Patents for F04D 13 - Pumping installations or systems (12,375)
12/1996
12/17/1996USRE35404 Ignition-source free fuel pump
12/11/1996EP0747599A1 Pump casing made of sheet metal
12/11/1996EP0746683A1 Pump with fluid bearing
12/10/1996US5582505 For pumping a highly viscous fluid
12/03/1996US5580216 Magnetic pump
12/03/1996US5580213 Electric fuel pump for motor vehicle
11/1996
11/28/1996DE19622286A1 Domestic electric water-pump
11/27/1996CN1136643A Self-control protective submersible electric pump
11/27/1996CN1136642A Full circumference flow pump group and its producing method
11/26/1996US5578012 Medical fluid pump
11/26/1996US5577895 Submerged pump unit having a variable length pipe assembly
11/20/1996EP0743457A1 Centrifugal pump with flexible vanes priming pump
11/20/1996EP0742872A1 Rotary pump and motor assembly
11/20/1996CN1136160A Automatic ice making apparatus and refrigerator
11/19/1996US5575630 Blood pump having magnetic attraction
11/12/1996US5573063 Deep well pumping apparatus
11/06/1996CN1135253A Pump with a number of distinct pumping stages for pumping several liquids
11/05/1996US5571001 Electrically-powered water-immersed pump
10/1996
10/31/1996WO1996034205A1 Medical fluid pump
10/30/1996EP0740079A1 A submersible canned motor mixing pump
10/30/1996EP0740078A1 A submersible canned motor transfer pump
10/29/1996US5569022 Self-unblocking motor-driven pump having last motion shaft coupling
10/24/1996DE19517901C1 Biological gas generator incorporates non-slip gas-tight cap accommodating hoist
10/22/1996US5567312 Pressure and recirculating pump for concentrating a solution
10/22/1996US5567133 Canned motor and pump employing such canned motor
10/22/1996US5567132 Seal for pump having an internal gas pump
10/17/1996WO1996032592A1 Magnetic drive centrifugal pump
10/17/1996WO1996032588A1 Pump with co-axial magnetic coupling
10/17/1996EP0746683A4 Pump with fluid bearing
10/17/1996DE19513962A1 Centrifugal pump with impeller in casing for water economy in power plants, etc.
10/17/1996CA2215527A1 Pump with co-axial magnetic coupling
10/15/1996US5564912 Water driven pump
10/10/1996WO1996031937A1 Linear motor compressor and its application in cooling system
10/10/1996WO1996031934A1 Rotary machine with an electromagnetic rotary drive
10/10/1996WO1996031703A1 Centrifugal process pump with booster impeller
10/10/1996DE19613388A1 Magnetically located type of pump esp. magnetic suspension pump
10/08/1996US5562406 Seal assembly for fluid pumps and method for detecting leaks in fluid pumps or fluid containment devices
10/02/1996EP0735655A2 Magnetic clutch
10/02/1996EP0735273A1 Twin pump with main control system
10/02/1996EP0734487A1 Pump for filtration systems
10/02/1996DE19511636A1 Rotary or centrifugal pump of canned motor type for chemical industry,
09/1996
09/26/1996DE19509454A1 Electric motor esp. wet running motor for e.g. pump
09/25/1996CN2236034Y High-lift water-submerged and oil-submerged pump
09/24/1996US5559383 Motor bearing with resilient guide
09/24/1996US5558502 Turbo pump and supply system with the pump
09/18/1996EP0732794A1 Stator fixation for a canned motor
09/18/1996CN2235517Y Submerged pump with sand remover
09/04/1996EP0730094A1 Variable level suction device
09/04/1996CN2234517Y Magnetic submerged pump
09/04/1996CA2170833A1 Variable level suction device
09/04/1996CA2170832A1 Submersible canned motor transfer pump
09/04/1996CA2170831A1 Submersible canned motor mixer pump
09/03/1996US5551837 Apparatus for regulating the transport flow of a liquid that is circulated by a centrifugal pump in a closed pipe system
08/1996
08/28/1996EP0728949A1 Group of full-circumferential-flow pumps and method of manufacturing the same
08/27/1996US5549459 Radial bearing assembly for a high intertia flywheel of a canned motor pump
08/27/1996US5549447 System for cooling a centrifugal pump
08/22/1996DE19504099A1 Directly pluggable connection for canned motor of heating pump
08/20/1996CA2052012C Method and an apparatus for separating gas from solids-containing liquid
08/14/1996CN2232996Y Boiler water supply pump group having small flow, high delivery lift and energy saving functions
08/13/1996US5545017 Unit for delivering fuel from a supply tank to the internal combustion engine of a motor vehicle
08/13/1996US5544487 Thermoelectric heat pump w/hot & cold liquid heat exchange circutis
07/1996
07/31/1996EP0723631A1 Centrifugal pump, especially for fountains
07/30/1996US5540567 Assembly for conveying a liquid medium, especially a heat carrier, in the cooling and heating circuit of a motor vehicle, with a magnetic driven pump having a moisture permeable wall between magnets
07/26/1996CA2135156A1 Eagle water circulating back-up system
07/25/1996DE19525704C1 Encapsulated rotor for asynchronous motor in circulation pump
07/24/1996EP0723329A2 Improved startup device for the rotor of a permanent-magnet synchronous motor
07/20/1996CA2167356A1 Startup device for the rotor of a permanent-magnet synchronous motor
07/17/1996CN2231331Y Hand and electric dual water pump
07/11/1996DE19500150A1 Aus einer Arbeitsmaschine und einem Motor bestehendes Aggregat From a working engine and a motor existing unit
07/03/1996EP0719941A1 Double-suction pump
07/03/1996EP0719940A1 Full circumferential flow pump
07/03/1996EP0719939A2 Piezoelectric progressive wave motor for canned pump
07/03/1996EP0719938A1 Travelling wave piezo electric motor for canned motor pumps with magnetic coupling
07/03/1996EP0580659B1 Pump for fluids
07/03/1996CN2230369Y Dirt-off-taking pump
06/1996
06/26/1996EP0718530A1 Pump unit
06/25/1996US5529464 Cryogenic turbopump
06/20/1996WO1996018817A1 Impeller
06/20/1996DE4444854A1 Modular fuel pump assembly designed for ease of assembly and servicing
06/19/1996EP0717195A2 Pump casing made of sheet metal
06/19/1996CN2229560Y Automatic water suction device for submersible pump
06/19/1996CN2229559Y Double-stage soft shaft water pump
06/18/1996US5527157 Evaporative coller pump apparatus
06/12/1996EP0715691A1 Torque-compensated centrifugal pump
06/11/1996US5525039 Hermetically sealed magnetic drive pump
06/05/1996CN2228668Y Computer connector
06/05/1996CN2228667Y Portable foldable type quick looking up table
06/05/1996CN1031954C Axial connection pump
06/04/1996US5522709 Apparatus for intermittent transfer of fluid having vapor trap seal and vapor escape means
05/1996
05/30/1996WO1996016464A1 Motor stator removably fitted on the split pot flange
05/30/1996DE4441378A1 Spalttopf einer Kreiselpumpe Containment shell of a centrifugal pump
05/29/1996EP0713976A1 Full-circumferential flow pump
05/29/1996CN2228160Y Wear-resisting slag-removing sluice valve
05/28/1996US5519995 For generating a force acting on a vertically movable piston rod
05/22/1996EP0712466A1 Centrifugal fuel pump with starting stage
05/22/1996CN2227766Y Pressure water valve
05/22/1996CN1031839C Protective device for submersible electric motor
05/17/1996WO1996014511A1 Rotary pump and motor assembly
05/14/1996US5516262 Automatic pump
05/08/1996EP0711019A1 Canned pump