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Class 417/197 - Peripheral motive fluid supply


Subclass of Class 417 - Pumps
Definition: Apparatus in which the motive fluid is supplied as an annular
No. of patents: 63
Last issue date: 12/09/2008


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NumberTitleIssue Date
7462016Fish pump
An improved liquid pump for transporting live fish or other products in an induced flow has secondary line with one end to be placed in a pool of liquid containing fish or other products. The other end of the line is connected to a housing having an internal pump ch...
12/09/2008
7389941Nozzle device and method for forming cryogenic composite fluid spray
The present invention includes a nozzle device and method for forming a composite fluid. The nozzle device generally comprises a nozzle portion connected to a main body. The main body includes an inner axial bore extending therethrough. An annular wall extends radia...
06/24/2008
7147058Method of and system for production of hydrocarbons
For production of hydrocarbons with high and medium gas-oil ratio from a well with a wellhead and a bottomhole communicating with a formation, and with a casing and a tubing located inside the casing and forming a space therebetween, steps are performed and means ar...
12/12/2006
7114572System and method for offshore production with well control
A system and method is provided for artificially lifting fluids from a formation. The system utilizes a production control unit having a jet pump assembly and valving to both lift the desired fluids and to provide well control. ...
10/03/2006
6938841Pressure compensating orifice for control of nitrous oxide delivery
This invention is a variable orifice for controlling the mass flow rate of nitrous oxide used as an engine oxidizer, this orifice having an effective size, or area, which changes with changes in the nitrous oxide pressure applied to it. Several design parameters can...
09/06/2005
6935845Plurality of vacuum generation units
A plurality of vacuum producing units capable of being employed together or independently of each other, each have a housing. The housing is internally provided with at least one ejector receiving means fitted with an ejector insert. The housings have the same trans...
08/30/2005
6547532Annular suction valve
An annular suction valve includes a substantially tubular member having an inner surface defining a valve flow passage having an inlet, a nozzle disposed in the inlet and spaced from the inner surface so as to define an annular passage between the inner s...
04/15/2003
6283386Kinetic spray coating apparatus
An apparatus is disclosed for kinetic spray coating of substrate surfaces by impingement of air or gas entrained powders of small particles in a range up to at least 106 microns accelerated to supersonic velocity in a spray nozzle. Preferably powders of m...
09/04/2001
6240911Air amplifier for nitrous oxide injection application
An air amplifier and method and system for using a source of compressed oxygen enhancer, such as nitrous oxide, to increase air flow into an internal combustion engine, providing increased power gain for the engine over the power gain provided by the addi...
06/05/2001
6116858Jet finishing machine, jet finishing system using two-phase jet finishing method
A jet finishing machine comprises: a water nozzle (1) for spouting a water jet flow of water in a liquid phase; a steam nozzle (3) for increasing the speed of a steam flow (4) in a gas phase to an ultrasonic speed to produce a steam jet flow (11) and for ...
09/12/2000
6042340Radially inclined passages for increased mixing in a fluid handling device
An fluid handling device (10) having an elongate tubular body which defines a through bore (20) between an inlet end (13) and an outlet end (14) of the body. The device also includes first and second annular chambers (30,38), each of which extends substan...
03/28/2000
5954481Jet pump
A jet pump includes a sucking jet pump with a flow duct having a decreasing cross section and a suction pipe insert which is inserted therein, a bypass arrangement and a valve arrangement, which form a construction unit, where the sucking jet pump has a n...
09/21/1999
5864919Power leaf bagger
A lawn maintenance apparatus for the collection of leaves, lawn debris or particulate matter, the apparatus comprised of a fixed tubular duct member having an ingress opening and an egress opening, an annular collar proximate to the ingress opening and in...
02/02/1999
5794447Rankine cycle boiler feed via hydrokinetic amplifier
A hydrokinetic amplifier can pump and heat condensate returned to a boiler in a Rankine cycle system by receiving vapors at different pressures that are directed into merger with a condensate stream that is accelerated through merging regions. By properly...
08/18/1998
5746583Vacuum boost device
A vacuum boost device is connected in line with a vacuum suction line. The boost device includes a housing connected in said vacuum line and an inlet through which air of a liquid is directed to enter into the vacuum stream to assist in the vacuum and to ...
05/05/1998
5694989Apparatus for establishing negative air pressure in a fluid-containing tank
A nozzle for attachment to a fluid-containing tank which is capable of applying negative air pressure to and establishing negative air pressure within the interior of the tank by forcing compressed air flow through the nozzle is provided by the present in...
12/09/1997
5556259Vortex generating fluid injector assembly
A fluid injector assembly for drawing a first fluid into the flow of a second fluid. The injector assembly includes an eductor including an inlet having a plurality of openings, a first outlet port, and a first fluid passage extending between the inlet an...
09/17/1996
5429156Pneumatic transmission apparatus
A spiral flow connector imparts a spiral flow of air to urge parts being transmitted toward a central axis to avoid contact with the walls of the transmission passages of a pneumatic transmission apparatus. The invention is especially useful for preventin...
07/04/1995
5417550Submersed jet pump for generating a stream of water
An apparatus for generating a stream in a body of water has at least one cylinder installed under water, and a water-jet pump housed in the cylinder. The pump draws water in through one end of the cylinder and produces a stream of water accelerated by a d...
05/23/1995
5394694Automatic transmissions using compact hydrodynamic torque converters
A three element, three phase hydrodynamic torque converter having improved structural and hydrodynamic characteristics, and automatic transmissions that use a plurality of such hydrodynamic torque converters as replacements for multiple disc wet clutches ...
03/07/1995
5374163Down hole pump
A down-hole pump provides positive displacement pump action within a production string of a producing well. The insert pump of the present invention fits within a crossover nipple that is adapted to fit on the end of a production string. The pump seals wi...
12/20/1994
5360144Dispensing means for simultaneously dispensing two liquids
Dispenser for dispensing simultaneously two liquids held in respective flexible containers, one within the other. Concentric tubular passages are provided for flows of the liquids from their containers when pressure is applied to the outer container. The ...
11/01/1994
5347103Convection furnace using shimmed gas amplifier
A convection furnace using a shimmed gas amplifier to provide a flow of gas over a heating element is disclosed. The heating element is mounted in a substantially leak proof, pressurizable heating chamber. A gas amplifier in an upper plate of the chamber ...
09/13/1994
5117531Suction or blowing apparatus
A suction or blowing apparatus and/or pneumatic conveying apparatus for different types of dust and bulk material. The apparatus includes two tubes arranged one within the other, wherein propellant air is admitted to the inner tube. To increase the suctio...
06/02/1992
5074759Fluid dynamic pump
This invention relates generally to pumps, and more particularly, to a new concept in pumps where the principle of operation is based on the change in momentum of a curved, fluid jet curtain, with the pump itself containing no moving parts....
12/24/1991
5018946Fluid pump apparatus
A liquid pump for conveying sensitive materials from a first to a second location through a main duct. The pump has a first segment through which secondary liquid flows with the materials. An inlet orifice receiving primary liquid from a plenum has a conv...
05/28/1991
4881875Boundary layer control in supersonic nozzle
A jet pump is provided for pumping a secondary fluid through a duct by injecting a primary fluid into the duct in the form of sheet-like jets lying in a plane parallel to the direction of flow of secondary fluid through the duct....
11/21/1989
4847043Steam-assisted jet pump
An improved liquid jet pump for water is described in which the water issuing from the jet pump drive nozzle passes into a nozzle mixing chamber where steam is introduced to nozzle outflow. This steam, traveling in the same direction as and converging upo...
07/11/1989
4815942Axially-symmetric, jet-diffuser ejector
An axially symmetric jet difuser ejector having attached primary injection nozzles without protruding outside the ejecting structure and being spaced around the ejector inlet. The primary nozzles have been specially designed to optimize the conveyance of ...
03/28/1989
4781537Variable flow rate system for hydrokinetic amplifier
A hydrokinetic amplifier 10 having a primary liquid input formed into a primary liquid jet surrounded by a motivating vapor that transfers vapor momentum to the primary liquid jet and accelerates the primary liquid jet through a minimum cross-sectional ar...
11/01/1988
4776779Fluid motor or pump
A rotodynamic fluid machine comprising a plurality of separate coaxial cylindrical chambers in each of which a drive rotor is positioned. The drive rotors mesh with corresponding sealing rotors and have blades that are curved in such a manner so that if t...
10/11/1988
4773827Liquid heating apparatus with temperature control system
A liquid heating apparatus capable of using low pressure steam and having a temperature control system to automatically control the output temperature of a heated liquid. The apparatus includes a tubular housing having an internal annular seal, and a liqu...
09/27/1988
4765373Gas flow amplifier
A gas flow amplifier has a housing defining an axially extending cylindrical chamber. A hollow truncated conical diffuser diverges outwardly from one end of the chamber, and a high pressure primary gas is introduced into the chamber at its opposite end in...
08/23/1988
4725201Automatic starting system for hydrokinetic amplifier
Automatic starting of a hydrokinetic amplifier 10 is accomplished by: an overflow pilot valve 32 responsive to output pressure for opening an overflow line 30 when output pressure drops below a predetermined level; and a start-up pilot valve 36 responsive...
02/16/1988
4725203Liquid-gas ejector device and method used to produce a diphasic flow
A method for producing a flow of fluid comprised of at least phases from at least two primary flowing fluids, one of which has at least one liquid phase, and the other at least one gaseous phase, wherein the two primary fluids flow out respectively throug...
02/16/1988
4721126Method of generating spiral fluid flow and the device therefor
A spiral fluid flow is available for conveying, drying or separating pulverulent substances particle substances, slurries or gases. To obtain a high speed stable spiral fluid flow, there is used a device provided with a slit formed between a main conical ...
01/26/1988
4718835Mining apparatus and jet pump therefor
This disclosure relates to deep sea mining apparatus, comprising a relatively straight lift pipe, the lift pipe being adapted to extend substantially vertically from the floor of a body of water upwardly to a ship on the surface of the water. A plurality ...
01/12/1988
4702676Liquid driven pump or propulsive apparatus
The apparatus relates to a jet pump or apparatus which displaces a main fluid by a pressurized driving liquid. The apparatus has a duct to receive the main fluid, and a driving liquid manifold cooperating with the duct to receive the pressurized driving l...
10/27/1987
4679601Method and an apparatus for accelerating air or gas exchange
In a method of, and an apparatus for accelerating air or gas exchange during cyclical operation of a pressure chamber with the aid of a pumping device connected to the pressure chamber, and with the aid of a compressor for at least partially compressing t...
07/14/1987
4673335Gas compression with hydrokinetic amplifier
A hydrokinetic amplifier 10 that combines a liquid and vapor to produce an amplified liquid output pressure is used for compressing or liquifying gas by admitting gas to be compressed into a region where the liquid and vapor are in contact and the vapor i...
06/16/1987
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