Class 137/809 - Plural vortex generators

Subclass of Class 137 - Fluid handling
Definition: Device or system provided with two or more of said means
No. of patents: 32
Last issue date: 11/01/2011

Number	Title	Issue Date
8047233	Apparatus and method for generating vortexes in fluid flow adjacent to a surface An apparatus for generating vortexes in fluid flow generally adjacent to a surface includes: (a) at least one vortex generating element; and (b) a piezoelectric motor element coupled with the at least one vortex generating element. The piezoelectric motor element re...	11/01/2011
7331752	Method of conversion of continuous medium flow energy and device for conversion of continuous medium flow energy A device and method for conversion of the energy of medium flows are provided. The proposed device and method ensure suppression of the vortex streams in the flow on the leg of its motion along the radially converging trajectories and concentration of the flow energ...	02/19/2008
7290559	Check valve for a high-pressure pump of a fuel injection system for an internal combustion engine A check valve having a valve housing inserted into a receptacle in which housing a pistonlike valve member is guided longitudinally displaceably and cooperating with a valve seat on the valve housing. The valve member is urged in the closing direction by a prestress...	11/06/2007
7174917	Inlet piece for a liquid-injected compressor element Inlet piece for a liquid-injected compressor element, characterized in that it comprises a sleeve (8) which consists of a casing (11), a bottom wall (12) provided with an opening (13) and a top wall (14) which is entirely tight, a ...	02/13/2007
7111800	Fluid spray apparatus An improved spray head that is more effective and efficient at providing a wider range of desired spray distributions includes the following elements: (a) a plurality of fluidic oscillators, each oscillator having a fluidic circuit embedded in its top surface, with ...	09/26/2006
7055541	Method and mechanism for producing suction and periodic excitation flow A method and mechanism of producing a suction and periodic excitation flow. The method includes providing fluid flow from jet port with diameter dl at a controlled input pressure (Pin), directing the flow to a conduit with diameter d2, >d1, allowing additional fluid...	06/06/2006
7014131	Multiple spray devices for automotive and other applications A fluidic insert that receives fluid under pressure from a fluid inlet tube and generates a specified spatial distribution of the fluid exiting the insert includes: (1) a body member having top, bottom, front and rear outer surfaces, (2) top and bottom fluidic circu...	03/21/2006
6939450	Device having a flow channel A device having a flow channel, wherein at least one flow-terminating interface is used to control the flow of liquid in the flow channel. The flow-terminating interface prevents the flow of the liquid beyond the interface. In one aspect, the invention provides a se...	09/06/2005
6817375	Torsion generator The torsion generator includes casing (1), in which at least one canal (2) is formed, whose inlet is located near to the casing (1) periphery. The longitudinal axis of the canal (2) passes on the logarithmical curve, wherein the mathemati...	11/16/2004
6615507	Mixer for mixing gases and other newton liquids The invention provides a mixer for mixing gases and other Newton liquids, with a flow channel and built-in surfaces arranged in the flow channel that influence the flow. The built-in surfaces are vortex-generating surfaces with free surging leading edges ...	09/09/2003
6446710	Arrangement for cooling a flow-passage wall surrrounding a flow passage, having at least one rib element An arrangement for cooling a flow-passage wall surrounding a flow passage is described, having at least one rib element which induces flow vortices in a flow medium passing through the flow passage, is attached to that side of the flow-passage wall which ...	09/10/2002
6435214	Apparatus for reducing dissipation rate of fluid ejected into boundary layer A method and apparatus for ejecting a second fluid into the near-wall region of the boundary layer of a first fluid, so that the second fluid hugs the wall. This alone reduces drag by modifying the behavior of the near-wall structure, thereby reducing the...	08/20/2002
6319214	Valve-less fluid control circuit for rhythmic action devices A valve-less fluid control circuit for controlling rhythmic action devices, such as circulatory assist devices. The fluid control circuit has a plurality of pressure sensitive fluid oscillators for circulating a fluid. Each fluid oscillator includes a cap...	11/20/2001
6253782	Feedback-free fluidic oscillator and method A fluidic oscillator includes a member having an oscillation inducing chamber, at least one source of fluid under pressure, at least a pair of power nozzles connected to the at least one source of fluid under pressure for projecting at least a pair of flu...	07/03/2001
6237636	Apparatus for reducing dissipation rate of fluid ejected into boundary layer Skin friction reduction on a surface moving relative to a fluid can be obtained by ejecting a polymer-water mixture/solution into the boundary layer. The efficacy of the ejected polymer-water mixture/solution is closely related to polymer dissipation out ...	05/29/2001
6176676	Cooling system for a main body used in a gas stream Structure with elements includes a main body of the element used in gas stream and a plurality of fluid passage. Each outlet of the fluid passage is opened on surface of the main body. Coolant fluid flows from each outlet through the passage to cover the ...	01/23/2001
6164332	In-line magnetic water manufacturing apparatus An apparatus designed to manufacture a relatively large quantity of living water for a home or business. The apparatus includes a plurality of ampuls longitudinally aligned and connected together to enable the water delivered to the upper ampul to flow in...	12/26/2000
6092982	Cooling system for a main body used in a gas stream Structure with elements includes a main body of the element used in gas stream and a plurality of fluid passage. Each outlet of the fluid passage is opened on surface of the main body. Coolant fluid flows from each outlet through the passage to cover the ...	07/25/2000
6082387	Tornado generation method and apparatus A tornado generating method and apparatus in accordance with the present invention can generate a tornado without forming an enclosed space and forcedly generating a spiral flow therein, and an object of the present invention is to ensure a wide collectio...	07/04/2000
5651392	Static multi-stage fluid-speed multiplier Static assembly for increasing speed of a fluid jet. The assembly includes a series of fluid deflectors or obstacles, each having an edge over which the jet flows while accelerating. Respective surfaces connect the accelerated flow to the next successive ...	07/29/1997
5303782	Flow controlling device for a discharge system such as a drainage system The invention is directed to a flow controlling device for a discharge system, such as a drainage system, having a first vortex chamber with an inlet and an outlet and a second bigger vortex chamber with a peripheral inlet and a central outlet axial in re...	04/19/1994
5076327	Electro-fluid converter for controlling a fluid-operated adjusting member An electro-fluid converter for controlling a fluid actuating an adjusting element, such as a main control slider of a servo valve, comprises at least one displaceable throttle arranged in a fluid-rich circuit. The throttle has at least one throttle elemen...	12/31/1991
4995425	Magnetic fluid conditioner A magnetic fluid conditioner for abating the adherence of precipitates in conduits transmitting a variety of liquids and/or gases which contain unwanted compounds capable of adhering to the inner walls of the fluid transmitting conduits, the magnetic flui...	02/26/1991
4917151	Fluidic apparatus A vortex amplifier having a vortex chamber is included in a fluid flow line. A sensor in the fluid flow line upstream of the vortex chamber and operable in response to changes in the fluid flow controls a valve in a further flow line for introducing a con...	04/17/1990
4913814	Jet pump system for fluidic contactor cascade In apparatus for mixing and then separating different flow streams, such as solvent extraction apparatus, a cascade of contactors and jet pumps are arranged in counter-current flow mode. The same one flow stream is applied to the drive port of each jet pu...	04/03/1990
4611615	Fluid treatment apparatus and method A fluid treatment apparatus and method for preventing or removing the formation of paraffin, scale, salt encrustation, emulsion, and the like on the interior surface of a conduit carrying a fluid. The fluid treatment apparatus comprises a turbulent flow g...	09/16/1986
4557295	Fluidic mud pulse telemetry transmitter A fluidic pulsing device is disclosed which comprises at least one fluid lifier and several vortex valve restrictors. One or more amplifiers direct fluid flow to the several vortex valves, which are arranged in parallel fashion. Such an arrangement allow...	12/10/1985
4502575	Shock absorber A shock absorber has a piston which comprises upper and lower members. The upper and lower members are fixedly assembled to define therein the vortex chamber. The piston has vertically-extending channels on the periphery thereof to define the vertical sec...	03/05/1985
4413795	Fluidic thruster control and method A fluidic thruster control system and method for guided missiles and the like, which utilizes a fluidic jet interaction device for controlling a downstream fluidic vortex amplifier to modulate exhaust flow through thrust nozzles....	11/08/1983
4313470	Fluidic flow arrester For achieving a shut-off function, a mainstream communicates with a control stream into which an outlet for the mainstream opens laterally. By reciprocating the control stream back and forth across the outlet, for example by alternate pressurisation of re...	02/02/1982
4190078	Apparatus for converting of spin flow energy into pressure energy The present apparatus is constructed to convert or reconvert spin flow energy into pressure energy. For this purpose a conduit forms a chamber intermediate the ends of the conduit. The chamber and a flow control member operatively supported in the chamber...	02/26/1980
4184636	Fluidic oscillator and spray-forming output chamber A fluidic oscillator includes a chamber having a common inflow and outflow opening into which a jet is issued in a generally radial direction. After impinging upon the far chamber wall the jet is redirected to form a vortex on each side of the incoming je...	01/22/1980

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Class 137/809 - Plural vortex generators