Patents for F04D 13 - Pumping installations or systems (12,375)
01/1994
01/11/1994US5277543 Device for monitoring abrasion loss of a thrust bearing in a submerged motor pump
01/05/1994CN2152102Y Submersible water pump spray and oxygen increase machine
01/05/1994CN2152101Y Water pump connected with bicycle
01/05/1994CN1080366A Anticorrosion submerged pump
01/04/1994US5275538 Coolant pump system for an automotive vehicle
01/04/1994US5275238 For use in a fluid production line
12/1993
12/29/1993CN2151283Y Underwater pump
12/29/1993CN2151282Y Underwater pump with hydrophobic motor
12/29/1993CN2151281Y Electric hand-holding pump on water surface
12/29/1993CN1080031A Spiral pressure transporting pump
12/28/1993US5273404 Tubular shaft motor and pump assembly
12/23/1993DE4315448A1 Peripheral wheel or turbine pump - has flow feed path using centrifugal impeller components and guide elements.
12/23/1993DE4236217C1 Tauchmotoraggregat Submersible motor unit
12/22/1993CN2150366Y AC/DC two-purpose portable pump for liquid
12/21/1993US5271725 System for pumping fluids from horizontal wells
12/15/1993CN2149500Y Corrosion-resistant submerged pump
12/14/1993US5269664 Magnetically coupled centrifugal pump
12/14/1993US5269663 Electric pump for the circulation of a liquid, for example in an internal-combustion engine
12/10/1993CA2075322A1 Screw type water flow generating apparatus
12/08/1993CN2148838Y Liquid pump
12/07/1993US5267830 Pump for abrasive materials
12/01/1993CN2148202Y Connector for two-stage water-raising submersible pump
12/01/1993CN2148201Y Combined Y pumping system
12/01/1993CN1079032A Sleeve high inlet hydraulic transport pump
12/01/1993CN1079031A Sleeve water supply pump for high storied building
11/1993
11/25/1993DE4217142A1 Water-tight motor pump, especially immersion pump - uses standard motor encased in sheet metal sleeve with plug sealing shaft passage and cable lead-through cover
11/24/1993EP0570561A1 Hydrojet
11/24/1993CN2147377Y Welling device for submersible pump
11/18/1993DE4208829A1 Split sleeve electric pump - with intermediate housing fitted between electric drive motor housing and pump housing
11/17/1993CN2146588Y 可逆离心泵 Reversible centrifugal
11/11/1993DE4214848A1 Permanent magnet coupling for in=line shafts - has overlapping cups at shaft ends with permanent magnets in walls and roller bearing between them
11/10/1993EP0569306A1 Improvements to an electric motor and hydraulic pump using this motor
11/10/1993CN2145882Y Soft-shaft water pump
11/03/1993EP0567838A2 Neutralisation apparatus
11/03/1993EP0567688A1 Fluid conveying device, particularly a fan
11/02/1993US5257911 Windscreen washer pump provided with level sensing device
10/1993
10/28/1993WO1993020860A1 Pumping apparatus with fixed chamber impeller
10/28/1993DE4213184A1 Underwater pump for raising water via ascending tube - has sealed compartment to ensure pumping unit is always immersed when pump is idle
10/27/1993EP0566646A1 Improvements in thermoelectric refrigeration
10/26/1993US5256038 Canned motor pump
10/21/1993DE4212982A1 Fluid-cooled pump with magnetic clutch for hot liq. - has flow of coolant directed through outer magnet carrier to protect driving shaft bearings against overheating
10/20/1993EP0566089A1 Pump casing made of sheet metal
10/20/1993EP0566088A2 Bearing device for use in a canned motor
10/20/1993EP0566087A1 Pump casing made of sheet metal
10/20/1993CN1022504C Integrated centrifugal pump and motor
10/19/1993US5254011 Cable connecting and disconnecting apparatus for submerged pump
10/19/1993US5253986 Impeller-type pump system
10/12/1993CA2013132C Pump for and method of separating gas from a fluid to be pumped
10/12/1993CA1322893C Rotary pump
10/06/1993EP0563437A2 Arrangement for concentrically positioning a first-part relative to a second part, especially a sleeve on a shaft
10/05/1993US5250863 Motor and cooling means therefor
09/1993
09/29/1993CN1076765A Multipurpose asynchronous electrical motor centrifugal pump
09/28/1993US5248940 Apparatus for measuring changes in radial and/or axial position of a rotor in a drive system including an emf producing stationary conductor
09/28/1993US5248245 Magnetically coupled centrifugal pump with improved casting and lubrication
09/28/1993US5248223 Fuel pump with anti-reversion inlet
09/21/1993US5246336 Motor driven complex pump apparatus
09/16/1993DE4205926A1 Elektrische pumpe Electric pump
09/15/1993EP0560466A2 Centrifugal blood pump and motor drive
09/15/1993CN1076256A Multipurpose asynchronous motor axial-flow pump
09/02/1993WO1993017484A1 Electric pump
09/02/1993DE4213306C1 Water-tight cable entrance e.g. for immersion pump housing - has resilient seal clamped between inner and outer moulded parts providing radial sealing force between cable and pump housing
09/01/1993CN2141172Y Two-purpose machine for rice threshing and water lifting
08/1993
08/25/1993CN2140985Y Pipeless fixed submersible pump
08/25/1993CN2140984Y 液体抽取器 Liquid extractor
08/25/1993CN2140983Y Portable automatic liquid pump
08/25/1993CN2140982Y Flexible shaft mud pump for diesel engine
08/19/1993WO1993016284A1 Assembly for conveying a liquid medium, especially a heat carrier, in the cooling and heating circuit of a motor vehicle
08/19/1993DE4203482A1 Immersion centrifugal pump unit - has winding protection hoods forming holder for capacitor, with one hood extending over outer perimeter of winding
08/18/1993EP0555701A1 Centrifugal pump unit
08/18/1993EP0555700A1 Single-phase induction motor with starting device
08/18/1993EP0555621A1 Pump arrangement
08/12/1993DE4203381A1 Aggregat zum foerdern eines fluessigen mediums, insbesondere eines waermetraegers, in dem zu einem kraftfahrzeug gehoerenden kuehl-heizkreislauf Unit for conveying a liquid medium, especially a waermetraegers in which a motor vehicle gehoerenden cooler-heater circuit
08/11/1993EP0554803A1 Multistage centrifugal pump
08/10/1993US5234316 Filtering device for a canned motor
08/04/1993CN1074979A Miniature full-sealed corrosion-resistant plastic pump
08/03/1993US5232333 Single flow turbopump with integrated boosting
07/1993
07/28/1993CN2139185Y Submersible pump without discharging tube
07/22/1993WO1993014553A1 Reciprocating motor device
07/22/1993WO1993014450A1 Device for regulating the flow rate of a centrifugal pump in a closed network of pipes
07/22/1993WO1993014319A1 Pressure/recirculating pump
07/22/1993DE4201401A1 Displacement pump conveying fuel in motor vehicle - has drive motor installed into jar-shaped housing as complete prefabricated component of motor housing
07/22/1993DE4201100A1 Einrichtung zur regelung des foerderstroms einer kreiselpumpe in geschlossenem rohrnetz Means for control of foerderstroms a centrifugal pump in a closed pipe network
07/21/1993EP0551435A1 Integrated centrifugal pump and motor.
07/07/1993EP0549579A1 Rotary pump
07/06/1993US5224835 Shaft bearing wear detector
07/06/1993US5224817 Shunt flow turbopump with integrated boosting
07/06/1993CA2000346C Combination motor endshield and pump housing
06/1993
06/30/1993EP0438485B1 Bearing for the shaft of a canned motor pump
06/30/1993CN2137297Y Submersible pump cover
06/27/1993CA2085560A1 Combined boiler feed and condensate pump
06/24/1993WO1993011998A1 Hydrojet
06/17/1993DE4140961A1 Electrohydraulic unit for electro fuel pump for motor vehicle - has hydraulic line and current lead connected to one head coupled to connector to make hydraulic and electric connection
06/17/1993DE4140881A1 Wasserstrahlantrieb Water jet propulsion
06/15/1993US5219422 Washer pump provided with means for determining when the level of washer fluid is low
06/10/1993WO1993010915A1 A device for a high pressure nozzle
06/09/1993EP0438466B1 Filtering device for a canned motor pump
06/09/1993DE4240718A1 Clean pump with impeller in housing part, e.g. for medical instrument - has rotor fitted at one side of impeller with housing part in- between and two passive magnetic bearings for radial support of impeller.
06/09/1993CN2135674Y Open type impeller beverage pump
06/02/1993EP0544610A1 Pre-filter for swimming pool installations
06/02/1993EP0543853A1 A system for simultaneously degassing and pumping a liquid