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| Number | Title | Issue Date |
| 7814935 | Vortex valve A coupling is provided preferably for a vortex valve for use on an outlet pipe in a sewerage system. The coupling comprises an outer component for insertion into a bore of a pipe, and an inner component which is inserted into the outer component, ramp means being pr... | 10/19/2010 |
| 7757715 | Accumulator and method of manufacturing flow damper An accumulator provided with a flow damper inside, the flow damper including a cylindrical vortex chamber, a small flow pipe connected to a peripheral portion of the vortex chamber along a tangential direction thereto, a large flow pipe connected to the peripheral p... | 07/20/2010 |
| 7267477 | Fluid blending utilizing either or both passive and active mixing Fluid blenders and blending methods are provided, the blending apparatus including components accommodating both passive and/or active mixing. The apparatus includes a main body and closure connectable to define a chamber having a fluid outlet. A valved fluid inlet ... | 09/11/2007 |
| 7234489 | Valve with vortex chamber and a mechanical member to shut off flow A valve assembly (10) comprises a vortex chamber (14) with an axial outlet port (20), a main inlet port (16) for a fluid to be controlled, and a substantially tangential inlet port (25); the fluid enters through an inlet chamber ( | 06/26/2007 |
| 7011101 | Valve system A valve system (10) controls the fluid flow between an inlet (12) and an outlet (14). The system (10) splits the flow into two parallel flow ducts (15, 16) and recombines the flows through opposed tangential inlets (18) and ... | 03/14/2006 |
| 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 |
| 6730236 | Method for separating liquids in a separation system having a flow coalescing apparatus and separation apparatus A flow conditioning apparatus, a separation system which includes the flow conditioning apparatus and cooperating downstream separation equipment, and a method of using the system are described. The system separates liquid components of differing densities from a fl... | 05/04/2004 |
| 6402820 | Fluidic 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 |
| 6374858 | Vortex valves A vortex valve flow control includes a housing defining a vortex chamber having an inlet for introducing a liquid into the vortex chamber in a manner to promote swirl and an outlet in one axial end of the vortex chamber. The peripheral wall of the of the ... | 04/23/2002 |
| 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 |
| 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 |
| 6065498 | Liquid flow control device A flow control device for providing variable resistance to liquid flow through a flow passageway. A cylindrical housing communicates with the passageway. The housing has a sidewall, and an inlet and an outlet each disposed at two ends. A vortex generator ... | 05/23/2000 |
| 6053206 | Device for controlling a liquid flow in a conduit system The device comprises a housing (1) with a curved side wall, said housing forming a vortex chamber and having an inlet opening (2) and an outlet opening (3), means (15) being provided at the inlet opening (2) for fastening a flow controlling element (7), a... | 04/25/2000 |
| 5971023 | Junction 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 |
| 5913334 | Apparatus for inducing pressure drop on flue gas exhaustion An integral, semi-integral, or modular apparatus for inducing pressure drop between upstream and downstream of the apparatus for exhaustion of flue gas as through the exhaust piping of a cyclone separator, smoke stack of boilers, or other exhaust piping i... | 06/22/1999 |
| 5640988 | Vortex valves A vortex valve (40) includes a housing defining a votex chamber(44), the housing having an inlet (46) through which liquid may enter the vortex chamber (44)in a manner to promote swirl within the vortex chamber (44) and an outlet (30) at one axial end of ... | 06/24/1997 |
| 5617896 | Valve having a closure member for creating flow turbulence in the valve A valve and method for adjusting the flow of a valve and for forming a turbulence in the flow. The flow is led tangentially from the inlet passage (2) into the space inside the valve body (1) in such a way that a turbulent flow is formed inside the valve ... | 04/08/1997 |
| 5455804 | Vortex chamber mud pulser A vortex chamber fluid pulser selectively produces pressure pulses in fluid flowing therethrough by the alternating insertion and retraction of a flow-disrupting tab into and out of an annular vortex chamber having an inlet and a pair of opposed axial out... | 10/03/1995 |
| 5311907 | Vortex diode jet A fluid transfer system that combines a vortex diode with a jet ejector to transfer liquid from one tank to a second tank by a gas pressurization method having no moving mechanical parts in the fluid system. The vortex diode is a device that has a high re... | 05/17/1994 |
| 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 |
| 5230389 | Fluidic oscillator drill bit A drilling bit having an irrigation system which uses an irrigating fluid. The bit comprises a hollow drill head 14 housing at least one fluidic oscillator 23, 23' which includes an accelerator nozzle 26, 26' supplied by said fluid and opening into a cavi... | 07/27/1993 |
| 5197517 | Valve devices A miniature non-return valve comprises a circular recess with an inlet at its center, an annular groove coaxial with the recess and communicating with the recess at a number of points within the groove, and an outlet duct communicating with the groove. Fl... | 03/30/1993 |
| 5080137 | Vortex flow regulators for storm sewer catch basins A vortex flow regulator used in sewer catch basins to prevent overflow of the system from storm water runoff and to standardize the production of regulators. The hollow body of these flow regulators within a given range of regulators by the present constr... | 01/14/1992 |
| 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 |
| 5052442 | Device for controlling fluid flow A vortex chamber valve for controlling fluid flow in a pipe system comprising a housing forming a vortex chamber having a curved sidewall, an inlet opening, and an outlet opening; an inlet valve disposed at an upstream side of the vortex chamber inlet ope... | 10/01/1991 |
| 5027919 | Fluid friction controller A fluid friction controller that includes an outer member having a first friction control surface and an inner member having a second friction control surface. The control surfaces coact to define an elongated orifice that diverges from its entrance towar... | 07/02/1991 |
| 4969481 | Method for transferring short fibers The present invention provides a method for transferring agglomerative short fibers such as natural fibers, ceramic fibers or metals, by means of a Coanda spiral flow produced by feeding a pressurized fluid. In this fluid-transfer, short fibers can be smo... | 11/13/1990 |
| 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 |
| 4889166 | Vortex valves There is provided a vortex-valve which comprises a housing defining a vortex chamber, a housing having an inlet through which liquid may enter the vortex chamber in manner to promote swirl within the vortex chamber and an outlet at one axial end of the vo... | 12/26/1989 |
| 4887628 | Fluidic apparatus A vortex amplifier functions as a choke valve to control flow in a flow line from, for example, a gas or oil well. The vortex amplifier is arranged in the flow line such that flow passes radially through the vortex amplifier to emerge at an axial port. A ... | 12/19/1989 |
| 4867041 | Vortex amplifier driven actuator spool A hollow cylindrical amplifier driven actuator spool has first and second vortex chambers divided by an internal piston. A shaft is attached to the pistion and extends out the cylinder. Fluid logic controls the fluid flow in the vortex chambers so that th... | 09/19/1989 |
| 4846224 | Vortex generator for flow control Fluidics flow control of a multiphase supply using a cylindrical chamber is achieved by introducing the supply flow radially into the chamber. The supply flow exits through a port in the center at the chamber. A control fluid is then introduced tangential... | 07/11/1989 |
| 4834142 | Flow rate controller A flow rate controller including a braking chamber having an essentially centrally arranged outlet aperture and is adapted to receive, through a peripheral opening within the braking chamber, a liquid flow to be controlled, in order to brake the liquid by... | 05/30/1989 |
| 4819431 | Method of and system for controlling a fluidic valve A method of controlling the flow of gas emerging from the outlet of a fluidic vortex valve, the method comprising feeding a supply fluid to an inlet of the vortex chamber associated with the fluidic vortex valve whereby a supply gas flow is injected into ... | 04/11/1989 |
| 4817863 | Vortex valve flow controller in VAV systems In variable air volume systems of buildings, a vortex valve is used for varying the volume of the air moving through the system.... | 04/04/1989 |
| 4679595 | Device for controlling the flow in a pipe system In an eddy current brake for controlling quantitative flow in a water line and with a brake housing in the shape of lying frustum of a cone with an outlet opening in the narrow end and an inlet opening downwardly on the large end face there is disposed a ... | 07/14/1987 |
| 4632107 | High-frequency jet ventilator An opposing vortex oscillator is used to control the frequency and duty cycle of a high-frequency jet ventilator for trauma management in acute and uncontrolled situations where no power other than the pressure of the ventilation gas itself is available. ... | 12/30/1986 |
| 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 |
| 4422476 | Fluidic control devices A fluidic control device, in particular a vortex amplifier, comprises a casing having fluid inlet, outlet and control ports. A vortex chamber is formed within the casing by a plate which is spaced from a wall of the casing by members which each define a p... | 12/27/1983 |
| 4418721 | Fluidic valve and pulsing device A high capacity fluidic valve is disclosed which is useful for creating psure pulses in a drill string for communicating diagnostic information from the bottom of a well bore to the surface during drilling. The device of the present invention comprises e... | 12/06/1983 |
