Patents for F04D 13 - Pumping installations or systems (12,375)
06/1993
06/02/1993EP0538409A4 Fuel-bundle inversion for dual-phase nuclear reactors
06/02/1993CN1072757A High-pressure booster pump integrated with electric motor
06/01/1993US5215448 Combined boiler feed and condensate pump
06/01/1993US5215430 Ignition-source free fuel pump
06/01/1993CA1318550C Pump
05/1993
05/27/1993WO1993010361A1 Electrohydraulic machine
05/26/1993EP0543601A2 Rotary assemblies
05/26/1993EP0543422A1 Motor pump with a treating liquid circulation system
05/26/1993EP0438517B1 Canned motor pump with pressure-proof casing
05/19/1993EP0541883A1 Pump driven by reaction turbine
05/19/1993DE3645260A1 Pump with double-walled split-tube magnetic clutch - has film in space between walls, visible from exterior as evidence of damage or liq. contact.
05/19/1993CN2133700Y Protector for submersible pump of machine well
05/19/1993CN2133693Y Water-filled water uptake pot for water pump
05/19/1993CN2133692Y Magnetic chemical pump
05/18/1993US5211546 Axial flow blood pump with hydrodynamically suspended rotor
05/15/1993CA2078849A1 Motor-driven pump with reaction turbine
05/13/1993DE4137103A1 Elektrohydraulisches geraet Geraet electro-hydraulic
05/12/1993EP0540581A1 Electric drive water pump.
05/12/1993CN2132851Y Leakageless submersible electric pump
05/11/1993US5209650 Integral motor and pump
05/05/1993CN1020499C Installation of pressurizing water supply device in pipeline for submersible electric pump
05/05/1993CN1020498C Series connection device of submersible electric pump used in deep well
05/04/1993US5207562 Submersible pump with handle providing electrical connection and oil port
04/1993
04/28/1993EP0539000A1 Pelton wheel turbine
04/28/1993EP0538409A1 Fuel-bundle inversion for dual-phase nuclear reactors
04/28/1993EP0538407A1 Nuclear reactor with bi-level core
04/28/1993EP0538400A1 Reactor-core isolation cooling system with dedicated generator
04/27/1993US5205725 Top suction sump pump having bottom suction impeller
04/27/1993US5205721 Split stator for motor/blood pump
04/21/1993CN2130214Y Single pump water flushing oil pump
04/20/1993US5204053 Bi-level fuel management method for boiling-water nuclear reactor
04/20/1993US5203682 Inclined pressure boost pump
04/20/1993US5203080 Method of making modular protector assemblies for oil-filled submergible electric motors
04/15/1993WO1993007393A1 Deep well electrical submersible pump with uplift generating impeller means
04/15/1993WO1993007391A1 Pump
04/15/1993WO1993007388A1 Fluid pump with magnetically levitated impeller
04/15/1993CA2119147A1 Deep well electrical submersible pump with uplift generating impeller means
04/13/1993US5202084 Bi-level reactor including steam separators
04/13/1993US5201848 Deep well electrical submersible pump with uplift generating impeller means
04/13/1993US5201642 Magnetic drive pump
04/13/1993CA1316004C Shaft coupling with alignment adjustment means
04/06/1993US5199848 Portable water driven pump
04/01/1993DE4138612C1 Appts. for continuously stirring and cleansing liq. contg. solids - includes sepn. pump with centrifugal wheel, cylindrical pump chamber with 2 or more outlets, etc.
03/1993
03/31/1993EP0534126A1 Centrifugal pump, in particular washer pump for cleaning windshields of motor vehicles
03/30/1993US5197859 Well pump system
03/30/1993US5197851 Axial flow turbopump with integrated boosting
03/30/1993CA1315176C Device for automatic circulation in a waste water pump station
03/23/1993US5195877 Fluid pump with magnetically levitated impeller
03/17/1993CN2128317Y Acid- and alkali-resisting magnet-driven centrifugal pump without high temp during idle running
03/14/1993CA2051368A1 Subsurface hydrocarbon pumping apparatus and method
03/10/1993EP0531267A2 Motor cooling device
03/10/1993EP0530573A1 Integrated turbine and pump assembly
03/05/1993CA2077520A1 Inclined pressure boost pump
03/03/1993CN2127751Y Submersible pump
02/1993
02/25/1993DE4128032A1 Rotary pump for handling boiling cryogenic liquids - has inducer drive mounted on hollow shaft of pump and uses inducer running at different speed from pump
02/24/1993CN2127437Y Supper-minisize, wholly sealed, corrosion resistant plastic pump
02/24/1993CA2072242A1 Integrated turbine and pump assembly
02/23/1993US5189328 Laminated motor bearing for electrical submersible pump
02/23/1993US5188463 Bearing for the shaft of a canned motor pump
02/17/1993EP0527630A1 Nuclear reactor comprising steam separator and two axially arranged cores
02/16/1993US5186610 Buoyant pump assembly
02/10/1993CN1068876A High-pressure masked pump by gas isolation
02/09/1993US5184945 Bushing structure for using in magnetically driving centrifugal pumps
02/02/1993US5183392 Combined centrifugal and undervane-type rotary hydraulic machine
01/1993
01/27/1993CN1068400A Numerically-controlled flooding booster pump
01/26/1993US5181841 Sewage pump
01/26/1993US5181838 Vehicle washer pump
01/26/1993US5181828 Molten metal pump
01/26/1993CA1313083C High pressure pump with plastic pump housing and heat sink
01/21/1993DE4123661A1 Electrically driven cooling pump for vehicle IC engine - has integrated motor with two split sleeves enclosing two-part stator
01/14/1993DE4111713A1 Fluidpumpe Fluid pump
01/13/1993EP0522324A1 Pumping assembly made of a flow machine and drive motor
01/13/1993CN1067947A Shaft coupling pump
01/12/1993US5178520 Double centrifugal pump with single casing and adapter insert
01/12/1993US5178515 Medical pump
01/07/1993WO1993000260A1 Arrangement of a submersible pump
01/07/1993DE4121600A1 Submerged/diving pump assembly - has flow turbulence producing device in bottom facing inlet collar allowing sand to be pumped
01/05/1993US5176508 Turbopump system for driving a plurality of pumps
12/1992
12/30/1992EP0520333A1 Pump unit
12/29/1992US5174726 Liquid pump
12/24/1992DE4119907A1 Portable motor and pump unit - has cables and hoses stowed on reels or rollers and is fitted with push handle and lockable supports
12/23/1992EP0519176A1 Motor driven complex pump apparatus
12/23/1992CN2125741U Portable multi-purpose transfusion pump
12/23/1992CN2125740U Magnetic force driven pump
12/23/1992CN1019595B Centrifugal pump with lubricant strainer system
12/16/1992EP0518593A1 Forced-circulation reactor with enhanced flow in natural circulation operation
12/16/1992EP0518050A1 Liquid pump apparatus
12/16/1992EP0513222A4 Centrifugal pump lubricant strainer system
12/16/1992CN2125032U Tubular turbine pump
12/16/1992CN2125031U Submersible pump
12/10/1992DE4118788A1 Electric pump for handling toxic substances - has sealed case between pump unit and motor to prevent leakage to atmosphere and flange case and split tube electromagnetic coupling
12/10/1992DE4118753A1 Impeller cut-in and cut-out mechanism for multistage pump - has piston with rod, carrier, springs and fluid guides, the piston having positive and/or flexible connection with carrier
12/09/1992EP0517278A1 Pot-shaped centrifugal pump
12/09/1992EP0482063A4 Radial drive for implantable centrifugal cardiac assist pump
12/09/1992CN2124333U Sleeve type high inlet pressure delivery pump
12/09/1992CN2124332U Integrated numerically controlled boiler water supply pump set
12/09/1992CN2124331U Domestic energy-saving heating circulating pump
12/09/1992CN2124330U 电磁泵 Electromagnetic pump
12/08/1992US5169243 Dynamic pressure bearing for an x-ray tube having a rotary anode
12/02/1992CN2123631U High delivery lift diving water pump