Including Movable Means For Varying Point Of Convergence Patents (Class 239/420)
  • Patent number: 10815128
    Abstract: Nanoparticles and method for producing uniform silicate-based nanoparticles are disclosed. The method comprises a step of injecting into tubular branched elements comprising static mixers a first aqueous solution comprising a water-soluble silicate compound and a second aqueous solution comprising a water-soluble compound releasing cationic species in solution, and allowing the reaction between the first and the second aqueous solutions in a micro-mixing regime, the method being characterized in that the overall mixing time is kept below 10?5 s. A further step of allowing the solution obtained in the micro-mixing regime to mix in a macromixing regime. Nanoparticles obtained through the present method are also disclosed.
    Type: Grant
    Filed: November 27, 2017
    Date of Patent: October 27, 2020
    Assignee: ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (EPFL)
    Inventors: Abhishek Kumar, Paul Bowen
  • Patent number: 9816216
    Abstract: A nozzle foil (12), for a nozzle bar (10) of a textile processing machine, having a plurality of nozzle openings (16) arranged in one or more rows (40) in a longitudinal direction L. The nozzle foil (12) consists of at least two adjacent foil segments (25) that can be mechanically connected with each other in a form-fitting manner. With the connection established, the upper sides (15) and the undersides (17) of the foil segments (25) are in a common plane. To accomplish a form-fitting connection, connecting means (27) provided on one foil segment (25) interact with opposing connecting means (28) of the other foil segment (25). The connecting means (27) and the opposing connecting means (28) are integral components of the respective foil segment (25) and preferably are manufactured at the same time as the respective foil segment (25) and consist of the same material as the respective foil segment (25).
    Type: Grant
    Filed: September 14, 2010
    Date of Patent: November 14, 2017
    Assignee: GROZ-BECKERT KG
    Inventor: Reinhold Eydner
  • Patent number: 9518306
    Abstract: There is provided a top-firing hot blast stove including a burner and a burner duct capable of stabilizing an ignition point at a desired position inside the burner duct and suppressing occurrence of blinking phenomenon so as to achieve high combustion efficiency. A top-firing hot blast stove 10 includes a checker chamber 4 and a combustion chamber 3 which includes a burner system and placed above the checker chamber 4.
    Type: Grant
    Filed: March 13, 2012
    Date of Patent: December 13, 2016
    Assignee: Nippon Steel & Sumikin Engineering Co., Ltd
    Inventors: Norimasa Maekawa, Koya Inoue, Hiroshi Shimazu, Shunji Koya, Naoki Kunishige, Nobuhiro Ohshita
  • Publication number: 20140145011
    Abstract: A marker airbrush device for transferring marking solution from a marking device onto a writing surface using air is provided. The airbrush device includes a housing with an air outlet, a trigger for controlling an amount of air travelling through the air outlet, and a marker positioner coupled to the housing. The marker positioner positions a marking device relative to the air outlet such that air traveling through the air outlet contacts at least one surface of the marking device to transfer marking solution onto a writing surface. In embodiments, rotation of a portion of the marker positioner advances and/or retracts the marking device with respect to the flow of air through the air outlet, thereby altering the angle and/or amount of air that contacts the marking device during spraying. In another embodiment, the marker positioner includes a locking lever for engaging against the marker device nib and/or housing.
    Type: Application
    Filed: November 26, 2013
    Publication date: May 29, 2014
    Applicant: Crayola LLC
    Inventors: Douglas Brand, Adam Scott Sharp, Thomas R. Rau, Adam Sandt
  • Publication number: 20140084088
    Abstract: A system for processing a heterogeneous material includes a conduit for a pressurized fluid and a nozzle assembly in fluid communication with the conduit. The nozzle assembly includes a plurality of adjustable nozzles configured such that fluid streams passing through each nozzle intersect at an oblique angle after passing through the nozzles. At least one of the fluid streams comprises a heterogeneous material. A method of processing a heterogeneous material includes entraining heterogeneous particles into at least one fluid stream, passing the fluid stream through an adjustable nozzle, impacting the fluid stream with another fluid stream at an oblique angle to ablate the heterogeneous particles, and classifying the heterogeneous particles.
    Type: Application
    Filed: December 2, 2013
    Publication date: March 27, 2014
    Inventors: James A. Coates, Charles Coates, Eric Coates
  • Patent number: 8523087
    Abstract: A fluid handling device, for example, a laminar jet fountain, includes a jet emanating a first stream of substantially laminar fluid. The jet fountain also includes a surface disruptor that includes a body, a water inlet, a valve, a fluid outlet, and a trajectory adjuster emanating a second stream of fluid from the fluid outlet. The second stream of fluid may be positioned to intersect the first stream of fluid and perturb its laminarity. By adjusting a valve controlling the force and volume of flow of the second stream and/or by adjusting the trajectory adjuster, the intersection of the first and second streams may be modified and, therefore, the laminarity of the first stream may be modified. By disrupting the laminar surface of the first stream, light introduced into the first stream may be caused to refract outward from the first stream and thus enhance illumination of the first stream.
    Type: Grant
    Filed: October 24, 2011
    Date of Patent: September 3, 2013
    Assignee: Zodiac Pool Systems, Inc.
    Inventor: John T. Hagaman
  • Patent number: 8505834
    Abstract: The invention concerns a spray nozzle for a fluidized bed device, said nozzle comprising a central liquid outlet (15) for a liquid coating agent and an annular air outlet (17) for conveying spraying air coaxially. An enclosing body (1) having a central recess (4) is maintained in a wall of the box of the fluidized bed device. Said enclosing body (1) is connected to a spraying air source through an air duct (6) and an axially mobile nozzle head (14) is centrally mounted inside said enclosing body (1). Said nozzle head (14) is connected to a liquid coating agent source through a liquid duct (10), said liquid duct (10) having a flexible tubular section (12) and being centrally guided inside the air duct (6).
    Type: Grant
    Filed: April 21, 2006
    Date of Patent: August 13, 2013
    Assignee: Glatt GmbH
    Inventors: Bernhard Luy, Manfred Struschka, Matthias Tondar
  • Patent number: 8297529
    Abstract: A device is disclosed that uses a flow-control methodology to control sprays at very high precision and frequency. The device is based on an enhanced Coanda effect. The control flow is selectively applied to the region in which we desire the jet to vector and control the profile (width) of the jet. The control flow is introduced through multiple control flow ports surrounding the primary nozzle and adjacent to the Coanda surface. By selectively opening and closing different control flow ports the motion and profile of the jet can be controlled.
    Type: Grant
    Filed: May 4, 2009
    Date of Patent: October 30, 2012
    Assignee: Utah State University
    Inventors: Barton L. Smith, Ryan Smith
  • Patent number: 8177141
    Abstract: Methods and apparatuses are disclosed for fluid handling devices with enhanced functionality. In some embodiments, the fluid handling device may include a plurality of filters coupled to the fluid handling device, where passing a first stream of fluid through the plurality of filters may improve the laminarity of the first stream of fluid, an orifice situated about the fluid handling device, where the first stream of fluid may exit the fluid handling device through the orifice in a substantially laminar state, and a surface disruptor coupled to the fluid handling device, where the surface disruptor may provide a second stream of fluid and where the disruptor may be positioned such that the second stream of fluid interferes with the first stream of fluid exiting the fluid handling device.
    Type: Grant
    Filed: December 19, 2008
    Date of Patent: May 15, 2012
    Assignee: Zodiac Pool Systems, Inc.
    Inventor: John T. Hagaman
  • Patent number: 8042748
    Abstract: A fluid handling device, for example, a laminar jet fountain, includes a jet emanating a first stream of substantially laminar fluid. The jet fountain also includes a surface disrupter that includes a body, a water inlet, a valve, a fluid outlet, and a trajectory adjuster emanating a second stream of fluid from the fluid outlet. The second stream of fluid may be positioned to intersect the first stream of fluid and perturb its laminarity. By adjusting a valve controlling the force and volume of flow of the second stream and/or by adjusting the trajectory adjuster, the intersection of the first and second streams may be modified and, therefore, the laminarity of the first stream may be modified. By disrupting the laminar surface of the first stream, light introduced into the first stream may be caused to refract outward from the first stream and thus enhance illumination of the first stream.
    Type: Grant
    Filed: March 2, 2009
    Date of Patent: October 25, 2011
    Assignee: Zodiac Pool Systems, Inc.
    Inventor: John T. Hagaman
  • Patent number: 7798428
    Abstract: A spray head with improved distributor body for a high pressure spray cleaning apparatus is provided. The spray head is carried on the end of a hand held wand with control valves to separately regulate flow through a pair of fluid circuits, the spray head having a nozzle that sprays heated water in a fan-like pattern against a deflecting edge of a distributor body. Cleaning chemicals are forced through an aperture into the fan-like pattern prior to its striking the deflecting edge to be intimately mixed with the heated water to produce a mixture that strikes the deflecting edge and is deflected therefrom in a highly concentrated form at a high velocity. An elbow guard provides improved protection for the chemical cleaning fluid flow line where it connects to the spray head. Also disclosed is a spray head that allows for the separate application of fluids delivered from separate supply sources.
    Type: Grant
    Filed: December 28, 2006
    Date of Patent: September 21, 2010
    Assignee: K-O-K, LLC
    Inventor: Randolph A. Weil
  • Patent number: 7784709
    Abstract: A selectively automatic fire fighting nozzle a method of use including adjustable means (ST) of limiting a range of automatic adjustment (B) of a discharge orifice of the nozzle, providing an option of selecting a constant pressure for a first fraction of a discharge window and selecting a relatively constant flow for a second fraction.
    Type: Grant
    Filed: September 27, 2000
    Date of Patent: August 31, 2010
    Assignee: Williams Fire and Hazard Control, Inc
    Inventors: Dwight P. Williams, Dennis W. Crabtree
  • Patent number: 7731100
    Abstract: Diverse methods of utilization and the corresponding, related modifications, of linear type, Variable Gas Atomization (VGA) nozzles and lances are described. Therein is joined the mixing and gas atomization of chemicals that react to form active products that further react with harmful flue gas constituents of combustion so as to enable their effective collection. One version combines, in a lance assembly of nozzles, the injection of reactants, in the form of finely divided dry solids conveyed in a carrier air stream, and the fine atomization of water, aqueous solutions or slurries. Atomization of such streams is employed to effectively wet the surfaces of the dry particles and, thereby, promote the rapid sorption of gaseous constituents of flue gas being treated. Another version simultaneously mixes and atomizes reacting chemicals to produce, and release into the flue gas stream, strongly oxidizing, transient, species of their reaction products.
    Type: Grant
    Filed: August 10, 2009
    Date of Patent: June 8, 2010
    Inventor: William Arthur Walsh, Jr.
  • Patent number: 7523876
    Abstract: An apparatus for mixing two or more fluids, gases or other substances and conveying said fluids, gases or other substances through a convergent-divergent (C-D) nozzle to produce a highly atomized output flow that is adjustable from no atomization to full atomization, said preferred embodiment of said apparatus having a housing and a nose portion and a gripping portion, the housing including an outer conduit and an inner conduit, the outer and inner conduits positioned and arranged to convey fluids, gases and other substances from an entry point to an exit point and into the entry end of a C-D nozzle and through said C-D nozzle to produce an output flow. The location of the outer conduit, inner conduit and C-D nozzle may be adjusted to vary the output flow from no atomization to full atomization. The pressure and flow rate in each conduit may also be separately adjusted to obtain the desired output flow.
    Type: Grant
    Filed: April 9, 2007
    Date of Patent: April 28, 2009
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventor: Joseph E. Wolfe
  • Publication number: 20070262173
    Abstract: A spray nozzle comprises a cap 38 having an outlet orifice 41 formed therein for producing an atomised spray, the cap 38 having an outer surface 62, and further fluid outlet means 70 whereby a curtain of fluid can be directed over at least part of the outer surface 62.
    Type: Application
    Filed: May 11, 2007
    Publication date: November 15, 2007
    Inventors: David Robert Percival, Frank Whittaker, Robert McCarthy
  • Patent number: 7252247
    Abstract: A self-cleaning spray nozzle, and in particular a self-cleaning spray nozzle for use in an apparatus for the preparation of a particulate material by a controlled agglomeration method, for example a method for controlled growth of particle size. The apparatus is especially suitable for use in the preparation of pharmaceutical compositions containing a therapeutically and/or prophylactically active substance which has a relatively low aqueous solubility and/or which is subject to chemical decomposition.
    Type: Grant
    Filed: December 22, 2003
    Date of Patent: August 7, 2007
    Assignee: LifeCycle Pharma A/S
    Inventors: Per Holm, Elo Nielsen
  • Publication number: 20030183703
    Abstract: A mixing device for outputting wet insulation is provided. The mixing device includes a nozzle and a plurality of control apertures that control penetration of a wetting material, such as foam with a binder, into insulation particles that are being forcibly moved through the nozzle. The control apertures can be used to provide a spray output and/or control the insulation density associated with the wet insulation output by the nozzle. The control apertures can be part of a primary conduit that can be adjustable or removable relative to a receiver space of the nozzle. Depending on the relative location of the control apertures in the nozzle receiver space, a desired insulation density can be achieved. Different primary conduits can also be provided having one or more of a different number of control apertures, sizes of the control apertures and positions thereof.
    Type: Application
    Filed: March 27, 2002
    Publication date: October 2, 2003
    Inventor: Henry Sperber
  • Publication number: 20020096579
    Abstract: In an airless dispensing system, liquids may be dispensed at variable angles from substantially 0° to as much as 50°-60°, by a simple adjustment made by a dispenser operator without ceasing operation or disassembling the dispenser apparatus. A variable angle liquid dispenser comprises a nozzle having a forward face with a dispensing orifice, a first passageway in the nozzle having a central axis intersecting the dispensing orifice, a plurality of angled second passageways in the nozzle, each angled second passageway having a central axis intersecting the dispensing orifice and the central axis of the first passageway, and a variable flow control adjustable to vary the flows of liquid entering the first passageway and the plurality of angled second passageways and to thereby vary the included angle of the liquid dispensed from the dispensing orifice and the width of liquid that may be applied to a substrate.
    Type: Application
    Filed: January 25, 2001
    Publication date: July 25, 2002
    Inventor: Steven Sinders
  • Patent number: 6409098
    Abstract: Apparatus and method for delivering single or multi-component material through a disposable delivery tube and atomizing the material into a spray pattern of substantially uniform dispersion. The apparatus includes a tubular manifold having an opening for receiving a disposable delivery tube with the exit end or nozzle of the delivery tube projecting out from the end of the manifold. A plurality of atomizer holes are formed in the end of the manifold surrounding the hole which receives the nozzle end of the delivery tube. A source of air under pressure is connected to direct air through the atomizer holes. An air cap is mounted to the manifold to direct air passing through the atomizer holes about the nozzle of the delivery tube to atomize the delivered material into a uniform spray pattern without the material coming into contact with either the manifold or the air cap.
    Type: Grant
    Filed: March 26, 2001
    Date of Patent: June 25, 2002
    Assignee: Rhino Linings USA, Inc.
    Inventors: Russell H. Lewis, Mihai A. Solomon
  • Patent number: 6375089
    Abstract: A multiple nozzle sprayer that includes a fixed or swing bracket assembly configured with a mounting bracket fixedly or adjustably attached by at least one pivot pin to an outwardly projecting angle arm. The mounting bracket is formed with a mounting pad, and the mounting bracket and the angle arm are each formed with at least one nozzle mounting portion. Also included are first and second nozzles mounted to the nozzle mounting portions and configured to project respective spray clouds to intersect. The first nozzle spray cloud is configured with a predetermined droplet size spectra that is greater than that of the second spray nozzle. The first nozzle can be further configured to spray a cloud of a carrier fluid and the second nozzle can be configured to spray an active fluid in a spray cloud that combines with the carrier fluid spray cloud.
    Type: Grant
    Filed: February 14, 2000
    Date of Patent: April 23, 2002
    Assignee: The Ohio State University
    Inventors: Robin A. J. Taylor, Andrew Charles Chapple
  • Patent number: 6360971
    Abstract: A method and an appliance are described for atomizing liquid fuel for a firing installation, preferably for a combustion chamber of a gas turbine installation, having a nozzle arrangement through which the pressurized liquid fuel passes and is atomized to form a fuel spray. The invention is characterized by the fact that after the passage of the fuel through the nozzle arrangement (3, 4), at least two, spatially separated fuel sprays (5, 6) are formed in which the fuel is mainly present in the form of individual fuel droplets (16), and in that the fuel sprays (5, 6) each have a propagation direction relative to one another such that the fuel droplets (16) of one fuel spray (5) collide with the fuel droplets (16) of the other fuel spray (6) in such a way that, during the collision of the fuel droplets (16), a droplet cloud (9) is formed with new fuel droplets (17) whose diameter is smaller than that of the colliding fuel droplets (16).
    Type: Grant
    Filed: November 12, 1999
    Date of Patent: March 26, 2002
    Assignee: Alstom
    Inventor: Jakob Keller
  • Patent number: 6341736
    Abstract: An air brush type sprayer includes a can with a base extending from the can and a liquid outlet member is threadedly connected to a top of the base. A tube connected between an interior of the can and the liquid outlet member. A nozzle assembly is connected to a compressor and a nozzle and a connection part both extend from the nozzle assembly. The connection part is snapped to the base so that the gap is easily adjusted by rotating the liquid outlet member.
    Type: Grant
    Filed: January 25, 2001
    Date of Patent: January 29, 2002
    Inventor: Cheng Liao
  • Patent number: 6267585
    Abstract: A plate burner for combusting hydrogen with air as an oxidizer forms a wall portion of a combustion chamber for example of a gas turbine. The plate burner is so constructed that air and hydrogen are separately guided to the downstream surface area facing into the combustion chamber for forming a large number of diffusive microcombustion flames, thus achieving a very low mixing scale simultaneously with a high nixing intensity. The number of diffusive micorcombustion flames is so selected that the NOx content in the exhaust gas from the combustion chamber is at the most 10×10−6 cubic foot per cubic foot of exhaust gas. The hydrogen enters the entrance area into the combustion chamber either through a porous wall, and air is injected into the hydrogen environment to form inverse diffusive microcombustion flames or the hydrogen is injected through a multitude of fine holes into high velocity air jets forming regular diffusion flames.
    Type: Grant
    Filed: May 7, 1999
    Date of Patent: July 31, 2001
    Assignee: DaimlerChrysler Aerospace Airbus GmbH
    Inventor: Friedemann Suttrop
  • Patent number: 6250567
    Abstract: Apparatus and method for delivering single or multi-component material through a disposable delivery tube and atomizing the material into a spray pattern of substantially uniform dispersion. The apparatus includes a tubular manifold having an opening for receiving a disposable delivery tube with the exit end or nozzle of the delivery tube projecting out from the end of the manifold. A plurality of atomizer holes are formed in the end of the manifold surrounding the hole which receives the nozzle end of the delivery tube. A source of air under pressure is connected to direct air through the atomizer holes. An air cap is mounted to the manifold to direct air passing through the atomizer holes about the nozzle of the delivery tube to atomize the delivered material into a uniform spray pattern without the material coming into contact with either the manifold or the air cap.
    Type: Grant
    Filed: November 30, 1999
    Date of Patent: June 26, 2001
    Assignee: Rhino Linings USA, Inc.
    Inventors: Russell H. Lewis, Mihai A. Solomon
  • Patent number: 6178570
    Abstract: The system includes a jet, a rotating member or “eyeball” housing a series of discharge nozzles that can be adjusted to vary the location of an outlet flow stream as well as the direction and speed of the eyeball's rotation. A high pressure water jet flows into the eyeball and exits through the discharge nozzles. Depending upon the adjustable orientation of the nozzles, relative to the rest of the eyeball, the eyeball can be rotated clockwise or counter-clockwise, and at varying speeds. The discharge nozzles are further positionable to permit them to be displaced in a common direction.
    Type: Grant
    Filed: October 8, 1998
    Date of Patent: January 30, 2001
    Assignee: B&S Plastics, Inc.
    Inventors: Sheldon Denst, Paul A. Dongo
  • Patent number: 6159442
    Abstract: Processes for use of a controlled continuous high pressure multiple reactant streams flowing into a chemical mixer/reactor. Individual reactant streams are pressurized to about 8,000 to 50,000 psi and achieve velocities up to about 250 meters/second in the final stage of the chemical mixer/reactor.
    Type: Grant
    Filed: August 5, 1998
    Date of Patent: December 12, 2000
    Assignee: MFIC Corporation
    Inventors: Jeffrey R. Thumm, Michael A. Lento, Jerome S. Higgins, David Lassen King, David Mark Ginter, Laurent DAny Kieken
  • Patent number: 6126086
    Abstract: An oscillating capillary nebulizer with electrospray which is capable of nebulizing a liquid sample flow at microflow and normal liquid flow rates. The oscillating capillary nebulizer with electrospray comprises a pair of coaxial capillary tubes which are friction-fit mounted by way of peek tubing ferrules. A source of electric potential is connected to the inner capillary for production of an electric field in the vicinity of the distal end of the inner capillary. The dimensions of the inner and outer capillary tubes are such that an annular spacing is created between the inner surface of the outer capillary tube and the outer surface of inner capillary tube. A liquid sample is introduced into the nebulizer through the inner capillary tube. A gas flow path is provided by the space between the inner and outer capillary tubes. The gas enters the gas flow path through a port in the side of the outer capillary tube. At least the inner capillary tube is made of flexible material.
    Type: Grant
    Filed: December 5, 1997
    Date of Patent: October 3, 2000
    Assignee: Georgia Tech Research Corp.
    Inventors: Richard F. Browner, Zhenyu Shou
  • Patent number: 5850971
    Abstract: A flow control device for mounting on a plural component spray gun for controlling the flow of short segments of fiberglass, liquid or powder, into a fan spray pattern of mixed components ejected from a nozzle of the spray gun. An internal passage in the flow control device is provided with a pair of resilient, rectangular plate members movable between open and throttling positions, so as to precisely control the flow of material into the fan spray pattern emitted by the spray gun. The pair of resilient plates are movable by adjusting screws passing through threaded openings formed in opposed side walls of the flow control device.
    Type: Grant
    Filed: March 28, 1997
    Date of Patent: December 22, 1998
    Inventor: Gary L. Smith
  • Patent number: 5848751
    Abstract: An oscillating capillary nebulizer which is capable of nebulizing a liquid sample flow at microflow liquid flow rates and which is capable of controlling the particle size and particle size distribution of the nebula. The oscillating capillary nebulizer comprises a pair of coaxial capillary tubes which are friction-fit mounted by way of peek tubing ferrules. The dimensions of the inner and outer capillary tubes are such that an annular spacing is created between the inner surface of the outer capillary tube and the outer surface of inner capillary tube. A liquid sample is introduced into the nebulizer through the inner capillary tube. A gas flow path is provided by the space between the inner and outer capillary tubes. The gas enters the gas flow path through a port in the side of the outer capillary tube. At least the inner capillary tube is made of flexible material. Preferably, the inner diameter of the inner capillary tube is small enough to provide jet flow of the liquid sample at low liquid flow rates.
    Type: Grant
    Filed: October 7, 1997
    Date of Patent: December 15, 1998
    Assignee: Georgia Tech Research Corporation
    Inventors: Lanqing Wang, Richard F. Browner
  • Patent number: 5725153
    Abstract: An oscillating capillary nebulizer which is capable of nebulizing a liquid sample flow at micro flow liquid flow rates and which is capable of controlling the particle size and particle size distribution of the nebula. The oscillating capillary nebulizer comprises a pair of coaxial capillary tubes which are friction-fit mounted by way of peek tubing ferrules. The dimensions of the inner and outer capillary tubes are such that an annular spacing is created between the inner surface of the outer capillary tube and the outer surface of inner capillary tube. A liquid sample is introduced into the nebulizer through the inner capillary tube. A gas flow path is provided by the space between the inner and outer capillary tubes. The gas enters the gas flow path through a port in the side of the outer capillary tube. At least the inner capillary tube is made of flexible material. Preferably, the inner diameter of the inner capillary tube is small enough to provide jet flow of the liquid sample at low liquid flow rates.
    Type: Grant
    Filed: January 10, 1995
    Date of Patent: March 10, 1998
    Assignee: Georgia Tech Research Corporation
    Inventors: Lanqing Wang, Richard F. Browner
  • Patent number: 5582348
    Abstract: An ultrasonic spray coating system includes a converter which converts high frequency electrical energy into high frequency mechanical energy thereby producing vibrations. The converter has a resonant frequency. A spray forming head is coupled to the converter and is resonant at the resonant frequency of the converter. The spray forming head has a spray forming tip and concentrates the vibrations of the converter at the spray forming tip. A source of high frequency alternating voltage is electrically connected to the converter and produces a controlled level of electrical energy at an operating frequency of the spray forming head and converter whereby the atomizing surface is vibrated ultrasonically. A liquid supply applicator is in close proximity with the spray forming tip and spaced therefrom. The liquid supply applicator has an output surface having an orifice therein and the output surface is in close proximity with the spray forming tip and spaced therefrom.
    Type: Grant
    Filed: April 25, 1995
    Date of Patent: December 10, 1996
    Assignee: Ultrasonic Systems, Inc.
    Inventors: Drew D. Erickson, Stuart J. Erickson
  • Patent number: 5564632
    Abstract: An air nozzle assembly for use in an associated combustion apparatus which includes a secondary air nozzle apparatus. The air nozzle apparatus may be a part of the windbox of an associated furnace. The apparatus includes a housing which has at least a part thereof disposed surrounding a first axis. The part has respective first second third and fourth cross-sectional areas at first, second, third and fourth axially spaced planes that are perpendicular to and axially spaced along the first axis of the part of the housing. The cross sectional area of each of the first second third and fourth cross-sectional areas each different from each other of the cross sectional areas. The apparatus also includes a diffuser member; apparatus for supporting the diffuser; and apparatus for moving the apparatus for supporting along a second axis, the second axis is parallel to the first axis. In some forms of the invention the diffuser member is a rotationally symmetrical object which may be a truncated conical body.
    Type: Grant
    Filed: December 27, 1994
    Date of Patent: October 15, 1996
    Assignee: Combustion Engineering, Inc.
    Inventor: George J. Prohazka
  • Patent number: 5429840
    Abstract: Apparatus and methods for producing intermittent, discrete patterns of foam coating material, onto discrete substrates or substrate areas, where the patterns have sharp, square leading and trailing edges, as well as side edges. A slot nozzle die has elongated air slots along the slot extrusion opening. Air flow is initiated from both air slots prior to the initiation of the foam flow. Also, the air flow is continued beyond that point in time when the foam flow ceases. The delays between the operations of the air flow and the foam coating flow are on the order of micro seconds. Alternatively, the lead and lag air start and stop times on each side of the foam coating material are different to control the exact disposition of the square cut-on and square cut-off coating edge on the substrate.
    Type: Grant
    Filed: May 26, 1994
    Date of Patent: July 4, 1995
    Assignee: Nordson Corporation
    Inventors: John Raterman, Jurgen Beneche, Arthur Cieplik, Thomas Burmester, Michael L. Gill
  • Patent number: 5409163
    Abstract: An ultrasonic spray coating system includes a converter which converts high frequency electrical energy into high frequency mechanical energy thereby producing vibrations. The converter has a resonant frequency. A spray forming head is coupled to the converter and is resonant at the resonant frequency of the converter. The spray forming head has a spray forming tip and concentrates the vibrations of the converter at the spray forming tip. A source of high frequency alternating voltage is electrically connected to the converter and produces a controlled level of electrical energy at an operating frequency of the spray forming head and converter whereby the atomizing surface is vibrated ultrasonically. A liquid supply applicator is in close proximity with the spray forming tip and spaced therefrom. The liquid supply applicator has an output surface having an orifice therein and the output surface is in close proximity with the spray forming tip and spaced therefrom.
    Type: Grant
    Filed: November 22, 1993
    Date of Patent: April 25, 1995
    Assignee: Ultrasonic Systems, Inc.
    Inventors: Drew D. Erickson, Stuart J. Erickson
  • Patent number: 5186388
    Abstract: A process and apparatus are provided for injecting dry lightweight particulate material into a stream of catalyzed resin. The dry lightweight particulate material is stored in a fluidizing tank. The fluidized dry particles are conveyed from the tank under a controlled vacuum created by a low pressure venturi pump. An anti-static conveying tube delivers the dry lightweight particulate material to an adjustable delivery tube which terminates with a nozzle. The nozzle delivers a low velocity controlled spray pattern which coincides with the stream of pressurized resin. The nozzle is positioned at an acute angle relative to the longitudinal axis of the resin stream and injects the dry lightweight particulate material into the stream. Within the venturi pump and opposite to the main low pressure, low volume inlet, is a second pressurized inlet. This inlet directly controls the degree of vacuum, thereby precisely determining the amount of dry lightweight particles delivered to the resin stream.
    Type: Grant
    Filed: August 16, 1991
    Date of Patent: February 16, 1993
    Assignee: Electrostatic Components, Inc.
    Inventors: Michael Chapman, Michael Sumple
  • Patent number: 5135169
    Abstract: A self cleaning, plug resistant, adjustable parameter feed distributing and delivery apparatus for a glass melter comprising a housing with a passage therethrough for a glass slurry, a cold finger within the passage for creating a dispersion pattern of the slurry, a movable slotted tube for controlling the confluence of air propellant and slurry in the passage, and a plurality of ribs that extend through the slots in the slotted tube to urge the slurry forward if it becomes stuck or resists forward movement. Coolant passages in the housing and the cold finger maintain the slurry temperature below that of the melter plenum. The cold finger is axially movable to adjust the dispersion pattern to the desired consistency. Other design features of size can be applied for use in situations requiring different parameters of pattern, particle size, rate, and feed consistencies. The device utilizes air as both a propellant and a surface cleansing mechanism.
    Type: Grant
    Filed: January 16, 1991
    Date of Patent: August 4, 1992
    Inventor: Daniel L. Mensink
  • Patent number: 4826084
    Abstract: Two concentric, liquid jets are discharged from a fluid spray apparatus into ambient gaseous surroundings to achieve either one of two purposes:1. sheath a high-speed, inner core jet with a low speed annular sheath jet against turbulence break-up through interaction with the surrounding air.2. cause the annular sheath jet to impact on the central core jet with radial momentum as dictated by the controlled pressure differential across the sheath jet and the distance-of-travel between the inner surface of the sheath jet and the surface of the core jet. The angle of spray and the velocity distribution throught he spray is determined by the relative velocities of the core jet and sheath jet and by the radial momentum developed in the sheath jet through variations in the pressure differential acting on it.
    Type: Grant
    Filed: September 26, 1986
    Date of Patent: May 2, 1989
    Inventor: Norman R. Wallace
  • Patent number: 4770117
    Abstract: A roving cutting steering mechanism for use with a plural component spray gun for producing fiberglass reinforced products. A roving cutter is mounted on a plural component spray gun with a support plate and a bracket which is easily vertically adjustable by loosening a bolt mounting the bracket on the gun body. Horizontal adjustment is provided by a cam fitting a slot in the end of a bracket which shifts a mounting plate horizontally. The roving cutter being mounted on the plate is steered to align the path of cuttings ejected from the roving cutter to the optimum position for intersecting the fluid path of material being sprayed by the spray gun. Quick easy adjustment both vertically and horizontally of a roving cutter allows optimizing the mixture of roving cuttings with a spray of plural components being applied to a surface.
    Type: Grant
    Filed: March 4, 1987
    Date of Patent: September 13, 1988
    Assignee: Binks Manufacturing Company
    Inventors: Robert D. Hetherington, James E. Cavanaugh
  • Patent number: 4728036
    Abstract: An atomizing nozzle assembly is provided having an outwardly diverging frustrum of a cone shaped, deflector core of wear resistant ceramic, a nozzle rim of wear resistant ceramic encircling the core and coextensive with a downstream portion thereof to form a mixing zone therewith for receiving liquid-to-be-atomized therein from an unobstructed passage and atomizing fluid directing the liquid-to-be-atomized away from the core. The mixing zone leads to a nozzle orifice outlet. The core is mounted in a core holder and is adjustable by a screw thread, in close proximity to the mixing zone, to adjust the width of the mixing zone. The liquid-to-be-atomized (e.g. a coal slurry fuel) and the atomizing fluid (e.g. air) are fed along coaxial tubes which are slidably mounted by glands to accommodate differential expansions.
    Type: Grant
    Filed: November 17, 1986
    Date of Patent: March 1, 1988
    Assignee: National Research Council of Canada
    Inventors: Adam J. Bennett, Charles E. Capes, John D. Hazlett, Kevin A. Jonasson, William L. Thayer
  • Patent number: 4534511
    Abstract: A flocking machine system is described which enables the operator to spray almost dustless by virtue of an adjustable atomized pressurized liquid pattern which encircles a separately issued flock from a handgun applicator. The operator is also able to quickly and conveniently convert to different colored flock spraying by virtue of a portable cart containing jugs of various colored liquid which can be connected to the handgun as a source of pressurized liquid carrier for the flock.
    Type: Grant
    Filed: May 13, 1983
    Date of Patent: August 13, 1985
    Assignee: Sullivan Mfg. & Sales Corp.
    Inventor: Hack A. Sullivan
  • Patent number: 4404173
    Abstract: An improved method and apparatus for producing a dispersion of substantially immiscible liquids which employs a conduit having an upstream section divided into first and second channels of variable length and a downstream section for mixing the liquids. The apparatus also includes means for varying the length of the first and second channels and means for flowing the liquids separately through the channels whereby the liquids mix in the downstream section of the conduit to form the dispersion. In accordance with one embodiment, a conventional mixer-settler is modified to include the conduit mounted at an upstream end of the settling chamber so that its inlet is adjacent the mixing chamber and its outlet is approximately at the same height as the organic-aqueous interface in the settling chamber.
    Type: Grant
    Filed: September 24, 1980
    Date of Patent: September 13, 1983
    Assignee: UNC Recovery Corporation
    Inventors: Ernst C. Bailey, William E. Vickers, Donald B. Stain
  • Patent number: 4377985
    Abstract: A method and a system are provided for producing a continuous liquid spray curtain which, when sprayed onto a moving surface, covers essentially the entirety of that surface without substantial streaking thereof. The subject spray curtain is produced by discharging a continuous air curtain at a relatively high velocity of at least 600 feet per second. A plurality of liquid streams are at the same time discharged from a liquid discharge means at a relatively low velocity of not more than about 20 feet per second. The air curtain contacts the liquid streams at a minimum contact angle of between about -10.degree. and about +30.degree., measured from the center line of the liquid discharge means. The contacting air curtain atomizes the liquid streams and forms the subject high velocity, uniform, liquid spray curtain.
    Type: Grant
    Filed: August 6, 1981
    Date of Patent: March 29, 1983
    Assignee: Crown Zellerbach Corporation
    Inventor: Imants Reba
  • Patent number: 4334854
    Abstract: The present invention relates to a method of controlling a substantially stoichiometric combustion of liquid fuels in a burner assembly wherein a stream of compact or atomized fuel is produced by means of an orifice or nozzle (e.g. injection, pressure, rotary atomizing nozzle) and fed into a mixing and atomizing zone in accordance with the preferably adjustable, nozzle input pressure, wherein at least part of the combustion air as an atomizing medium is introduced from the side of the axis of the fuel stream, with the flow of such air being adapted to be controlled with respect to throughput (flow rate) and flow velocity, and including a subsequent combustion of the fuel/air mixture within a combustion zone downstream of said mixing zone.
    Type: Grant
    Filed: June 21, 1978
    Date of Patent: June 15, 1982
    Assignee: Smit Ovens Nijmegen B.V.
    Inventors: Johannes W. Graat, Hans J. Remie
  • Patent number: 4331087
    Abstract: A method for forming a turbulent suspension from a pulverous material and reaction gas by causing the pulverous material to flow downwards as an annular flow into the reaction chamber and by directing the reaction gas downwards inside the annular flow of the pulverous material, in which the suspension is produced by bringing the reaction gas into a high-force rotary motion and by then causing it, throttled, to discharge into the reaction chamber so that in the reaction chamber it meets on its outside a substantially vertically downward annular flow of the pulverous material, this flow being formed by utilizing the kinetic energy of the falling pulverous material on a convergent conical glide surface.
    Type: Grant
    Filed: December 20, 1979
    Date of Patent: May 25, 1982
    Assignee: Outokumpu Oy
    Inventors: Kalevi J. Kunttu, Launo L. Lilja, Valto J. Makitalo
  • Patent number: 4262371
    Abstract: An outlet for use with spa pools or the like where water and air are mixed by a "Venturi Pump" to provide a water/air stream, the outlet having a direction control device for controlling the direction of the water/air stream, the "Venturi Pump" being located within the direction control device.
    Type: Grant
    Filed: January 31, 1979
    Date of Patent: April 21, 1981
    Inventors: Desmond J. Berry, Larry Blankfield
  • Patent number: 4224282
    Abstract: A composite injector is provided for handling the introduction to a thick-walled, high pressure polymerization autoclave of both monomer and catalyst streams. Said injector comprises an inner, separately enclosed, high pressure catalyst conduit of relatively small cross-section terminating in a fine orifice at its downstream end which substantially coincides with the inner wall boundary of said autoclave, and, surrounding the upstream portion of said catalyst conduit at least, a pressure-tight outer housing of much larger inner cross-section having an upstream monomer supply connection and a downstream fitting for sealing engagement with a matched opening through said thick-walled autoclave. By introducing the catalyst and the monomer through their respective separate passageways of this composite injector, the resultant catalyst stream is released into the monomer stream just as said streams are both emerging into the open space beyond the inner wall boundary of said autoclave.
    Type: Grant
    Filed: November 8, 1976
    Date of Patent: September 23, 1980
    Assignee: El Paso Polyolefins Company
    Inventors: Robert B. Steinert, William A. Schuessler
  • Patent number: 4203553
    Abstract: An elongated burner, which produces a stream of metal oxide soot, comprises three adjacent housings. A centrally disposed housing contains a linear array of orifices for issuing a gas-oxygen mixture to produce a linear flame. Disposed on opposite sides of the central housing are two housings having orifices for issuing into the flame two linear streams of metal halide vapor. Gaps between the central and outer housings permit air to be aspired for stabilizing the flame. Additional flame stabilization may be achieved by providing a shield along the entire perimeter of the halide vapor streams to prevent the random aspiration of air into the sides of the flame.
    Type: Grant
    Filed: June 27, 1977
    Date of Patent: May 20, 1980
    Assignee: Corning Glass Works
    Inventors: David L. Bachman, Peter P. Bihuniak
  • Patent number: 4171096
    Abstract: A nozzle for a spray gun for depositing liquid on a work surface including a body having a channel communicating with a dispensing tip for the liquid, an assembly for attaching the body to the spray gun such that the liquid supplied from the spray gun is introduced into the channel of the body, a passage for the transmittal of pressurized air from the spray gun to a position proximate the dispensing tip, and an air cap circumposed about the dispensing tip having a plurality of orifices therein communicating with the passage for directing pressurized air jets axially of the air cap, whereby the liquid emitted from the dispensing tip is entrained within the confines of the pressurized air jets and deposited on the work surface.
    Type: Grant
    Filed: May 26, 1977
    Date of Patent: October 16, 1979
    Assignee: John Welsh
    Inventors: John Welsh, John V. Havrilla, John W. Havrilla
  • Patent number: 4112026
    Abstract: An apparatus for generating bubbles in a liquid is disclosed which has a liquid spouting nozzle element for violently spouting a pressurized liquid, an impact disperser for generating a dispersion stream of the pressurized liquid directed into the liquid surrounding the impact disperser when the spouted pressurized liquid impinges upon the disperser and a gas supplier for supplying and guiding a stream of gas to a region surrounding the impact disperser thereby causing the gas stream to be dragged into the dispersion liquid stream. The gas dragged into the dispersion liquid stream is dispersed in the liquid and converted into fine bubbles.
    Type: Grant
    Filed: September 27, 1976
    Date of Patent: September 5, 1978
    Assignee: Mitsubishi Precision Co., Ltd.
    Inventor: Toshiharu Kumazawa
  • Patent number: 4084934
    Abstract: A nozzle for mixing a high pressure gas, a liquid fuel and water and finely dividing the latter two is connected in fluid communication with another nozzle facing an impact disperser. The mixture spouted through the latter nozzle collides with the impact disperser to be dispersed into a combustion chamber. A stream adjustment disposed around the second nozzle encircles the disperser to determine an angle at which the finely divided fuel and liquid particles are dispersed in the combustion chamber. Also an apertured paraboloidal surface encircling a nozzle can oppose to a cavity resonator to generate an impulsive wave with a high pressure gas spouted through the nozzle to finely divide liquid particles from that nozzle in the form of an emulsion.
    Type: Grant
    Filed: May 30, 1975
    Date of Patent: April 18, 1978
    Assignee: Mitsubishi Precision Co., Ltd.
    Inventor: Toshiharu Kumazawa