Spiral Guide Or Spiral Restrictor Patents (Class 251/126)
  • Patent number: 10253593
    Abstract: A valve assembly is provided, the valve assembly comprising a valve housing; an inlet for fluid entering the valve housing; an outlet for fluid leaving the valve housing; a flow control assembly disposed within the valve housing between the inlet and the outlet, whereby fluid entering the valve housing is caused to flow through the flow control assembly, the flow control assembly comprising a cage having apertures therethrough to provide passage for fluid passing from the inlet to the outlet; a closure assembly having a first closure member disposed within the cage and moveable with respect to the cage between a first closed position, in which the first closure member closes the innermost end of all of the apertures in the cage, and a second open position, in which the innermost end of all the apertures in the cage are open; and a second closure member disposed outside the cage and moveable with respect to the cage between a first closed position, in which the second closure member closes the outermost end of
    Type: Grant
    Filed: December 16, 2015
    Date of Patent: April 9, 2019
    Assignee: Cameron International Corporation
    Inventors: Hans Paul Hopper, Fergal Finn
  • Patent number: 9115824
    Abstract: A fluid control valve for high pressure surges, that has a controlled pressure drop box inside, arranged on a block seat and through whose core a cylindrical plug can be moved. The box is formed by a number of disks grooved on both sides, fluid flows through the grooves. The grooves are arranged in a spiral, curved clockwise or counterclockwise and crossways to the grooves of the adjacent disks, forming a number of chambers at the intersections between the contact faces of two side-by-side disks. A dynamic mixture of the incoming fluid veins through each groove is produced in each of the chambers, with the ensuing creation of local turbulence and loss in kinetic energy as heat prior to evacuation through the protruding course of the outlet grooves. The successive chambers in the course of the grooves are arranged in tiered annular spaces of gradual and controlled pressure loss.
    Type: Grant
    Filed: November 8, 2013
    Date of Patent: August 25, 2015
    Assignee: BADAIN, S.L.
    Inventor: Sebastian Cazcarra Pallaruelo
  • Patent number: 8998169
    Abstract: In accordance with the present invention, there is provided is a fluid control valve configured to attenuate acoustic resonance generated by a fluid flow. The fluid control valve includes a valve body defining a fluid passageway. A pair of seat rings are coupled to the valve body, with each seat ring defining an opening disposed about the fluid passageway. Each seat ring includes a plurality of vortex generators disposed about the radial periphery thereof for generating streamwise vorticies which suppress acoustic resonance.
    Type: Grant
    Filed: February 23, 2012
    Date of Patent: April 7, 2015
    Assignee: Control Components, Inc.
    Inventor: Ulrich Kaegi
  • Patent number: 8997353
    Abstract: An apparatus, system, and method are disclosed for optimizing a valve orifice shape. According to one representative embodiment, a method includes determining a specified relationship between a valve position and an output characteristic, and determining an orifice profile. The method also includes determining a relationship of an orifice area to the output characteristic. Further, the method includes shaping an orifice in a valve based on the orifice profile and the specified relationship between the valve position and the output characteristic. According to the method, the valve should approximately exhibit the specified relationship.
    Type: Grant
    Filed: March 8, 2008
    Date of Patent: April 7, 2015
    Assignee: Cummins IP, Inc.
    Inventors: Adrian P. Dale, Vivek A. Sujan
  • Patent number: 8869826
    Abstract: The regulator comprises at least a cylinder (2) with a fluid inlet connector (1) for receiving fluid at an inlet pressure and a fluid outlet connector (4) for delivering fluid, at least one chamber (3), a rod (5) in said cylinder with one side submitted to the inlet pressure and the other side submitted to the outlet pressure generating a net force counter-balanced by at least one spring means (7) acting on one side of said rod (5) against said inlet pressure, wherein a fluidic pathway is formed between said rod (5) and said cylinder (2) as the major fluidic resistance of the device, wherein a change of the inlet pressure induces a move of the rod along the axis of the cylinder thereby modifying the fluidic resistance of said fluidic pathway, wherein the fluidic resistance of said pathway varies with the applied pressure at the inlet in a predefined range of pressure, inducing a regulated flow rate in the considered range of pressure.
    Type: Grant
    Filed: May 20, 2010
    Date of Patent: October 28, 2014
    Assignee: Debiotech S.A.
    Inventors: Eric Chappel, Frédéric Neftel
  • Patent number: 8827238
    Abstract: A flow control device typically for protecting a seal (20) in a valve, wherein a body portion (5) has an orifice (8) allowing fluid flow, and the valve has a control portion (10) to allow and restrict fluid flow through the orifice. The flow control device has a fluid flow controller (30) between the body portion and the control portion in the form of at least one annular ring (35), disposed in a recess in one of the body portion and the control portion (10). The fluid flow controller (30) defines a leak path through the device that is opened and closed by a pressure differential acting across the annular member. Typically the application of a pressure differential across the fluid flow controller moves the ring(s) to one end of the recess and reduces the cross sectional area of the leak path available to the fluid, thereby diffusing the fluid flow through the orifice (8).
    Type: Grant
    Filed: December 4, 2009
    Date of Patent: September 9, 2014
    Assignee: Petrowell Limited
    Inventors: Frazer Geddes, Atul B. Sood, Gilbert Alexander Anderson
  • Patent number: 8714516
    Abstract: A non-adjustable water pressure and flow speed regulating flushing system includes a valve member adapted for sealedly disposing between the water inlet and outlet to control water flowing from water inlet to outlet through the water chamber, a relief valve disposed within the water chamber for controlling the water flowing from water chamber to water outlet, and a flow speed regulation arrangement which includes an elongated bleed channel for controlling a water pressure between the water inlet and water chamber, so as to regulate a flow speed of the water entering into the water chamber through the bleed channel in a non-adjustable manner.
    Type: Grant
    Filed: August 14, 2009
    Date of Patent: May 6, 2014
    Assignee: Advanced Modern Technologies Corporation
    Inventors: Jorge Maercovich, Leo Maercovich
  • Patent number: 8701707
    Abstract: A pressure control valve device with at least one inlet area and first and second outlet areas which can be connected by two poppet valves. A flow guide device (21), with inflow and outflow areas (22, 23) for guiding the fluid flowing from the inlet area in a defined manner in the direction of the second poppet valve, is located upstream of the second poppet valve, between the first and second outlet areas. The fluid in the flow guide device (21) passes in the area between the inflow and outflow areas (22, 23) through a plurality of channel areas distributed around the periphery of the flow guide device (21) and separated from one another, which are shaped at least approximately helically and impart an at least approximately vortex-like flow pattern to the fluid flowing in the direction of the second poppet valve downstream of the outflow area (23).
    Type: Grant
    Filed: December 8, 2008
    Date of Patent: April 22, 2014
    Assignee: ZF Friedrichshafen AG
    Inventors: Markus Moosmann, Frank Hamma, Karlheinz Mayr, Hubert Remmlinger
  • Patent number: 8534323
    Abstract: Valves comprise a valve body having a gallery coupled to an inlet and an outlet to facilitate a fluid flow therethrough. A plug is movably disposed within the valve body and a seat ring assembly may be coupled to the outlet of the valve body. At least one circular motion inducement feature is positioned in a portion of the valve body, the seat ring assembly, or both. The at least one circular inducement feature is configured to induce a circular motion in a fluid flow through the valve. Methods of creating a circular flow in a fluid flowing through a valve are also disclosed.
    Type: Grant
    Filed: April 10, 2009
    Date of Patent: September 17, 2013
    Assignee: Flowserve Corporation
    Inventors: Bradford Haines, Gifford Decker
  • Patent number: 8522820
    Abstract: A valve system is provided including a valve seat, an outlet passage and a stop valve. The valve seat has a crenulated portion. The crenulated portion has an annular recess and a plurality of teeth that are separated by a plurality of circumferential gaps. At least one of the teeth has an angled surface that borders between one of the plurality of circumferential gaps and the respective one of the plurality of teeth. The angled surface is oriented at an angle with respect to an axis that extends radially outwardly from a central axis of the valve seat. The outlet passage is located downstream of the valve seat for directing flow out of the valve assembly. The stop valve is located within the annular recess of the crenulated portion.
    Type: Grant
    Filed: September 16, 2011
    Date of Patent: September 3, 2013
    Assignee: General Electric Company
    Inventors: Tomasz Waldemar Biwanski, Wiktor Jan Wojciechowski, Robert Jacek Zreda
  • Patent number: 8430131
    Abstract: A stackable noise attenuating disk includes an inner perimeter edge and an outer perimeter edge. A plurality of inlet passages is disposed along the inner perimeter edge and a plurality of outlet passages is disposed along the outer perimeter edge. The plurality of outlet passages includes a plurality of first outlet passages and a plurality of second outlet passages. Each of the plurality of first outlet passages have a first width and each of the plurality of second outlet passages have a second width that is greater than the first width. Fluid entering the inlet passages passes through a plenum section of adjacent disks to exit through the first and second outlet passages. The first outlet passages and second outlet passages cooperate to disperse the noise peak frequencies of fluid exiting the plurality of outlet passages, thereby reducing the overall noise level of fluid exiting the plurality of outlet passages.
    Type: Grant
    Filed: February 24, 2011
    Date of Patent: April 30, 2013
    Assignee: Fisher Controls International LLC
    Inventors: Allen C. Fagerlund, Daniel Eilers, Michael W. McCarty
  • Patent number: 8079386
    Abstract: A variable pressure reducing device includes a hollow housing body formed with an inlet opening, an outlet opening spaced apart from the inlet opening, and an inner wall surface. The variable pressure reducing device further includes an intake tube that extends into the housing body from the inlet opening. The intake tube is formed with an inlet channel and is further formed with an outer tube surface that cooperates with the inner wall surface to form an outlet channel in fluid communication with the outlet opening. The variable pressure reducing device also includes a redirection structure movably mounted in the housing body and movable relative to the intake tube between a redirecting state and a sealing state.
    Type: Grant
    Filed: August 20, 2010
    Date of Patent: December 20, 2011
    Assignee: Luchan Enterprises Co., Ltd.
    Inventors: Wen-Feng Tsai, Ke-Fu Lin
  • Patent number: 8052064
    Abstract: An expansion valve of the present invention has a structure which integrates a refrigerant flow divider. The expansion valve includes a refrigerant flow dividing chamber 6 on the downstream side of a first throttle 10. Flow dividing tubes 12 are connected to the refrigerant flow dividing chamber 6. In the expansion valve, refrigerant which has passed through the first throttle 10 is sprayed into the refrigerant flow dividing chamber 6, so that the flow dividing characteristic of the refrigerant is improved. Also, due to an enlargement of the passage in the refrigerant flow dividing chamber 6, the ejection energy of a flow of the refrigerant ejected from the first throttle 10 is dispersed, whereby a discontinuous refrigerant flow noise is reduced.
    Type: Grant
    Filed: June 27, 2007
    Date of Patent: November 8, 2011
    Assignee: Daikin Industries, Ltd.
    Inventor: Tooru Yukimoto
  • Patent number: 7909054
    Abstract: A fill valve for a toilet tank includes a multi-piece shank assembly. The shank assembly includes a first hollow member coupled with a second hollow member using a snap joint. The first hollow member has a tortuous outer surface, which together with the second hollow member forms a plurality of flow paths. The flow paths are configured to reduce water noise. The first and second hollow members are provided separately, resulting in simplified molding process and improved assembly automation.
    Type: Grant
    Filed: August 6, 2007
    Date of Patent: March 22, 2011
    Inventors: Tuan Le, Bill DeKeyser, Robert Collin
  • Patent number: 7878767
    Abstract: There is provided, in one embodiment, a ball valve for regulating the flow of petroleum fluids therethrough. The ball valve is capable of transitioning between an open and a closed position. The ball valve includes in one embodiment a hydraulic piston, containment union, ported stem, containment cage and drag plunger, and is adapted to regulate the flow of fluid northward through the valve. A ball and seat should be positioned above these components, so that the hydraulic piston may extend therethrough. More specifically, during a pump downstroke, fluid enters the drag plunger, moves northward through the containment cage and into the interior of the ported stem, exits the interior of the ported stem and enters a plurality of angled veins, which impart cyclonic motion on fluid passing northward therethrough, assisting in the removal of debris. Also during the downstroke, a pedestal portion of the hydraulic unseats the ball from the seat.
    Type: Grant
    Filed: September 12, 2007
    Date of Patent: February 1, 2011
    Inventor: Michael Brent Ford
  • Patent number: 7832653
    Abstract: An expansion valve includes a valve body 1. The valve body 1 includes a first throttle 5 and a second throttle 6 arranged downstream from the first throttle 5. The second throttle 6 includes an outer surface of the second valve portion 16 and an inner surface of the second valve hole 13. A helical groove or a linear groove is formed in the outer surface of the second valve portion 16 or the inner surface of the second valve hole 13. Further, at least either one of the outer surface of the second valve portion 16 and the inner surface of the second valve hole 13 is tapered toward a distal end of a valve member 4.
    Type: Grant
    Filed: February 28, 2006
    Date of Patent: November 16, 2010
    Assignee: Daikin Industries, Ltd.
    Inventor: Tooru Yukimoto
  • Patent number: 7814935
    Abstract: 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 provided between the two components, whereby the outer component is expanded to seal against the bore when the inner component is inserted into the outer component so as to engage the second ramp portion. The ramp means comprise first and second portions of different inclinations. The vortex valve has a circumferential inlet which is adjustable.
    Type: Grant
    Filed: July 25, 2007
    Date of Patent: October 19, 2010
    Assignee: Hydro International PLC
    Inventors: Robert Y. G. Andoh, Jeremy P. Le-Cornu, Michael G. Faram
  • Patent number: 7811067
    Abstract: An air driven diaphragm pump includes an performance control actuator having a housing with opposed air chambers. The pump includes pump chambers facing the air chambers and pump diaphragms extending between each air chamber and each pump chamber, respectively. The actuator further includes an air valve, an intake to the air valve and an engagement. The intake includes an intake passage and a performance control intake adjuster rotatably mounted. The intake adjuster has a helical channel and a closure element extending adjustably into the intake passage. The engagement engages the helical channel for control of the intake. The helical channel has varied pitch to provide a nonlinear relationship between rotation and axial advancement of the intake adjuster. The nonlinear relationship gives flow rate proportional to the angular rotation of the intake adjuster.
    Type: Grant
    Filed: April 19, 2006
    Date of Patent: October 12, 2010
    Assignee: Wilden Pump and Engineering LLC
    Inventors: Curtis W. Dietzsch, Greg S. Duncan, Gary K. Lent
  • Publication number: 20100175768
    Abstract: Trim disk assemblies for use in fluid flow control devices include a first disk and a second disk. An elongated void is formed in a surface of each of the first disk and the second disk. The second disk is aligned with the first disk to provide fluid communication between the void of the first disk and the void of the second disk, the void of the first disk being offset or staggered from the void of the second disk. The void of the first disk and the void of the second disk at least partially define a fluid passageway having a cross-sectional area characterized by increases and decreases in cross-sectional area, which define an expansion/contraction mechanism of the fluid passageway.
    Type: Application
    Filed: March 24, 2010
    Publication date: July 15, 2010
    Applicant: FLOWSERVE MANAGEMENT COMPANY
    Inventor: Bradford Haines
  • Publication number: 20100163651
    Abstract: An irrigation emitter is provided for delivering irrigation water from a water supply conduit, such as an irrigation supply tube, pipe, or other water supply apparatus, at a low volume or drip-like flow rate. The emitter operates generally through the use of a relatively long flow channel that causes a pressure reduction between the water supply conduit and an emitter outlet. The emitter includes an inlet component for tapping a portion of the water flow from the water supply conduit and, when the water pressure is above a predetermined minimum level, directing the flow to and through the flow channel for subsequent discharge to a desired location. The emitter also may regulate to accommodate for changes in supply pressure. The emitter also may include automatic flushing to dislodge debris trapped within the emitter.
    Type: Application
    Filed: December 31, 2008
    Publication date: July 1, 2010
    Inventors: Raymond P. Feith, Jeffrey Lee Mattlin
  • Patent number: 7543596
    Abstract: Apparatus and a control system for monitoring (preferably digitally) and/or controlling pressure to a pneumatic load such as a proportional fluid control valve and using a measurement input from a fluid measurement device that responds to a flow rate, the liquid measurement input being used to control the pressure to the pneumatic load so that pneumatic load may be increased or decreased (to proportionally open or close the pneumatic valve) to change the flow rate of the fluid to a desired rate. The pneumatic load can also be adjusted (to proportionally open or close the pneumatic valve) to accommodate changes in temperature and viscosity of a fluid.
    Type: Grant
    Filed: July 18, 2003
    Date of Patent: June 9, 2009
    Assignee: Entegris, Inc.
    Inventors: Marc Laverdiere, Robert F. McLoughlin, George Gonnella, Iraj Gashgaee, Jennifer Marrs
  • Publication number: 20080282717
    Abstract: An expansion valve includes a valve body 1. The valve body 1 includes a first throttle 5 and a second throttle 6 arranged downstream from the first throttle 5. The second throttle 6 includes an outer surface of the second valve portion 16 and an inner surface of the second valve hole 13. A helical groove or a linear groove is formed in the outer surface of the second valve portion 16 or the inner surface of the second valve hole 13. Further, at least either one of the outer surface of the second valve portion 16 and the inner surface of the second valve hole 13 is tapered toward a distal end of a valve member 4.
    Type: Application
    Filed: February 28, 2006
    Publication date: November 20, 2008
    Applicant: DAIKIN INDUSTRIES LTD.
    Inventor: Tooru Yukimoto
  • Patent number: 7357143
    Abstract: A regulator comprises a body including an inflow line, an outflow line, and a buffer space, the buffer space being provided between the inflow line and the outflow line, and a switch for opening and closing a flow path of a fluid flowing from the inflow line to the buffer space. The switch comprises a seat member including an inlet for receiving the fluid from the inflow line, and an outlet for supplying the fluid received through the inlet to the buffer space, the seat member being disposed in the flow path and a movable cutoff member for opening and closing the inlet, the cutoff member being inserted into the seat member, wherein the outlet is configured for allowing the fluid to flow in one direction along an outer sidewall of the seat member.
    Type: Grant
    Filed: December 20, 2005
    Date of Patent: April 15, 2008
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Bu-Hyoung Cho, Sung-Duk Yoon, Sung-Min Hyun, Young-Gi Kim
  • Publication number: 20080048142
    Abstract: A valve incorporates a device causing turbulents in the water stream just before passing over the turbine fins of the flow sensor. The device actually increases the Reynolds number or turbulence of the water stream increasing the contact of the water on the turbine. This causes the turbine to rotate more efficiently for the given flow volume passing over the flow measuring device. The improved efficiency results in better accuracy and performance over the entire flow range. In one embodiment the turbulent device forces the flow stream to rotate counter clockwise and hit the turbine fins causing higher force which makes the turbine turn more efficiently. The turbine is designed such that the major portion of the fin surface area is perpendicular to the turbulent flow stream. This opposed direction causes more force to be placed on the turbine fin by the water stream.
    Type: Application
    Filed: August 23, 2007
    Publication date: February 28, 2008
    Applicant: Robertshaw Controls Company
    Inventors: Kevin J. Engler, Jerome C. Klopp, Mark Hentschel
  • Patent number: 7028976
    Abstract: A closing body is mounted in an axially displaceable manner in a bore of a fluidic valve to control a pressure medium flowing via the valve. The closing body has a sealing section, interacting with a seating edge of valve, and a guide section which serves to guide the valve cone in the bore. The guide section is provided with recesses which allow an overflow of pressure medium between the two sides of the closing body. To reduce costs of production, the guide section of the closing body is of cylindrical form and its surface is provided with at least one helical groove which leads from one side of the guide section to its other side. The closing body is useful in particular in constant pressure valves for controlling fluid pressure medium. The sealing section of the closing body is normally of conical form.
    Type: Grant
    Filed: August 7, 2002
    Date of Patent: April 18, 2006
    Assignee: Bosch Rexroth AG
    Inventors: Peter Bachmann, Uwe Künzinger, Holger Mühlhoff, Hans Wölfges
  • Patent number: 6981689
    Abstract: Presented is a flow metering valve that can precisely and accurately regulate the volume of the fluid-flow through entire range of measured flows. The valve comprises tubular body and moving stem in it. One end portion designated as a leading has threadely engaged stem and body. Another portion designated as a regulating has body with the stem extended to fill the tubular space longitudinally separating inlet and outlet ports. At least one of the surfaces—the inner of the body or the outer of the stem—is threaded and have their threads truncated by tapering truncation from the crest to the root. The truncated thread forms channel having cross-section tapering from one port to the other. The axially moving stem gradually changes the cross-section of the channel providing variable flow communication between the two ports. The fluid flow changes proportionally to the cross-section of the formed channel. The valve provides very fine regulation of the flow within four orders of magnitude.
    Type: Grant
    Filed: April 8, 2004
    Date of Patent: January 3, 2006
    Inventors: Gueorgui Milev Mihaylov, Evdokia Kirilova Mihaylov
  • Patent number: 6877306
    Abstract: A fuel system having an ecology valve controlling liquid flow through a retention passage when pressurized liquid is passed through the valve is presented. The retention passage winds between the valve outlet and a cavity such that no matter which way the valve is oriented gravity alone is unable to drain liquid from the cavity to the outlet. The ecology valve serves to suction fuel from fuel nozzle passages upon engine shutdown. Fuel is temporarily stored in the cavity and the retention passage. The ecology valve also provides a fuel splitting function for providing a port geometry determined split between fuel nozzles in the fuel system.
    Type: Grant
    Filed: February 7, 2003
    Date of Patent: April 12, 2005
    Assignee: Woodward Governor Company
    Inventors: Donald E. Wernberg, John D. Tysver
  • Patent number: 6860230
    Abstract: A stem for a watering nipple for use in supplying water to poultry is provided. At least a portion of the stem is hollow and formed of coiled material in a manner similar to that of a coiled spring such that the stem has a number of turns and minuscule gaps provided between adjacent turns. Upon actuation of the nipple, a water-tight seal is broken such that a portion of the water is directed to flow through the hollow interior of the stem, and preferably directly into the mouth of the poultry. Some water, though, will flow along the outer surface of the stem. Where the coiled material is provided, this water will either be drawn into the hollow interior of the stem through the minuscule gaps, or this water will adhere to the outer surfaces of the stem to attract and allow poultry to drink the water thereon.
    Type: Grant
    Filed: May 10, 2004
    Date of Patent: March 1, 2005
    Assignee: CTB IP, Inc.
    Inventors: Timothy W. Momont, Philip Wilfong
  • Publication number: 20040238772
    Abstract: Closing bodies serve to control a pressure medium flow flowing via a fluidic valve. The closing body is mounted in an axially displaceable manner in a bore of the valve. It has a sealing section, interacting with a seating edge of the valve, and a guide section which serves to guide the valve cone in the bore. The guide section is provided with recesses which allow an overflow of pressure medium between the two sides of the closing body. The production of such closing bodies is expensive. In order to produce such closing bodies in a more cost-effective manner, the guide section of the closing body is of cylindrical form and its surface is provided with at least one helical groove which leads from the one side of the guide section to its other side. The closing bodies are used in particular in constant pressure valves for controlling fluid pressure medium. The sealing section of the closing body is normally of conical form.
    Type: Application
    Filed: June 28, 2004
    Publication date: December 2, 2004
    Inventors: Peter Bachman, Uwe Kunzinger, Holger Muhlhoff, Hans Wolfges
  • Patent number: 6772786
    Abstract: A hydraulic control circuit, comprising a control line connected to a device to be controlled by fluid pressure in the control line; a time-out valve on the control line, the time-out valve having a time-out period during which time-out period operation of the time-out valve is delayed after actuation of the time-out valve; a pump connected to the control line for pressurizing the control line with fluid; and an arming valve operated by pressure on an arming line connected to the control line and the arming valve being connected to the time-out valve to reduce the time-out period in response to pressure on the control line.
    Type: Grant
    Filed: February 22, 2002
    Date of Patent: August 10, 2004
    Assignee: Argus Machine Co. Ltd.
    Inventor: James Richard Ellett
  • Patent number: 6748899
    Abstract: The invention provides a stem for a watering nipple for use in supplying water to poultry. The stem is hollow and formed of coiled material in a manner similar to that of a coiled spring such that the stem has a number of turns and minuscule gaps provided between adjacent turns. Upon actuation of the nipple, a water-tight seal is broken such that a majority of the water is directed to flow within the stem and directly into the mouth of the poultry. Some water, though, will flow along the outer surface of the stem. This water will either be drawn into the stem through the minuscule gaps, such that it will flow directly into the poultry's mouth, or this water will adhere to the outer surfaces of the stem to attract poultry and allow poultry to drink the water thereon.
    Type: Grant
    Filed: January 30, 2003
    Date of Patent: June 15, 2004
    Assignee: CTB IP, Inc.
    Inventors: Timothy W. Momont, Philip Wilfong
  • Publication number: 20040021103
    Abstract: A pilot operated valve has a main poppet that selectively controls bidirectional flow of fluid between two ports in response to pressure in a control chamber on one side of the main poppet. The main poppet has a pilot orifice that is opened and closed by a pilot poppet. A unique mechanism is provided to compensate for variation of a pressure differential on opposite sides of the pilot orifice. This mechanism has a pair of annular end members between which extends a spring formed by a plurality of helices. Multiple passages with check valves extend through the main poppet to communicate the greatest pressure among the two ports to the control chamber and the lowest pressure among the two ports to the side of the pilot orifice that is opposite the control chamber.
    Type: Application
    Filed: August 5, 2002
    Publication date: February 5, 2004
    Inventors: Xiaolong Yang, Michael J. Paik, Joseph L. Pfaff
  • Publication number: 20040004203
    Abstract: The invention provides a valve that one may use to finely adjust the amount of fluid that flows to a device such as a portable gas burner. The valve includes a receiver through which fluid flows when the valve is open, a metering groove operable to form a metering passage in the receiver to limit the flow of fluid through the receiver, and a stem positionable relative to the receiver to form the metering passage from different portions of the metering groove to adjust the amount of fluid that may flow through the receiver. The metering groove includes a groove axis that extends the length of the metering groove and cross-sectional areas oriented perpendicular to the groove axis that differ according to their location along the axis. The metering passage is formed from all or a portion of the metering groove, and limits the flow of fluid through the receiver with the smallest cross-sectional area of the metering groove portion that forms the metering passage.
    Type: Application
    Filed: July 3, 2003
    Publication date: January 8, 2004
    Inventor: Paul K. Smith
  • Patent number: 6644620
    Abstract: A dispensing valve is shown that controls the flow of a fluid, the valve having a housing containing a cylindrical/tubular passageway between an inlet and outlet of the valve. A rod like closure member is operable to move through the passageway from a first position in which the valve is fully closed, to a second position in which the valve is fully open. The exterior surface of the closure member engages the interior surface wall of the passageway to seal the passageway and the interior surface wall and/or the exterior surface of the closure member have helical/spiral grooves therein. A spiral flow passage is defined through which the fluid can flow on its passage from the inlet to the outlet when the closure member moves away from its first position. Further movement of the closure member towards the second position regulates the flow rate of the fluid through the passageway.
    Type: Grant
    Filed: August 21, 2001
    Date of Patent: November 11, 2003
    Assignee: IMI Cornelius Inc.
    Inventors: Martin Johnson, Joseph E. Holland, Henry B. Wisnieski
  • Patent number: 6581902
    Abstract: In a fluid metering device for metering a fluid from a supply source to means of use of this fluid comprising a metering valve able to slide in a sleeve over a travel C, this valve comprising an intake orifice (16) for admitting the fluid from the said supply source and an orifice (18) for ejecting this fluid to the means of use, there are provided means (20) for channelling the fluid intended to allow, during the movement of the metering valve in its sleeve, a sweeping of the fluid over all the contacting surfaces of the valve and of the sleeve. The means of channelling the fluid advantageously comprise a helical groove of width L and of pitch P.
    Type: Grant
    Filed: September 17, 2001
    Date of Patent: June 24, 2003
    Assignee: SNECMA Moteurs
    Inventors: Marion Michau, José Rodrigues, Alain Tiepel
  • Patent number: 6565063
    Abstract: A choke for a brake control valve coming within the physical space limitation by forming a helical choke path. The choke includes a body having a passage and a plug in a passage. The helical path is created between and defined by the passage and the plug to form the choke. The length the passage is less an inch and the length of the plug is less than 0.25 inches. The body includes the first portion having an external thread and a stem portion. A filter is mounted on the stem portion. The first portion is mounted in a threaded opening in a first wall of the valve. The filter extends into an opening in a second wall of the valve and a cap mounted in the second opening contacts the filter and holds it secure on the stem.
    Type: Grant
    Filed: January 22, 2002
    Date of Patent: May 20, 2003
    Assignee: New York Air Brake Corporation
    Inventors: Ronald O. Newton, William B. McCurdy, Jr.
  • Patent number: 6460561
    Abstract: Pressurised medium apparatus with a valve.
    Type: Grant
    Filed: October 13, 1999
    Date of Patent: October 8, 2002
    Assignee: LuK Getriebe-Systeme GmbH
    Inventor: Günter Ebinger
  • Patent number: 6398543
    Abstract: A method for delivering fuel oil from a pressurized fuel oil source to an airblast atomizer subassembly on a low firing rate fuel oil burner includes providing a flow control device having a body defining a bore extending between and inlet end of the bore and an outlet end of the bore. The flow control device includes a rod disposed coaxially within the bore in a close fitting relationship. At least one of the bore and the rod is threaded (i.e., includes a groove extending along a helical path) to define a passageway extending along a circuitous, helical path intermediate the input and output ends of the bore through which the fuel oil must pass in flowing from the input end to the output end. The passageway has a size and shape adapted to achieve a desired rate of flow of the fuel oil to the airblast atomizer subassembly (e.g., less than 1.0 gallons per hour and typically less than 0.5 gallons per hour). The method proceeds by delivering the fuel oil through the passageway in the flow control device.
    Type: Grant
    Filed: June 1, 2000
    Date of Patent: June 4, 2002
    Inventor: Noel A. Wymaster
  • Patent number: 6378558
    Abstract: A valve (1) on the basis of electrorheological and/or magnetorheological fluids includes a fluid inlet channel (3) connected through a valve gap (5) to a fluid outlet channel (4). The valve gap is filled with an electrorheological and/or magnetorheological fluid and is bounded by bounding surfaces that are embodied as electrically energizable capacitor electrodes and/or coil arrangements, whereby the field excitation thereof acts on the fluid flowing through the valve gap. At least one bounding surface of the valve gap is embodied to be movable selectively toward and away from another bounding surface, so as to superimpose a squeeze mode and a flow mode of the electrorheological and/or magnetorheological effect. The valve gap may define a meandering or spiral flow path for the fluid. In this manner, a compact valve can provide high blocking pressures and high through-flow rates.
    Type: Grant
    Filed: November 8, 2000
    Date of Patent: April 30, 2002
    Assignee: Carl Schenck
    Inventors: Andreas Pohl, Horst Rosenfeldt, Eckhardt Wendt, Klaus Buesing
  • Publication number: 20020033463
    Abstract: In a fluid metering device for metering a fluid from a supply source to means of use of this fluid comprising a metering valve able to slide in a sleeve over a travel C, this valve comprising an intake orifice (16) for admitting the fluid from the said supply source and an orifice (18) for ejecting this fluid to the means of use, there are provided means (20) for channelling the fluid intended to allow, during the movement of the metering valve in its sleeve, a sweeping of the fluid over all the contacting surfaces of the valve and of the sleeve. The means of channelling the fluid advantageously comprise a helical groove of width L and of pitch P.
    Type: Application
    Filed: September 17, 2001
    Publication date: March 21, 2002
    Applicant: SNECMA MOTEURS
    Inventors: Marion Michau, Jose Rodrigues, Alain Tiepel
  • Patent number: 6354326
    Abstract: A toilet fill valve includes a housing defining a water fill passage and a water inlet. A valve disposed in the passage divides the housing into a upstream portion and a downstream portion. A pressure regulator vertically oriented in the downstream portion of the housing has a spiral configuration providing a significant pressure drop in the water flow. Noise abatement is enhanced by pressure regulation which reduces the flow velocity, flow directors which inhibit turbulence, and energy drops provided in a downspout.
    Type: Grant
    Filed: September 14, 1998
    Date of Patent: March 12, 2002
    Assignee: Fluidmaster, Inc.
    Inventors: Tuan Van Le, Christopher A. Coppock
  • Publication number: 20020027212
    Abstract: A dispensing valve is shown that controls the flow of a fluid, the valve having a housing containing a cylindrical/tubular passageway between an inlet and outlet of the valve. A rod like closure member is operable to move through the passageway from a first position in which the valve is fully closed, to a second position in which the valve is fully open. The exterior surface of the closure member engages the interior surface wall of the passageway to seal the passageway and the interior surface wall and/or the exterior surface of the closure member have helical/spiral grooves therein. A spiral flow passage is defined through which the fluid can flow on its passage from the inlet to the outlet when the closure member moves away from its first position. Further movement of the closure member towards the second position regulates the flow rate of the fluid through the passageway.
    Type: Application
    Filed: August 21, 2001
    Publication date: March 7, 2002
    Inventor: Martin Johnson
  • Patent number: 6283148
    Abstract: A valve for use in a sucker rod actuated fluid pump including a traveling valve assembly and a standing valve assembly within which a vortex is believed to be created to draft the ball check valve from its seat during the stroke of the sucker rod and thereby increase the amount of petroleum fluids pumped to the surface during each stroke of the fluid pump.
    Type: Grant
    Filed: February 23, 2000
    Date of Patent: September 4, 2001
    Assignee: Flowmore Systems, Inc.
    Inventors: Harry L. Spears, Allen A. Pennington
  • Patent number: 5964247
    Abstract: A fill valve has a main valve with a valving surface contacted by a valve disk. A series of offset radial paths separated by a toroidal path permit free radial flow at full open and quiet tortuous flow as the valve closes. Removal of a cap permits access to the main valve for cleaning. Indicia in the valve body provide easy height adjustments. A riser base is made up of easily molded locking parts and provides a variable height adjustment structure that is shielded from view. A flexible cup performs multiple functions including serving as a pilot valve, a vacuum breaker valve and a seal. A float for operating the pilot valve is pivotally mounted without extra parts or fasteners.
    Type: Grant
    Filed: November 19, 1997
    Date of Patent: October 12, 1999
    Assignee: American Standard Inc.
    Inventor: Dwight N. Johnson
  • Patent number: 5819775
    Abstract: An improved control valve to control very low rates of flow having a valve body housing a throttle mechanism. The throttle mechanism comprising a bore and throttle plunger, having a helical exterior groove, sized with an annular passage therebetween. The size of the cylindrical passage is selected and held within limits so that media of a chosen viscosity maintains fully developed laminar conditions as it enters and exits the valve, by keeping the Reynolds Number under 4000. The flow rate is controlled by varying the distance that the throttle plunger extends into the bore. Because the valve operates under constant laminar conditions this varying distance yields linear results between the length of engagement of the throttle plunger in the bore and the flow rate resulting in an increased accuracy control valve.
    Type: Grant
    Filed: October 10, 1996
    Date of Patent: October 13, 1998
    Assignee: Parker & Harper Companies, Inc.
    Inventor: David G. Holloway
  • Patent number: 5799691
    Abstract: A device for feeding a gaseous fluid radially from a center of a vessel outwards, including a central vertical gas feed tube having at least one vertical row of discharge openings, a catalyst bed of bulk material accommodated in a perforated basket, which includes a perforated cylindrical surface surrounding the central vertical gas feed tube in a spaced relationship thereto and defines with the guide feed tube a hollow cylindrical space, the perforated cylindrical surface defining an impingement surface of the catalyst bed, and deflector elements provided at the at least one row of the discharge openings to insure a substantially tangential flow of gas into the hollow cylindrical space.
    Type: Grant
    Filed: October 2, 1996
    Date of Patent: September 1, 1998
    Assignee: Uhde GmbH
    Inventor: Hans-Dieter Marsch
  • Patent number: 5775423
    Abstract: A valve for a two way hydraulic drilling jar which includes a hollow cylindrical member having an exterior surface, an interior surface, a first end and a second end. At least one spiral-form fluid bypass passage is positioned in each of the first end and the second end of the cylindrical member. The at least one spiral-form bypass passages has a first end communicating with the exterior surface and a second end communicating with the interior surface.
    Type: Grant
    Filed: September 30, 1996
    Date of Patent: July 7, 1998
    Assignee: A.T.K. Enterprises Inc.
    Inventor: Aureliusz Eric Tadeusz Kaczynski
  • Patent number: 5738141
    Abstract: The present invention relates to a WC-cistern filling valve comprising a liquid inlet assigned to a supply line, a liquid outlet assigned to the cistern, and a closing element which is assigned to a valve passage opening arranged between liquid inlet and oulet and which is switchable by a float in accordance with the liquid level in the cistern for opening and closing the valve passage opening. It is the object of the present invention to provide a low-noise WC-cistern filling valve. This object is achieved in that at least a portion of the liquid outlet is shaped as a thread in the flow direction downstream of the closing element in such a manner that liquid is discharged with a swirl from the liquid outlet to the cistern in the opened state of the closing element.
    Type: Grant
    Filed: March 4, 1996
    Date of Patent: April 14, 1998
    Assignee: Rost GmbH & Co. KG
    Inventors: Willfried Blanke, Norbert Fuchs, Gerhard Pieper
  • Patent number: 5732929
    Abstract: A soft closing liquid valve of the pilot control type including an inlet chamber, an outlet chamber, a third pilot chamber, a first conduit for liquid communication between the inlet chamber and the third chamber and a second conduit for fluid communication between the third chamber and the outlet chamber whereby the liquid flow rate through the first conduit is reduced by the conduit including a tortuous path means so that the flow rate into the third chamber is substantially reduced and when the second conduit is closed causes the third chamber to fill at a slower rate than in conventional pilot controlled valves, the resultant slow rate of change of pressure causing a slow closure of the flow path between the inlet and outlet chambers by a diaphragm thus minimizing water hammer.
    Type: Grant
    Filed: November 26, 1996
    Date of Patent: March 31, 1998
    Assignee: Technical Components, Pty. Ltd.
    Inventors: Cosmo Luppino, Gregory Summerton
  • Patent number: 5676173
    Abstract: An apparatus for inserting a venturi tube having an inlet, an aspirator inlet and an outlet directly within a fluid flow stream, with the aspirator inlet not in contact with the fluid flow stream is disclosed. A plate having a first aperture leading to the venturi inlet, and a series of second apertures both supports the venturi within a conduit and divides the fluid flow stream into a first stream which flows through the venturi tube and a second stream which flows around the venturi tube. A variety of adjusting mechanisms are disclosed for varying the cross sectional area of the second apertures relative to the cross sectional area of the venturi tube. The apparatus is adapted to allow the back pressure within the venturi tube (which increases as the fluid flow rate increases) to force an increasing proportion of the flow stream to flow around the venturi tube in order to maintain a relatively constant aspiration rate within the venturi tube.
    Type: Grant
    Filed: May 31, 1995
    Date of Patent: October 14, 1997
    Assignee: T I Properties, Inc.
    Inventors: Wayne Ernest Conrad, Helmut Gerhard Conrad, Richard Stanley Phillips, Andrew Richard Henry Phillips, Gerald Earl Bowman, Michael John Preston