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| Number | Title | Issue Date |
| 8172547 | Dielectric barrier discharge pump apparatus and method A dielectric element barrier discharge pump for accelerating a fluid flow. In one embodiment the pump has a first dielectric layer having a first electrode embedded therein and a second dielectric layer having a second electrode embedded therein. The first and secon... | 05/08/2012 |
| 7069728 | Multi-position BOV actuator A multi-position pressurized fluid actuator is mounted for movement in a casing. The actuator includes at least one selectively openable opening at a location corresponding to an intermediate position through which pressurized fluid can be selectively bled from the ... | 07/04/2006 |
| 7048514 | Downhole jet unit for testing and completing wells The invention relates to pumping engineering, mainly to downhole jet production units. The inventive downhole jet unit comprises a packer, a pipe column and a jet pump. An active nozzle and a mixing chamber are axially arranged in the body of the jet pump, and a pas... | 05/23/2006 |
| 7036656 | Vacuum belt conveyor for plates A conveyor 1 for holding glass plates 2 in position during grinding and drilling operations comprising one or more than one belt 3, 3′ 3″ having a rotating surface and a suction generator 6 for generating a vacuum on the surface. ... | 05/02/2006 |
| 6981490 | Fuel feed apparatus having sub tank and jet pump A fuel feed apparatus including a sub-tank is received in a fuel tank having multiple tank sections. Multiple jet pumps respectively transfers fuel received in the tank sections into the sub-tank. Therefore, even if a fuel amount received in a single tank section de... | 01/03/2006 |
| 6817837 | Jet pump with recirculating motive fluid A recirculating liquid jet pump for moving a wide variety of materials is described. The pump is preferably equipped with an intermediate collection reservoir enabling the placement of material to be suctioned into the collection reservoir without bringing together ... | 11/16/2004 |
| 6672069 | Method and device for increasing the pressure of a gas A method in which an air mass flow supplied to a compressor in a power plant is divided in a flow divider into a small partial flow and into a larger partial flow. The smaller partial flow is supplied to an ejector via an air cooler and a booster. The lar... | 01/06/2004 |
| 6619927 | Ejector pump An ejector pump for a delivery unit provided in a fuel tank of a motor vehicle has a nozzle produced integrally with a mixing tube. The mixing tube is shaped in the form of a tubular cylinder, so that virtually the entire ejector pump may be produced from... | 09/16/2003 |
| 6561769 | Filter and muffler for a vacuum pump Ejector type vacuum pump, comprising a rotationally symmetric ejector body (4) arranged in a house to be contained in a vacuum chamber (3) that extends axially and opens through a wall of the house, a dust filter (15) running concentrically about the ejec... | 05/13/2003 |
| 6488476 | Fuel feed unit In a fuel feed unit (3) for a motor vehicle, a suction jet pump (6) provided for filling a baffle (2) of a fuel tank (1) is manufactured in one piece with a holding part (4) for a fuel pump (5). The holding part (4) is of pot-shaped design for receiving t... | 12/03/2002 |
| 6457945 | Fuel feeding module for motor vehicle A fuel feeding module for a motor vehicle has a fuel supply tank, a storage container arranged in the fuel supply tank, a feeding aggregate arranged in the storage container and feeding fuel from the storage container to an internal combustion engine of t... | 10/01/2002 |
| 6168388 | Dual pump system in which the discharge of a first pump is used to power a second pump A system and method that permits fluids, such as petroleum, to be pumped from two separate zones. A submergible pumping system, including a submergible electric motor driving a submergible pump, is deployed in a wellbore. The submergible pump intake is lo... | 01/02/2001 |
| 6120254 | Jet pump for creating the vacuum conditions required for liquid product distillation The invention pertains to the field of fluidics and jet technology. The essence of the invention: is a vacuum-producing device composed of a liquid-gas jet apparatus, a separator and a pump, is furnished with a jet pump, so that the gas inlet of the liqui... | 09/19/2000 |
| 6106243 | Jet pump installation for creating a vacuum during distillation of a liquid The invention relates to the field of petrochemical industry. The essence of the invention: is a vacuum-producing device, comprising a liquid-gas jet apparatus, a separator and a pump, is furnished with a mixer. The gas inlet of the liquid-gas jet apparat... | 08/22/2000 |
| 6086334 | Method of operating a bi-turbojets polyphasic pump with axial thrust cancellation A pumping device providing direct energy exchange between a working fluid and a pumped fluid, comprising at least a first ejector propelling the working fluid in one direction and at least a second ejector propelling working fluid in a second direction. T... | 07/11/2000 |
| 6050781 | Method for collecting a substance An apparatus for collecting a substance has a fluid source providing pressurized fluid, a heating device, a heat transferring device and a vacuum producing device. The heating device is coupled to the fluid source and is adapted to cause a first pressuriz... | 04/18/2000 |
| 5927338 | Mixing eductor Disclosed is an improved mixing eductor (10) of the type wherein the primary liquid (17), e.g., water, is in a main stream (201) flowing in a downstream direction. A venturi tube (51) is in the eductor (10) and has an annular sharp edge (131) in the main ... | 07/27/1999 |
| 5896435 | Pressurized water supply device for a steam injector water source The injector (B) designed specifically to supply a steam generator (G) with water at high pressure when necessary, is supplied by steam that may originate from the generator itself, and by pressurized water from an ejector (C) supplied during the start up... | 04/20/1999 |
| 5839474 | Mix head eductor An eductor apparatus 20 includes a fluid inlet port 30 which directs fluid through an air gap 32 to an eductor 42. A rib 38 deflects any fluid which bounces off of the eductor 42 so that the fluid is retarded from exiting through an air gap port 34. The e... | 11/24/1998 |
| 5836745 | Fluid recovery apparatus and method using a motive force An apparatus for recovering fluid from a liquid formation includes a submersible pump for pumping fluid from the liquid formation. The submersible pump is coupled to an eductor defining a fluid member for receiving and transporting the fluid from the pump... | 11/17/1998 |
| 5788464 | Downhole suction process and devices The device and process for suction in a fluid medium are based on a special arrangement of a driver pump (2) and a jet pump (1) which preferably provide excellent suction with compact dimensions. The driver pump (2) supplies the fluid medium under pressur... | 08/04/1998 |
| 5593112 | Nacelle air pump for vector nozzles for aircraft The nacelle of the aircraft is purged and the sidewall of the vector nozzles of the gas turbine engine in the nacelle is cooled by utilizing the engine fan air to drive ejector pumps mounted in series flow relationship, a rectangular mixing zone and a dif... | 01/14/1997 |
| 5558503 | High-pressure cleaning device with bypass mechanism and pulsation dampeming In order to minimize the dimensions of the spring (22) and the pump motor in a high-pressure cleaning device comprising a high-pressure pump pumping cleaning liquid out of a suction line (1) into a pressure line (6) leading to a discharge device, a bypass... | 09/24/1996 |
| 5351875 | Mixing and dispensing device A mixing and dispensing device which selectively mixes liquids has two filling stations. Each filling station uses water pressure to siphon the liquids from their source container through the valves to an eductor to mix the chemicals with water and, then,... | 10/04/1994 |
| 5335734 | Reciprocating additive mixing pump apparatus and method A pump apparatus dispenses a liquid and additive mixture and has a pump cylinder with intake and discharge ports with associated valves. An additive supply communicates with the pump cylinder to supply additive with liquid drawn into the pump during an in... | 08/09/1994 |
| 5205377 | Method of and device for timed lubrication by means of a lubricant mist The lubricant mist is supplied in timed fashion to at least one nozzle (31, 36, 40, 45) associated with a lubrication station in the zone of movement of a moving part (32, 37, 41 and 34 respectively). The timed supply of the mist is effected in dependence... | 04/27/1993 |
| 5099648 | Hydraulic air compressor and turbine apparatus Hydraulic air compressor and turbine apparatus includes a hydraulic air compressor having an air intake disposed above the water intake for entraining air in falling water, and the output of the hydraulic air compressor is used as a compressed air source ... | 03/31/1992 |
| 5058807 | High volume, low pressure spraying system A high volume, low pressure air system for atomizing a fluid, such as paint, includes, among other things, a variable jet venturi induction pump which generates low pressure air for powering one or more atomizing devices, such as spray guns, with the inta... | 10/22/1991 |
| 5044557 | High volume, low pressure spraying system A high volume, low pressure air system for atomizing a fluid, such as paint, includes, among other things, a variable jet venturi induction pump located within a sealed low pressure air tank for holding a relatively large volume of low pressure air genera... | 09/03/1991 |
| 4991776 | High volume, low pressure spraying system A high volume, low pressure air system for atomizing a fluid, such as paint, includes, among other things, a variable jet venturi induction pump located within a sealed low pressure air tank for holding a relatively large volume of low pressure air genera... | 02/12/1991 |
| 4878816 | In-tank fuel reservoir with fuel vapor separation A fuel delivery system for automotive engine and like applications which comprises a canister for positioning within a fuel tank having a lower end with a fuel opening and an internal wall spaced from such lower end dividing the canister into upper and lo... | 11/07/1989 |
| 4878518 | In-tank fuel reservoir with fuel vapor separation A fuel delivery systems for automotive engine and like applications, which comprises a canister for positioning within a fuel tank having a lower end with a fuel opening and an internal wall spaced from such lower end dividing the canister into upper and ... | 11/07/1989 |
| 4867646 | Liquid evacuation system Liquid is removed from a remote location, with control of the system responsive to the supply of the liquid to be removed. Control is accomplished without the need for electrical devices at the remote location by means of a valve in the remote location in... | 09/19/1989 |
| 4861232 | Vacuum generating device A vacuum generating device for an ejector pump is provided. The vacuum generating device according to the present invention comprises an ejector pump mechanism having on one of the side surfaces thereof with an air intake port, air inlet port and exhaust ... | 08/29/1989 |
| 4850809 | Air operated low pressure spraying system Apparatus for converting high pressure, low volume air to low pressure, high volume filtered air in order to successfully atomize fluids, such as paint, of various viscosities. The invention makes it possible to utilize safe, economical compressor air to ... | 07/25/1989 |
| 4823550 | Rotary valve with jet pump aspirator Fluid flow control valves are provided having a jet pump or aspirator connected to a plurality of fluid passageways. Fluid flow from one of the passageways through the jet pump creates a partial vacuum enabling fluid flow to be drawn through the other of ... | 04/25/1989 |
| 4787824 | Rotating liquid ring vacuum pump A method of and apparatus for pumping fluids wherein a rotating ring of liquid traverses a hollow probe which has a surface aperture out of which the fluid to be pumped is sucked into the rotating liquid ring, wherein the fluid migrates to a collection re... | 11/29/1988 |
| 4736489 | Portable hand vacuum for picking up small metal particles A jet pump vacuum device for picking up debris includes an elongated tubular vacuum member having an input end and an output end and a high pressure air tube for discharging a jet of high pressure air into said elongated vacuum member at a point therein b... | 04/12/1988 |
| 4699754 | Jet pump-drive system for heat removal The invention does away with the necessity of moving parts such as a check valve in a nuclear reactor cooling system. Instead, a jet pump, in combination with a TEMP, is employed to assure safe cooling of a nuclear reactor after shutdown. A main flow exis... | 10/13/1987 |
| 4626176 | Pump employing the suction effect of a rotating liquid ring A fluid pump having an outer cylindrical housing (10) rotating relative to an inner hub (44) from which radially projects a probe (52) apertured in its external surface to be exposed to the flow therepast of an annulus of operational liquid (14) constrain... | 12/02/1986 |
