Patents
Patents for F04F 5 - Jet pumps, i.e. devices in which fluid flow is induced by pressure drop caused by velocity of another fluid flow (4,425)
10/2004
10/06/2004CN2646382Y Perforation and formation testing and flowing thribble working test oil equipment of jet injector
10/05/2004US6799435 Vapor compression refrigeration system
09/2004
09/30/2004WO2004083601A1 A system and process for pumping multiphase fluids
09/30/2004WO2004082353A2 Pneumatic suction device
09/30/2004US20040188868 Water-driven blower ventilation exhaust system
09/30/2004DE102004009966A1 Ejektorpumpe mit konisch zulaufender Düse und konisch zulaufender Nadel Ejector with tapered nozzle and tapered needle
09/29/2004CN1532471A Jet circulation system
09/29/2004CN1168905C Joint refrigeration type steam-jet vacuum pump
09/29/2004CN1168890C Hydraulic spray pump with sampler
09/28/2004US6796772 Ejector and negative-pressure supply apparatus using the same
09/23/2004US20040182570 Bore-hole-jet device for formation testing and a prestarting procedure for said device
09/23/2004US20040182363 Vacuum generator in combustion engine
09/22/2004CN2643048Y Field mounting type radio frequency water pump control box
09/16/2004WO2004079192A1 Vacuum device and vacuum pump
09/15/2004EP1457685A1 Jet pump
09/15/2004CN2641356Y Horizontal, anti-corrosion and water-jetting type vacuum machine set
09/15/2004CN2641355Y Low-rack vacuum pump anti-back flow of water type pipeline
09/14/2004US6789491 Friction reducing ship and method for reducing frictional resistance
09/09/2004US20040172966 Ejector with tapered nozzle and tapered needle
09/08/2004CN1527007A Sprayer with tapered nozzle and tapered needle
09/08/2004CN1165708C Torch type apparatus and fuel combustion method
09/07/2004US6786700 Vapor evacuation device
09/07/2004US6786228 Air circuit with air economizing and memory
08/2004
08/31/2004US6783334 Hydraulic pump reservoir having deaeration diffuser
08/31/2004US6783329 Regulating jet pump with two fluid seals, one opening at an intermediate inlet pressure and the other opening at a higher inlet pressure for increased flow through the pump
08/26/2004US20040166000 Wine must and pomace pump
08/25/2004CN1524034A Pump fluid pipe for an ejector pump and two methods for producing said pump fluid pipe
08/24/2004US6779985 Vacuum generating device
08/24/2004US6779360 Ejector having throttle variable nozzle and ejector cycle using the same
08/19/2004US20040159357 Separating arrangement for treatment of fluids
08/19/2004DE202004006923U1 Suction hose adaptor for vacuum source has additional pressure hose to increase fluid flow by circumferential jets
08/18/2004CN1162666C Jet circulating system
08/12/2004DE202004006369U1 Compressed air silo suction unit has movable and removable vacuum container equipped with two wheels on trolley fitted with hand shaft
08/11/2004CN2632367Y Pumped vacuum system of steam jetting pump
08/11/2004CN1161557C Feed water heating system for power generating plant
08/04/2004CN1160540C Injector for injector circulation system
07/2004
07/29/2004DE102004002021A1 Verbesserter Aufbau einer Strahlvakuumpumpe Improved construction of a vacuum pump
07/27/2004US6767191 Method of compressing gaseous hydrocarbon-containing medium
07/22/2004US20040141410 Fluid mover
07/21/2004EP1301367B1 Fuel delivery unit
07/21/2004CN1514912A Well jet device for well testing and developing and operating method for said well jet device
07/21/2004CN1514911A Well jet device for well testing and developing and operating method for said well jet device
07/21/2004CN1514138A Bottle neck water pump
07/15/2004US20040134663 Well jet device for well testing and development and operating method for said well jet device
07/15/2004US20040134653 Method and operation of a well jet device inkwell testing and development and the well jet device for carrying out said method
07/15/2004DE19834196B4 Speisewasser-Heizsystem für eine Dampfturbine Feed water heating system for a steam turbine
07/14/2004CN2625627Y Jet-flow pore-creating apparatus
07/08/2004WO2004057196A1 A pumping system
07/08/2004US20040129416 Well jet device for well testing and developing and the operating method for said well jet device
07/01/2004WO2004055384A1 Well jet device operating method and device for carrying out said method
07/01/2004WO2004055383A1 Operating method for a well pulse ejection pumping device and device for carrying out said method
07/01/2004WO2004055382A1 Operating method for a well jet device and device for carrying out said method
07/01/2004DE10255472B3 Ejector pump for producing vacuum for suction cup has compressed-air connection to Laval nozzle with air jet passing through suction chamber into mixing tube leading to eddy chamber
07/01/2004DE10250532B3 Treibgas betriebene Ejektoranordnung LPG powered ejector
06/2004
06/30/2004CN1508447A Environmental protection jet air-compressing pump
06/29/2004US6755207 Venturi based liquid transfer apparatus
06/16/2004CN1504736A Vacuum treatment generator
06/16/2004CN1504735A Testing scheme and method for jet flow type kitchen ventilator pure air quantity characterizing air performance
06/09/2004CN1503880A Ejector pump and a method for producing a nozzle for an ejector pump
06/09/2004CN1503868A Method for hydraulic subsea dredging
06/09/2004CN1153039C A method of regulating a steam injector
06/03/2004US20040105760 Ejector with gas propulsion
06/03/2004US20040104023 Double-cone device and pump
06/03/2004US20040103685 Ejector cycle system
06/02/2004CN1152191C Steam jet vacuum equipment
06/01/2004US6743636 Microfluid driving device
05/2004
05/27/2004US20040101416 Pump fluid pipe for an ejector pump and two methods for producing said pump fluid pipe
05/27/2004DE10244680B4 Verfahren zur Herstellung einer Fluideinheit A method of manufacturing a fluid unit
05/26/2004EP1420868A1 Fluid injector with vent/proportioner ports
05/26/2004CN1500185A Well jet device
05/26/2004CN1499158A Injector with throttle variable nozzle and injector circulation using such injector
05/25/2004CA2249248C Method and device at the pumping of a medium
05/20/2004US20040094848 Gas eductors and gas eductor flotation separators
05/19/2004CN1498303A Double-cone device and pump.
05/18/2004US6736603 Oil suction pump
05/13/2004WO2004040146A1 Well jet device operating method associated with hydrodynamic action performed on a well bore zone
05/13/2004US20040091366 Pneumatic driving device and the associated method for micro fluids
05/13/2004US20040091350 Fluidic actuation for improved diffuser performance
05/13/2004US20040089019 Ejector having throttle variable nozzle and ejector cycle using the same
05/13/2004DE10349283A1 Ejektor mit drosselungsvariabler Düse und Ejektorkreislauf unter Verwendung derselben Ejector with throttling variable nozzle and ejector using the same
05/06/2004WO2004038838A2 Fuel cell system
05/06/2004EP1144915B1 Burner-type apparatus and fuel combustion method
05/06/2004DE10009167B4 Luftspareinrichtung für eine Saugvorrichtung Air-saving device for a suction device
05/04/2004US6729852 Vacuum producing device
05/04/2004US6729851 Vacuum generating device
05/04/2004US6729158 Ejector decompression device with throttle controllable nozzle
05/04/2004US6729157 Air conditioner with ejector cycle system
04/2004
04/28/2004EP0934449B1 Aircraft fuel transfer pump with auxiliary fuel line scavenge pump
04/28/2004EP0920589B1 Pump for conveying a medium
04/22/2004WO2004033920A1 Jet pump
04/20/2004US6722855 Oil pumping device
04/15/2004US20040071557 Well jet device
04/15/2004DE202004001787U1 Düse für aufblasbare Gegenstände Nozzle for inflatable objects
04/15/2004DE10237050B3 Saugstrahlpumpe Eductor
04/14/2004CN2611656Y High power driving gas compression pump
04/14/2004CN2611655Y Jet pump
04/13/2004US6719536 Vacuum generator with power failure operation mode
04/08/2004WO2004012867A3 Gas eductors and gas educators flotation separators
04/08/2004US20040067142 Downhole jet unit for testing and completing wells
04/08/2004US20040067141 Downhole jet unit for testing and completing wells
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