01/21/2004CN1469983A Method and system for exchanging earth energy between earthly bodies an energy exchanger, especially to produce an electric current
01/15/2004WO2004005723A2 Improvements in and relating to pumps
01/15/2004US20040009079 Magnet pump
01/15/2004US20040007526 Water is pressurized and filtered via inverted osmosis, ultafiltration, and/or nanofiltration;
01/15/2004US20040007353 Well pump device
01/15/2004DE10315685A1 Klemmverbindung für eine fliegend auf einer Motorwelle gelagerte Pumpenwelle Clamping connection for an overhung on a motor shaft pump shaft
01/14/2004CN2599287Y Automatic water-flowing pump
01/14/2004CN1134594C Coupling device for pump impeller
01/13/2004US6676383 Method and a pump apparatus for the generation of an adjustable, substantially constant volume flow of a fluid and a use of this method
01/13/2004US6676382 Sump pump monitoring and control system
01/08/2004DE10326582A1 In einer Kühlwasserleitung integriert enthaltene Kühlwasserpumpe In a cooling water line integrated cooling water pump included
01/07/2004CN2597715Y Through shaft unit contruction type long shaft deep well pump
01/07/2004CN2597714Y Driving shaft type submersible pump
01/07/2004CN1465866A Self-excited electromagnetic pump
01/06/2004US6672818 Magnetically driven pump
01/02/2004EP1374384A1 Piezo-electric drive
01/02/2004EP1373735A1 Improved pump
01/02/2004EP1372435A1 Pump with axial conduit
01/02/2004EP1372434A1 Membrane deflation in combination with rigid surfaces
01/02/2004EP0708664B1 Blood pump device and method for pumping blood of a patient
12/2003
12/31/2003WO2004001226A2 Pump stabilizer and method
12/31/2003WO2004001222A1 Impeller for compact turbo machines
12/31/2003WO2003031815A3 Downhole well pump
12/31/2003CN2596074Y Single-way rotating type submersible pump
12/31/2003CN2596073Y Adjustable back-ward rotating centrifugal type agricultural motor bicycle special used water pump
12/25/2003US20030235506 Dipping type pump where discharging performance at a time of actuation has been improved
12/24/2003WO2003106845A1 Cooled pump pulley
12/24/2003DE20316535U1 Elektropumpe für Kühlsysteme Electric pump for cooling systems
12/24/2003DE20315241U1 Flow machine, especially centrifugal pump, with magnetic coupling drive has variable hysteresis coupling arranged between drive motor in form of polyphase asynchronous motor and flow machine
12/24/2003CN2594501Y Anti-theft pump head of bore hole pump
12/24/2003CN2594500Y Oil-submersible speed reducer
12/24/2003CN2594499Y Low-noise hydrocooling centrifugal pump
12/24/2003CN2594498Y Magnetic suspension liquid boosting pump
12/24/2003CN2594497Y Connector for water pump with motorcycle
12/23/2003US6666664 Technique for protecting a submersible motor
12/23/2003CA2218342C Rotary blood pump
12/18/2003WO2003104654A1 Pump driven by motor with fluid filled rotor
12/18/2003WO2003103534A2 Percutaneously introduced blood pump and related methods
12/18/2003US20030231966 Tile flood pump
12/17/2003EP1372245A1 Device for transmitting motion between the rotor of a synchronous permanent-magnet motor and the working part, said device having an increased free rotation angle
12/17/2003EP1208630B1 Device for delivering single-phase or multiphase fluids without altering the properties thereof
12/17/2003CN2592907Y Transmission assembly of driving device for underwater pollution discharge pump
12/17/2003CN2592906Y Magnetic driving pump
12/17/2003CN1462344A Method for controlling position of rotating component which supported by permanent-magnet
12/17/2003CN1462343A Method for controlling assist pump for fluid delivery system with pulsatile pressure
12/16/2003US6663362 Fluid pump with a motor housing and method for producing a motor housing
12/11/2003US20030228232 Pump driven by motor with fluid filled rotor
12/11/2003US20030228214 Mixed flow pump
12/11/2003DE20314379U1 Floating solar-powered water irrigation pump has photo-voltaic panel linked to direct current electric motor
12/10/2003EP1121747B1 Assembly of rotatable members
12/10/2003CN2591283Y Mixed flow relay pump with internal lubricating media filling motor
12/10/2003CN2591282Y Mixed flow relay pump
12/10/2003CN2591281Y Driving coupling mechanism for centrifugal pump and motor
12/10/2003CN2591280Y Screw pump bolt supports torque releasing apparatus
12/09/2003US6659737 Electronic fluid pump with an encapsulated stator assembly
12/09/2003US6659649 Rotation support apparatus for compressor pulley
12/04/2003US20030223879 Centrifugal fluid pump assembly
12/04/2003US20030222527 Electric motor with circulator pump
12/03/2003EP1367261A1 fuel pump with high torque electric driving motor in compact structure
12/03/2003CN2589701Y Micro well pump
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