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