Class 417/163 - Successive introduction of motive fluid

Subclass of Class 417 - Pumps
Definition: Apparatus in which a first stream of motive fluid acts to
No. of patents: 20
Last issue date: 01/24/2012

Number	Title	Issue Date
8100671	Tandem supersonic ejectors for the repressurization of an off gas Low pressure off gases such as from dry gas seals may be recompressed to a higher pressure using multiple tandem supersonic ejectors in which upstream ejectors operate at a higher nozzle exit Mach number than down stream ejectors and all ejectors are operated at exi...	01/24/2012
7163618	Multi-inlet port manifold for a medical waste receiver having an elevated filter element and tethered inlet port caps A filter system especially useful in the treatment of waste material, in particular liquid waste material which may include particulate matter therein. The filter system includes a series of filters of progressively finer porosity in order to selectively eliminate p...	01/16/2007
7163161	Nozzle for thinning of phosphine The present invention relates to a nozzle for thinning of phosphine (chemical formula PH3), which is consisting in a tube-like air-inducing, a ring-like mounted split (ring split) and/or in at least one lateral mounted little tube as PH3-induci...	01/16/2007
6994527	Process and a device for transport of gas The present invention provides a process and a device for transport of gas in a main duct with more than two branch ducts wherein the gas is guided through the branch ducts (1, 2, 3, 4, 5, 6, 7, 8) and into the main duct (A) with a direction which is parallel...	02/07/2006
6767192	Vapor jet pump with ejector stage in foreline A vapor jet vacuum pump includes a housing having an inlet port and a foreline conduit, a vapor jet assembly within the housing, a vapor source for supplying a vapor to the vapor jet assembly, and at least one ejector stage. The ejector stage includes an ejector noz...	07/27/2004
6682311	Pneumatic driving device for micro fluids wherein fluid pumping is governed by the control of the flow and direction of incident plural gas streams A pneumatic driving device and the associated method for micro fluids, wherein the pneumatic driving device for micro fluids is constructed by connecting a fluid pipe with a structure that is formed by two gas stream inlets, a gas stream fender, a gas str...	01/27/2004
6042340	Radially 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
5839884	Supersonic jet pump device with two drive nozzles A supersonic device including an elongated mixer-diffuser housing having first and second drive nozzles arranged axially and tandemly therein. The first and second drives nozzles are arranged in first and second cylinder parts, respectively, of the mixer-...	11/24/1998
5527162	Suction apparatus, operated by compressed air, for drawing off dust-laden gases An apparatus for drawing off dust-laden gases, especially in the art of dental technique, has a ring channel (15) which can be loaded with compressed air. The airstream which is provided by a compressed-air nozzle (26) performs an arcuate movement in the ...	06/18/1996
5173030	Jet pipe A jet pipe comprises a housing having a suction inlet for the medium to be taken in and an outlet, a conical tubular portion following the suction inlet towards the outlet and a section adjacent to the suction inlet provided with discharge openings arrang...	12/22/1992
5074759	Fluid 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
4881875	Boundary 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
4815942	Axially-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
4749336	Induced rotation ejector A process and device for compressing a fluid by releasing a working fluid that includes an initial pocket wherein the working fluid circulates, a second pocket in which the fluid to be compressed circulates, a third pocket wherein the mixture of the worki...	06/07/1988
4573877	Apparatus for elevating liquids including a pair of Venturi pipes having wind as motive fluid An arrangement for elevating liquids with the aid of wind has an upper delivery pipe with an upper end connected to a pumping-out device, a lower supply pipe introducable into a water source and having an upper end connected with a constriction of a Ventu...	03/04/1986
4487553	Jet pump A Jet pump for transporting fluid by drawing in the fluid through utilization of a jet stream under high pressure includes a path for transporting the fluid, a plurality of nozzles surrounding the path for supplying high pressure fluid and a plurality of ...	12/11/1984
4184417	Plume elimination mechanism A discharge apparatus for dispersing exhaust gases discharged into the atmosphere and eliminating the steam plume, is disclosed. A plurality of conical diffusing elements are supported in spaced nested relationship along the discharge axis of the exhaust ...	01/22/1980
4158528	Gas-operated vacuum transducer There is disclosed a unitary vacuum transducer or pump capable of obtaining a high degree of vacuum using standard shop compressed air fed to a single inlet in the transducer from a single source of compressed air, each venturi tube having compressed air ...	06/19/1979
4029299	Multi-stage solution proportioner dispenser A low cost liquid proportioning and mixing device of high accuracy dispensing a solution or mixture involving volume, pressure and flow rates and including a multi-stage jet proportioning and mixing device in which any variation occurring in the designed ...	06/14/1977
4028009	Jet pump Two circular rows of through channels in the walls of the pump mixing chamber serve to admit the conveying fluid into said chamber. The axes of the channels in one row are inclined to the cross-sectional plane of the mixing chamber and to the plane passin...	06/07/1977

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Class 417/163 - Successive introduction of motive fluid