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)
01/1989
01/11/1989CN2030670U Jet pump
01/10/1989US4797563 Power plant
01/04/1989EP0297550A1 Jet pump
12/1988
12/28/1988EP0296917A1 Device for continuously circulating a liquid in order to sample or to check this liquid
12/22/1988DE3718971A1 Jet nozzle with a section containing swirl vanes
12/20/1988US4792284 Device for creating and exploiting a pressure difference and the technical application thereof
12/20/1988US4792282 Liquid pump
12/13/1988US4790376 Downhole jet pump
12/06/1988CA1246124A1 Powder pump having suction tube deflector
12/01/1988WO1988009439A1 Variable volume ejector with motive fluid pulser
11/1988
11/30/1988CN88211211U Mixing pump for metering water-power
11/29/1988US4787824 Rotating liquid ring vacuum pump
11/22/1988CA1245251A1 Venturi powder pump having rotating diffuser
11/17/1988WO1988008884A1 Ejector apparatus of fluidized bed heat-treating furnace
11/08/1988CA1244283A1 Eddy pump
11/01/1988US4781537 Variable flow rate system for hydrokinetic amplifier
11/01/1988CA1243848A1 Gas compressor for jet engine
10/1988
10/12/1988CN87208352U Multi-purpose vaccum pump for circulating water
09/1988
09/27/1988US4773827 Liquid heating apparatus with temperature control system
09/14/1988EP0282061A2 Variable flow rate system for hydrokinetic amplifier
08/1988
08/25/1988DE3704935A1 Method and equipment for utilising the geothermal energy contained in a thermal well
08/16/1988US4764058 Method of removing waste from a sewing machine
08/09/1988US4762467 Method for controlling the pressure ratio of a jet pump
07/1988
07/26/1988US4759691 Compressed air driven vacuum pump assembly
06/1988
06/28/1988US4753577 Fluid powered retrievable downhole pump
06/22/1988EP0272010A2 A device for ejecting granular or particulate material
06/15/1988EP0271258A2 A device for ejecting granular or particulate material
06/07/1988US4749336 Induced rotation ejector
05/1988
05/19/1988WO1988002087A3 Continuous steam generator and steam recovery unit
05/17/1988USRE32669 Energy amplifier apparatus
05/17/1988US4744730 Downhole jet pump with multiple nozzles axially aligned with venturi for producing fluid from boreholes
05/11/1988DE3637624A1 Venturi tube system
03/1988
03/24/1988WO1988002087A2 Continuous steam generator and steam recovery unit
03/17/1988DE3636689A1 Flow-type steam generator and steam recuperator
03/16/1988CN87200048U Steam-jet vacuum pump without condenser
03/10/1988DE3630546A1 Instantaneous steam generator and steam recuperator
03/02/1988EP0257945A2 Vacuum pump
03/02/1988EP0257834A1 Jet pump
02/1988
02/23/1988US4726526 Automatic aspirator-transfer valve, and a jet washing apparatus comprising such a valve
02/23/1988US4726420 Oil well pumping system
02/17/1988CN87105403A 射流泵 Jet Pump
02/16/1988US4725201 Automatic starting system for hydrokinetic amplifier
02/09/1988US4723890 Articulated jet pump, usable more particularly in TFL technique for activating hydrocarbon or water producing wells
02/02/1988US4722670 Aquarium pump and cleaning system
01/1988
01/26/1988US4721126 Method of generating spiral fluid flow and the device therefor
01/20/1988EP0253689A1 Ejector using induced rotation
01/12/1988US4718870 Marine propulsion system
01/12/1988US4718835 Mining apparatus and jet pump therefor
01/12/1988US4718486 Portable jet pump system with pump lowered down hole and raised with coiled pipe and return line
01/12/1988CA1231301A1 Method for producing heavy, viscous crude oil
12/1987
12/10/1987DE3618601A1 Jet pump
11/1987
11/11/1987CN86103075A Down hole reverse up flow jet pump
11/04/1987EP0244336A2 Fluid dynamic pump
10/1987
10/27/1987US4702676 Liquid driven pump or propulsive apparatus
10/20/1987US4701108 Variable volume ejector with motive fluid pulser
09/1987
09/29/1987US4696625 Ejector and method of fabrication
09/15/1987CA1226877A1 Pressure activated vacuum pump
08/1987
08/19/1987EP0232391A1 Device for creating and exploiting a pressure difference and a technical application thereof.
08/12/1987CN86203136U Wind-driven self-sucking drawing water unit
07/1987
07/14/1987CA1224095A1 Hydrokinetic amplifier
07/07/1987US4678428 Multistage fuel burner having a helically rising column of air-fuel mixture
07/01/1987EP0226976A1 Method to regulate the pressure proportion of a jet pump
06/1987
06/16/1987US4673335 Gas compression with hydrokinetic amplifier
05/1987
05/27/1987CN86207978U Fluid jet vacuvm pump
05/12/1987US4664603 Petroleum recovery jet pump pumping system
04/1987
04/30/1987DE3636235A1 Nozzle arrangement for generating a directed flow
04/29/1987EP0220082A1 Entrainment pumps, particularly for mixing and spraying two fluids
04/16/1987DE3534723A1 Method and device for conveying a liquid
04/07/1987US4655692 Ejector pump having pressure operated motive fluid valve and electromagnetic change-over valve
03/1987
03/26/1987WO1987001770A1 Process and device for creating and exploiting a pressure differential and its technical application thereof
02/1987
02/24/1987US4644746 Gas compressor for jet engine
01/1987
01/07/1987EP0207501A2 An automatic aspirator-transfer valve, and a jet washing apparatus comprising such a valve
01/07/1987CN85104859A Improved pump
01/06/1987US4634050 Fanless air aspiration snowmaking apparatus
12/1986
12/30/1986US4632678 Nozzle connected to pressurized oxygen supplying creating suction
12/30/1986US4632649 Gas jet pump
12/30/1986EP0206630A2 Improved venturi powder pump having rotating diffuser
12/30/1986EP0206224A2 Device for the pneumatic application of a hardenable building material hydromechanically transported in a highly viscous flow, particularly of a hydraulically injected concrete or mortar
12/17/1986EP0201397A1 Articulated-jet pump, especially used in the TFL technique to activate wells producing oil or water
12/09/1986US4627792 Rotating flow pump with a feed pump unit formed as an ejector
11/1986
11/18/1986US4623301 Overflow check system
11/05/1986EP0110989B1 Shipboard ice lubrication system and jet pump for use therein
10/1986
10/22/1986CN85204895U Jet pump with spinning velocity-sharing nozzle
10/08/1986EP0196764A1 Mining apparatus and jet pump therefor
10/07/1986US4615649 Powder pump having suction tube deflector
09/1986
09/23/1986US4613284 Apparatus for elevating liquids including a Venturi pipe and a liquid delay element
09/09/1986CA1211000A1 Shipboard ice lubrication system and jet pump for use therein
09/02/1986US4609328 Method and apparatus for total energy systems
09/02/1986US4608945 Apparatus for recirculating boiler fluid
08/1986
08/19/1986US4606703 Fluidic pumping systems with control means responsive to liquid level
08/12/1986US4605069 Method for producing heavy, viscous crude oil
08/06/1986EP0189709A1 Pneumatic powder injector
08/05/1986US4603735 Down the hole reverse up flow jet pump
07/1986
07/30/1986CN85200097U Three and two stage water air-off pump with triple air-intake
07/23/1986CN85109727A Spraying apparatus for discharge of powder by pressed air
07/15/1986US4600363 Ejector pump having an electromagnetic motive fluid valve
07/15/1986CA1207591A1 Water powered sump pump
07/01/1986US4597716 Air activated vacuum pump
06/1986
06/25/1986CN85200914U Self-movable jet oxygen-supplying machine for fishpond
06/24/1986US4596511 Eddy pump
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