Patents for F04D 13 - Pumping installations or systems (12,375)
09/1997
09/23/1997US5669323 In an open vessel
09/23/1997CA2166403C Pump with fluid bearing
09/16/1997US5668425 Startup device for the rotor of a permanent-magnet synchronous motor
09/11/1997DE19608602A1 Glandless flow machine with radial rotor e.g. centrifugal pump for chemical materials
09/10/1997EP0793871A1 Motor stator removably fitted on the split pot flange
09/10/1997CN2262124Y Submersible and float two purpose pump
09/10/1997CN2262123Y Circulation pump for hot and cold water
08/1997
08/26/1997US5660520 Downhole centrifugal pump
08/21/1997WO1997029795A1 Sealless rotary blood pump with passive magnetic radial bearings and blood immersed axial bearings
08/21/1997DE19620901C1 Immersion motor for circulation pump
08/20/1997CN2260184Y Fixation arrangement for submerged oil pump
08/19/1997US5659214 Submersible canned motor transfer pump
08/19/1997US5658135 Waste water pump station
08/19/1997CA2077303C Motor and cooling means therefor
08/14/1997WO1997029286A1 A centrifugal pump device
08/12/1997US5655849 For use in a pump
08/12/1997US5655485 Rotary electric machine having engine cooling water pump
08/05/1997US5653111 Thermoelectric refrigeration with liquid heat exchange
08/04/1997CA2209803A1 Hydraulically driven oil well pump
07/1997
07/31/1997WO1997027403A1 Improvements in an unloading pump which is submersible in the cargo of a ship's cargo tank
07/24/1997DE19616578C1 Drive head for rotary driven rod linkage for borehole pump
07/22/1997US5650676 Electric motor with improved seal
07/22/1997US5649811 Combination motor and pump assembly
07/22/1997US5649425 Turboexpander pump unit
07/15/1997US5648694 Motor stator assembly and full-circumferential flow pump employing such motor stator assembly
07/10/1997WO1997024532A1 Pump assembly
07/10/1997DE19630347A1 Barrel pump for pumping low viscosity fluids
07/09/1997CN2257573Y Axial-flow electric pump
07/01/1997US5644178 Wet rotor gap tube motor for pumps
06/1997
06/25/1997CN1152676A Liquid pump
06/24/1997US5641276 Electric pump for environmentally hazardous material
06/24/1997US5641275 Grooved shaft for a magnetic-drive centrifugal pump
06/18/1997EP0779699A1 Magnetic coupling for a centrifugal pump
06/18/1997EP0779433A1 Electric fuel pump for motor vehicle
06/18/1997EP0482063B1 implantable centrifugal cardiac assist pump with radial drive implantable centrifugal cardiac assist pump with radial drive
06/12/1997DE19649571A1 Magnetisch gekoppelte Pumpe Magnetically coupled pump
06/11/1997EP0778658A1 Detector for asynchronous movement in a magnetic coupling
06/11/1997EP0778649A1 Motor pump unit
06/11/1997EP0777825A1 Pumping unit with very low voltage three-phase motor
06/05/1997DE19548471C1 Circulation pump system e.g. for wet-running motor
06/04/1997CN2255515Y Vane centrifugal self-suction medicine pump
06/03/1997US5634772 System for controlling operation of turbo type fluid machinery
05/1997
05/28/1997EP0775663A1 Device for manipulating submersible apparatus
05/27/1997US5633555 Magnetic drive arrangement comprising a plurality of magnetically cooperating parts which are movable relative to one another
05/22/1997DE19546336A1 Magnet coupling arrangement for centrifugal pump
05/21/1997EP0774584A1 A device for mounting and keeping together parts in a submersible pump unit
05/14/1997EP0773369A1 Liquid pump with bayonet coupling of the diffuser/filter
05/14/1997EP0540581B1 Water pump
05/07/1997DE19541195A1 Centrifugal pump unit
05/07/1997DE19541093A1 Pump for metal alloy melting furnace
05/06/1997US5627420 Pump powered by a canned electric motor having a removable stator cartridge
05/02/1997EP0770780A1 Heat exchanger for the magnetic coupling of a centrifugal pump
04/1997
04/29/1997US5624238 Portable water pump for use with swimming pools
04/16/1997EP0768466A1 Electrically-powered water-immersed pump
04/09/1997EP0767279A1 Waste water pump station
04/09/1997EP0633982B1 Apparatus for pumping liquids
04/09/1997CN1147064A Submerged pump
04/08/1997US5618166 Submersible pump for pumping radioactive liquids
04/02/1997CN2251060Y Pump submersible in concentrated sulfuric acid at high-temp.
04/01/1997US5616013 Full-circumferential flow pump
03/1997
03/27/1997DE19639223A1 Magnetic pump for water cooling system of IC engine
03/25/1997US5613844 For a vehicle in-tank fuel pump
03/20/1997DE19534179A1 Holder for slotted tube motor for rotary pump
03/19/1997EP0712466B1 Centrifugal fuel pump with starting stage
03/18/1997US5611679 Corrosion-resistant pump
03/12/1997CN1144887A Electric booster pump and pump group connector
03/06/1997WO1997008808A1 Canned motor
03/06/1997WO1997008807A1 Electric motor
03/06/1997WO1997008459A1 An improved electrical submersible pump and methods for enhanced utilization of electrical submersible pumps in the completion and production of wellbores
03/06/1997DE19635044A1 Coolant temperature control system for car
03/05/1997CN1034191C Multipurpose asynchronous electrical motor centrifugal pump
03/04/1997US5607329 Integrated motor/marine propulsor with permanent magnet blades
03/04/1997US5607293 Apparatus for supplying fuel to a fuel tank of an internal combustion engine
02/1997
02/27/1997DE19634180A1 Blood pump control method e.g. for artificial heart-lungs system
02/22/1997CA2605303A1 Centrifugal pump
02/22/1997CA2176437A1 Centrifugal pump
02/20/1997WO1997006050A1 Cargo discharging pump
02/05/1997CN2246722Y Internal cooling high-lift downdraft pump
02/04/1997US5599175 Micro flow controlling pump
02/04/1997US5599171 Rotary, self-priming, liquip pump, and an impellers and shaft assembly therefor, and a flexible-impeller pump assembly
02/04/1997US5599164 Centrifugal process pump with booster impeller
01/1997
01/30/1997DE19527879A1 Elektromotor, insbesondere Antriebsmotor für eine Faß- oder Behälterpumpe Electric motor, especially drive motor for a grasping or container pump
01/29/1997EP0668969B1 Sludger
01/29/1997CN2246202Y Sucking machine in use for pipeline residual liquid
01/28/1997US5598080 Starting device for a single-phase induction motor
01/28/1997US5597288 Screw type water flow generating apparatus
01/23/1997WO1997002403A1 Improvements in deep well pumping apparatus
01/22/1997EP0754865A2 Submerged pump
01/22/1997EP0607429B1 Induction motor of the outer rotor-type
01/22/1997CN1140808A Liquid pump
01/15/1997EP0489142B1 Subsea pump system
01/08/1997CN2244633Y Submersible pump
01/02/1997EP0751355A1 Transport mechanism for the cyclic transporting of the cooled down content of a pipe in a hot water distribution system
01/02/1997EP0751299A1 Liquid pump
01/02/1997EP0751298A1 Liquid pump
01/02/1997EP0628224B1 Electric pump
01/02/1997DE19523661A1 Self-supporting turbo-rotor e.g. for multistage pumps, blowers compressor and turbines
12/1996
12/31/1996US5588812 Implantable electric axial-flow blood pump
12/25/1996CN2243559Y Electromagentic sucking water pump
12/19/1996WO1996041082A1 Low flow-rate pump