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Class 137/811 - Vortex generator in interaction chamber of device


Subclass of Class 137 - Fluid handling
Definition: Device wherein said means is part of the common zone referred
No. of patents: 36
Last issue date: 04/08/2008


NumberTitleIssue Date
7354008Fluidic nozzle for trigger spray applications
A fluidic nozzle, for use with a trigger spray applicator that issues a desired spray pattern of fluid droplets, and wherein the applicator has a liquid delivering orifice and an exterior surface proximate the orifice that is configured to receive a spray nozzle, in...
04/08/2008
7267290Cold-performance fluidic oscillator
A fluidic oscillator suitable for use at colder temperatures for generating an exhaust flow in the form of an oscillating spray of fluid droplets has an inlet for pressurized fluid, a pair of power nozzles configured to accelerate the movement of the pressurized flu...
09/11/2007
7174917Inlet 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
7082955Axial input flow development chamber
A system for conveying fluid through a conduit that creates a strong laminar flow of the material surrounded by a boundary layer flow of the same or a different flowable material, such that long transport distances through dramatic elevation and directional changes ...
08/01/2006
7066207Flow development chamber
A system and method for conveying flowable material through a conduit that creates a strong laminar flow of the material surrounded by a boundary layer flow of the same or a different flowable material, such that long transport distances through dramatic elevation a...
06/27/2006
6988507Axial input flow development chamber
A system for conveying fluid through a conduit that creates a strong laminar flow of the material surrounded by a boundary layer flow of the same or a different flowable material, such that long transport distances through dramatic elevation and directional changes ...
01/24/2006
6817375Torsion 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
6659118Flow development chamber
A system and method for conveying flowable material through a conduit that creates a strong laminar flow of the material surrounded by a boundary layer flow of the same or a different flowable material, such that long transport distances through dramatic ...
12/09/2003
6536468Whirlpool reduction cap
A whirlpool reduction cap. The cap for redirecting fluid flow towards an exit port or drain in a vessel comprises a top solid surface area greater than or equal to the area of the exit port, a base connected to the exit port, a side wall positioned betwee...
03/25/2003
6450189Method and device for production of components for microfabrication
Atomized particles within a desired size range (e.g., 1 micron to about 5 microns) are produced from two immiscible fluids, a first fluid source containing the formulation to be atomized, and a second fluid source which is contained in a pressure chamber ...
09/17/2002
6435214Apparatus 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
6402820Fluidic level control systems
A system for separating a liquid and a gas including a separation vessel (30) with an inlet (28) for a gas/liquid mixture. Outlets (40, 42) for the fluids are disposed at different heights in the vessel. The outlets are controlled by turn-up vortex amplif...
06/11/2002
6253782Feedback-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
6237636Apparatus 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
6176676Cooling 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
6092982Cooling 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
6082387Tornado 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
5971301"Box" oscillator with slot interconnect
A low pressure fluidic oscillator having an oscillation chamber having a centerline, and a pair of mutually facing and complementary-shaped sidewalls, planar top and bottom walls, upstream end and downstream end walls. An input power nozzle is formed in t...
10/26/1999
5971023Junction for shear sensitive biological fluid paths
A biological fluid transport device comprises a cutwater at the junction of at least two blood flow paths. The cutwater is substantially straight, substantially vertical, or both. At least one of the fluid paths may be tubular, and in some embodiments all...
10/26/1999
5893383Fluidic Oscillator
A fluidic oscillator is disclosed for providing oscillating flow to outlet ports (172, 173). The fluid oscillator (100) in one embodiment has no fluid communication between a pair of diverging diffuser legs (163, 164) downstream of the upstream edge (169)...
04/13/1999
5651392Static 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
5303782Flow 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
5213270Low cost, low pressure fluidic oscillator which is free of feedback
A fluidic oscillator which is free of feedback passages has an oscillation chamber having a length greater than its width, a pair of mutually facing and complementarily-shaped sidewalls and planar top and bottom walls, and first and second end walls. An i...
05/25/1993
5181660Low cost, low pressure, feedback passage-free fluidic oscillator with stabilizer
A fluidic oscillator which is free of feedback passages has an oscillation chamber having a length greater than its width, a pair of mutually facing and complimentary-shaped sidewalls and planar top and bottom walls, and first and second end walls. Stabil...
01/26/1993
5165438Fluidic oscillator
In accordance with an illutrative embodiment of the present invention, a fluidic oscillator includes a transverse vacuum port which extends between the diffuser legs a predetermined distance below the leading edge surface of the splitter. When flow is dow...
11/24/1992
5145256Apparatus for treating effluents
An apparatus and method for treating effluents is disclosed for selective solids control and/or dewatering of effluents, for example drilling fluids (or mud), slurries or sludges, or other clean up involving solids removal from a hydraulic system where fl...
09/08/1992
5035361Fluid dispersal device and method
A fluid dispersal device utilizes alternately pulsating vortices to cyclically oscillate a fluid stream transversely of its flow direction in a desired flow pattern. A pair of pulsating fluid streams, which may issue from a fluidic oscillator are projecte...
07/30/1991
4947895Electromagnetic valve
An electromagnetic valve for use for discharge of molten metal from a container comprises a body (1) providing a discharge passage (2, 3) surrounded by an electrical induction coil (4), the passage having a first portion (2) adjacent the container having ...
08/14/1990
4827961High velocity fluid swivel joint coupling
A fluid swivel joint coupling has first and second body members pivotably connected together for pivoting about a swivel axis. The first body member includes an inlet portal, an outlet portal, a diverted fluid passageway opening into the outlet portal and...
05/09/1989
4805669Electromagnetic valve
An electromagnetic valve for use for discharge of molten metal from a container, comprises a main body providing a discharge passage through which, in use, molten metal will flow; and electrical induction coil located about the passage; means to supply an...
02/21/1989
4562867Fluid oscillator
There is disclosed a fluidic oscillator in which a stream of fluid is directed against a barrier member in an oscillation chamber. The barrier member serves as one wall of the oscillation chamber and in conjunction with other shaped wall surfaces of the o...
01/07/1986
4518013Pressure compensating water flow control devices
A pressure compensating, water flow control device in which the incoming water is split between first and second flow paths. The first flow path is in the form of a closed loop and the second flow path includes a vortex chamber. The outlet from the device...
05/21/1985
4422769Mixing apparatus for two flowing liquids
Mixing apparatus for two liquids such as cold and hot water having separate annular inlets (5, 6), spaced apart, for both of the liquids and provided with an external (7, 8, 9, 10) and internal (13, 14) guides for directing one liquid to the inlet (6) of ...
12/27/1983
4398664Fluid oscillator device and method
A pair of liquid flow passages are formed in a chamber and liquid flow through the passages is alternately blocked and unblocked by alternately pulsating vortices which causes alternate pulsations of fluid flow through the pairs of liquid flow passages....
08/16/1983
4260106Fluidic oscillator with resonant inertance and dynamic compliance circuit
The fluidic oscillator consists of a resonant fluid circuit having a fluid inertance and a dynamic fluid compliance. The inertance is a conduit interconnecting two locations of a chamber on each side of a working fluid jet issuing into one end of the cham...
04/07/1981
4003405Apparatus for regulating the flow rate of a fluid
An apparatus for regulating the flow rate of a fluid, comprising a casing having an annular or cone-shaped fluid passage, for radial flow (inwardly or outwardly) between an inlet and outlet which are spaced radially and form unobstructed flow paths to the...
01/18/1977
 
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