Concentric Flow Paths Patents (Class 239/416.4)
  • Patent number: 10274201
    Abstract: A fuel injector for a gas turbine engine is disclosed. The fuel injector includes two primary tubes, a secondary tube, a primary gas gallery, and a secondary gas gallery. The two primary tubes are connected in a parallel configuration to provide a main gas fuel to the primary gas gallery. The secondary tube provides the main gas fuel to the secondary gas gallery independent from the two primary tubes and the primary gas gallery. The primary gas gallery and the secondary gas gallery provide the main gas fuel to a premix passage independently allowing for robust control of the gas turbine engine.
    Type: Grant
    Filed: January 5, 2016
    Date of Patent: April 30, 2019
    Assignee: Solar Turbines Incorporated
    Inventors: Sean Kelly Spivey, Donald James Cramb, James Scott Piper, Michael John Ramotowski
  • Patent number: 9707573
    Abstract: A water dispensing apparatus includes a dispensing body including a nozzle, a control valve including a water sealing member and a pusher member, an actuation member coupled to the pusher member, and a control unit to drive the control valve to rotate. When the control valve is driven to rotate, the pusher member is driven to move correspondingly to reciprocatingly move the actuation member at different locations of the nozzle not only for switching on-and-off the control valve but also for controllably shifting different water spraying patterns of the nozzle. Therefore, is able to easily control different operations of the water dispensing apparatus in one single continuous action of the control unit.
    Type: Grant
    Filed: January 19, 2016
    Date of Patent: July 18, 2017
    Assignee: YUAN-MEI CORP.
    Inventor: Po-Chao Huang
  • Patent number: 9420875
    Abstract: An in-bay car wash tire dressing applicator and system is provided. The applicator has a housing having a nozzle portion having an internal atomizer for tire shine fluid. The atomizer receives the tire shine fluid and pressurized air flow from a pump and mixes the two at the distal tip of the applicator for optimal spraying of the tire shine fluid. A brush located at a distal end of the nozzle allows a user to evenly and smoothly apply the tire shine fluid to the tire of an automobile. The brush may be located at a forty-five degree angle with respect to the main shaft of the tire dressing applicator so as to better apply the tire shine to the tire.
    Type: Grant
    Filed: March 30, 2015
    Date of Patent: August 23, 2016
    Assignee: DISKIN SYSTEMS, INC.
    Inventor: Troy Diskin
  • Patent number: 9028680
    Abstract: A method and system for handling viscous liquid crude hydrocarbons is disclosed. The method involves (a) solvent deasphalting at least a portion of an asphaltene-containing liquid crude hydrocarbon feedstock to form an asphaltene fraction and a deasphalted oil (DAO) fraction essentially free of asphaltenes; (b) adjusting the density of the asphaltene fraction to substantially the same density of a carrier for the asphaltene fraction; (c) forming coated asphaltene particles from the asphaltene fraction of step (b); (d) slurrying the coated asphaltene particles with the carrier; and (e) transporting the slurry to a treatment facility or a transportation carrier.
    Type: Grant
    Filed: October 14, 2010
    Date of Patent: May 12, 2015
    Assignee: Chevron U.S.A. Inc.
    Inventors: Gunther Hans Dieckmann, John Segerstrom, Cesar Ovalles, Estrella Rogel, Vasudevan Sampath, Donald L. Kuehne, Hariprasad Janakiram Subramani, Dennis John O'Rear
  • Patent number: 8985478
    Abstract: A spray nozzle for two-component flue gas cleaning nozzles. The spray nozzle includes an output or mixing chamber and at least two through bores which lead to the output or mixing chamber and are each connected to a fluid line. At least one through bore is embodied in such a way that it is self-cleaning and/or a cleaning device is provided for at least one through bore.
    Type: Grant
    Filed: February 20, 2013
    Date of Patent: March 24, 2015
    Inventor: Dieter Wurz
  • Patent number: 8960571
    Abstract: A pressurized air assisted liquid spray nozzle assembly having a liquid spray nozzle having a downstream discharge orifice for discharging a solid stream of liquid, an air guide mounted in surrounding relation to a downstream end of said liquid spray nozzle, and an outer nozzle body disposed in surrounding relation to said air guide. The air guide defines a first plurality of air passages for directing pressurized atomizing air transversely to liquid discharging from said liquid spray nozzle for atomizing the discharging liquid and a second plurality of air passages for directing shaping air tangentially to liquid discharging from said liquid spray nozzle for shaping the atomized liquid particles into a predetermined conical spray pattern.
    Type: Grant
    Filed: August 17, 2012
    Date of Patent: February 24, 2015
    Assignee: Spraying Systems Co.
    Inventor: James Haruch
  • Patent number: 8622322
    Abstract: A liquid dispensing apparatus includes a container having a compressible section and a tip section extending from the compressible section. The compressible section is compressible in response to actuation. The dispensing apparatus further includes a nozzle member coupled to the container that includes an orifice. Finally, the dispensing apparatus includes a fluidic channel providing fluid communication between the volume and the orifice that includes a spin chamber for imparting a spinning motion to the liquid to atomize the liquid prior to urging the liquid out of the orifice.
    Type: Grant
    Filed: January 5, 2011
    Date of Patent: January 7, 2014
    Assignee: Amcor Limited
    Inventor: Don F. Yeager
  • Patent number: 8602634
    Abstract: A feeding device for feeding a chemical into a process liquid flowing through a process liquid flow duct, the feeding device includes: a feeding liquid duct having a discharge opening; a mixing liquid feed duct extending through the feeding liquid duct, a sidewall and a closed end wall, wherein the end wall extends beyond the discharge opening of the feeding liquid duct and extending into the process liquid flow duct; a mixing space adjacent the end wall and within the sidewall of the mixing liquid feed duct; a chemical feed duct extending through the mixing liquid feed duct and having a discharge opening proximate to the mixing space in the mixing liquid feed duct, and a mixture discharge opening in the side wall of the mixing liquid feed duct.
    Type: Grant
    Filed: October 5, 2004
    Date of Patent: December 10, 2013
    Assignee: Wetend Technologies Oy
    Inventor: Jouni Matula
  • Patent number: 8453945
    Abstract: A spray nozzle for two-componet flue gas cleaning nozzles. the spray nozzle includes an output or mixing chamber and at least two through bores which lead to the output or mixing chamber and are each connected to a fluid line. At least one through bore is embodied in such a way that it is self-cleaning and/or a cleaning device is provided for at least one through bore.
    Type: Grant
    Filed: May 5, 2006
    Date of Patent: June 4, 2013
    Inventor: Dieter Wurz
  • Patent number: 8393555
    Abstract: A moistening nozzle of a paper web comprises a frame into which air and water are fed. Inside the frame there is arranged a water nozzle wherewith water is conducted to an outlet of the moistening nozzle and an air nozzle wherewith air is correspondingly conducted to the outlet. The air nozzle and the water nozzle are arranged one within the other such that the air and the water form water mist that is sprayed out from the moistening nozzle. The air nozzle is provided with a thread that brings the air in swirling motion. The air nozzle comprises a sleeve part with an opening through which air is discharged and in said opening there is arranged a piece that is an integral part of the frame of the moistening nozzle, whereby a part of the moistening nozzle frame forms an inner edge of the air gap provided by said piece and the sleeve part.
    Type: Grant
    Filed: July 6, 2006
    Date of Patent: March 12, 2013
    Assignee: Metso Automation Oy
    Inventors: Hannu Niemela, Niko Posti, Jari Almi
  • Patent number: 8348180
    Abstract: A method of manufacturing gas and/or fuel swirlers for fuel injectors and combustor domes and cone-shaped swirlers so manufactured are disclosed. The disclosed conical swirlers feature cut-through slots on a cone-shaped body. The contour and spacing of the slots are configured and arranged to accommodate a wide range of requirements for fluid flow areas and swirl strengths. Preferably, the cone-shaped swirlers can be manufactured by wire EDM processing. More preferably, multiple cone-shaped swirlers can be manufactured simultaneously by nesting swirler blanks in a stack and wire EDM processing the stack as a unit. The cone-shaped pinwheel swirler fits well into various fuel injector heads, enabling the injectors to reduce the frontal surface area and flat area for minimal potential of carbon formation.
    Type: Grant
    Filed: June 9, 2004
    Date of Patent: January 8, 2013
    Assignee: Delavan Inc
    Inventors: Chien-Pei Mao, John Short
  • Patent number: 8336313
    Abstract: A unitary distributor is disclosed, comprising at least one main flow passage located within a distributor ring body, the main flow passage having an arcuate portion oriented in a circumferential direction around a distributor axis. Exemplary embodiments of a unitary distributor having an annular ring located at the axially forward end of the distributor ring body are disclosed. A fuel distributor is disclosed, comprising a fuel conduit and a distributor wherein the fuel distributor has a unitary construction.
    Type: Grant
    Filed: July 30, 2008
    Date of Patent: December 25, 2012
    Assignee: General Electric Company
    Inventors: Marie Ann McMasters, Michael A. Benjamin, Alfred Mancini
  • Patent number: 8104695
    Abstract: A fuel injector for injecting fuel into a gasifier includes a mating end including a nozzle portion and a first flange fixedly coupled to the mating end and having a first receiving hole there through and including a first diaphragm disposed therein. The injector also includes a fuel transmission nozzle displaced at least partially within the mating end and passing through the first receiving hole arranged and configured such that a secondary oxygen channel exists between the fuel transmission nozzle and the mating end, the fuel transmission nozzle being fixedly coupled to the first diaphragm and further including a fuel inlet for receiving fuel for introduction into the gasifier.
    Type: Grant
    Filed: March 18, 2009
    Date of Patent: January 31, 2012
    Assignee: General Electric Company
    Inventors: Monty Lee Harned, Doug Scott Byrd, Paul Stephen Dimascio, Shashishekara Sitharamarao Talya
  • Patent number: 8087928
    Abstract: A burner head is constructed with adjacent gas delivery tubes of different geometric cross-section shapes which are mechanically held in place radially. The tubes touch in a longitudinal direction at points along their respective inner and outer circumferences so that precise axial alignment whether coaxial or axially offset, is achieved while preserving the necessary laminar gas flow. This configuration greatly speeds the production time which allows economical burners to be produced even when a greater number of faceplate jets is desired. The tube-to-tube contact is also beneficial to the operation of the burner by providing a heat transfer path away from the innermost tube, which prevents overheating. Examples of the simplest geometric tube shapes employed are, for example, a square within a circle, or conversely, a circle within a square.
    Type: Grant
    Filed: March 25, 2009
    Date of Patent: January 3, 2012
    Inventors: Wallace E. Horn, William A. Horn
  • Patent number: 8002203
    Abstract: A fire fighting nozzle for extinguishing industrial scale fires including improved automatic pressure regulating features, enhanced educting features including central and peripheral channeling for foam concentrate, and combining with a capacity to throw dry chemical. Improved pressure regulating features include a double acting baffle and preferably a relief valve. Method and apparatus for automatically metering an additive such as foam concentrate into a conduit having a variably flowing fire fighting fluid therethrough, the conduit including a discharge device, proximate or downstream.
    Type: Grant
    Filed: December 2, 2005
    Date of Patent: August 23, 2011
    Inventors: Dennis W. Crabtree, Duane J. Brinkerhoff, Dwight P. Williams
  • Patent number: 7942613
    Abstract: The pistol is used for injecting through a hole a sealing product formed by a mixture of at least two solutions. It comprises a tubular injection system which is fed, notably under pressure, with each of said solutions, and which ends with an injection head capable of penetrating into the injection hole. The tubular system includes for each solution, an independent transfer conduit emerging from the end of the injection head, so that the mixing of the solutions is performed outside the injection head. Preferably, the first transfer conduit is a tube with a circular cross-section and the other transfer conduit(s) has(have) an annular cross-section, being delimited by one or several tubes arranged concentrically around the first transfer conduit.
    Type: Grant
    Filed: May 30, 2006
    Date of Patent: May 17, 2011
    Inventor: Charline Lemaire
  • Patent number: 7863560
    Abstract: The invention concerns a nebuliser with nanometric flow rate of a liquid effluent in a nebulising gas comprising at least arranged substantially concentric, a capillary tube for intake of the liquid effluent and a nebulising needle including a central channel fed with liquid effluent through the capillary tube, a chamber for intake of the nebulising gas feeding a nozzle for expelling the nebulising gas, the nebulising needle passing through the intake chamber and the nozzle expelling the nebulising gas, the nebulising needle including a outlet for the liquid effluent whereof the aperture diameter is less than 20 ?m, the ratio of the diameter of the outlet of the nozzle expelling the nebulising gas and the outlet of the nebulising needle being more than 10 The inventive nanometric flow rate nebuliser and nebulising installation are applicable in mass spectrometry of trace elements contained in intracellular or microbiological medium for example.
    Type: Grant
    Filed: June 1, 2006
    Date of Patent: January 4, 2011
    Assignees: Centre National de la Recherche Scientifique -CNRS-, Universite de Pau et des Pays de l'Adour
    Inventors: Dirk Schaumlöffel, Pierre Giusti, Joanna Szpunar, Ryszard Lobinski
  • Patent number: 7762061
    Abstract: A method of operating an emission abatement system includes advancing a liquid agent to an atomizing nozzle and advancing pressurized air to the atomizing nozzle. The method further includes impinging the pressurized air on the liquid agent at a tip of the atomizing nozzle to shear liquid agent particles from the liquid agent. The method further includes advancing the liquid agent particles through the atomizing nozzle to an emission abatement device. An emission abatement system and atomizer apparatus are also disclosed herein.
    Type: Grant
    Filed: April 9, 2007
    Date of Patent: July 27, 2010
    Assignee: EMCON Technologies LLC
    Inventors: Nicholas J. Birkby, Clive D. Telford, Graham K. Hargrave
  • Patent number: 7757964
    Abstract: An air cap for keeping a spray nozzle with a flat spray clean is presented. The air cap contain the nozzle and has a slit for the spray from the nozzle, through which opening an air flow is flowing in the same direction as the flat spray from the nozzle. The air cap is divided into a back component comprising an internal thread, and a front component comprising the slit. The components are rotatable relative to one another.
    Type: Grant
    Filed: June 8, 2004
    Date of Patent: July 20, 2010
    Assignee: Baldwin Jimek AB
    Inventor: Birger Hansson
  • Patent number: 7571603
    Abstract: The invention relates to a metering system for injecting pollutant reducing medium into an exhaust system includes a metering pump, and at least one self-opening nozzle for injecting fluidic media into the exhaust gas system. The nozzle is self-opening with a needle chamber, a nozzle needle and a spring chamber with a spring element. The needle chamber and spring chamber are separated by a flexible membrane which prevents fluidic media from escaping from the needle chamber into the spring chamber, and also permits an excess pressure to prevail in the needle chamber in relation to the spring chamber, causing the nozzle needle to be displaced in opposition to a spring force, thus releasing a nozzle opening. The inventive metering system is cost-effective, robust and can also be used at low operating temperatures.
    Type: Grant
    Filed: September 9, 2005
    Date of Patent: August 11, 2009
    Assignee: Robert Bosch GmbH
    Inventors: Wolfgang Ripper, Johannes Schaller, Markus Buerglin, Ulrich Meingast, Dirk Heilig
  • Patent number: 7497077
    Abstract: An aqueous urea dosing system has a first tube through which the urea solution is conveyed to a small mixing chamber. Compressed air is continuously conveyed through an annular space between the outer surface of the first tube and the inner surface of a second tube which has a distal end that extends beyond a distal end of the first tube. The mixing chamber is positioned between the respective distal ends of the first and second tubes. The urea solution is discharged into the small mixing chamber, and subsequently immediately into an exhaust gas, in a series of discreet pulses, the width and period of which are controlled by a pulse-width-modulated flow control valve spaced from the exhaust gas.
    Type: Grant
    Filed: July 26, 2006
    Date of Patent: March 3, 2009
    Assignee: Southwest Research Institute
    Inventors: Lee G. Dodge, Paul H. Kunkel
  • Patent number: 7497387
    Abstract: A system for spraying and a method for making same. The system for spraying may comprises a sprayer having a sprayer body comprising a spray fluid passageway extending longitudinally through the sprayer body. The sprayer may also have a spray fluid inlet fitting to enable a hose operable to convey a spray fluid to be coupled to the sprayer body. In addition, the sprayer may also have a first air fitting to enable a first hose operable to convey pressurized air to be coupled to the sprayer body to trigger the sprayer to spray the spray fluid. The sprayer may have a second air fitting to enable a second hose operable to convey pressurized be coupled to the sprayer body to atomize the spray fluid. The spray fluid inlet fitting, the first air fitting, and the second air fitting are angled at an acute angle relative to the spray fluid passageway extending longitudinally through the sprayer body.
    Type: Grant
    Filed: April 20, 2004
    Date of Patent: March 3, 2009
    Assignee: Illinois Tool Works Inc.
    Inventor: Christopher L. Strong
  • Patent number: 7464766
    Abstract: A self-metering, automatic (i.e. pressure regulating) industrial-scale fire fighting nozzle, with or without self-eduction, for self-metering a concentrate in accordance with varying liquid flow through the nozzle occasioned by the pressure regulating, with additional features of having a “ratio selectable” means for self-metering for different selected additive concentrations or mixing ratios and of having a mechanical flowmeter.
    Type: Grant
    Filed: October 2, 2003
    Date of Patent: December 16, 2008
    Assignee: Williams Fire & Hazard Control, Inc.
    Inventors: Dennis W. Crabtree, Dwight P. Williams
  • Patent number: 7252243
    Abstract: Method and apparatus for uniformly injecting a fluid stream into a gas stream at elevated temperature by means of an injection nozzle comprising a nozzle head and a supply inner tube being concentrically surrounded with an outer casing tube spaced apart from the inner supply tube. It comprises passing the fluid stream through the inner tube and the nozzle head and maintaining temperature of the fluid stream in the inner tube by providing thermal insulation in at least part of an annular space between the inner tube and the outer tube. Further it comprises maintaining a constant flow of the fluid inside the inner tube and nozzle head by plugging the nozzle head at outlet end and spraying the fluid stream through a number of nozzle holes provided in the nozzle head adjacent to the outlet end of the nozzle head.
    Type: Grant
    Filed: February 3, 2005
    Date of Patent: August 7, 2007
    Assignee: Haldor Topsoe A/S
    Inventors: Ingvard Bjørn, Pär Gabrielsson
  • 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
  • Patent number: 7140552
    Abstract: A fire fighting nozzle for extinguishing industrial scale fires including improved automatic pressure regulating features, enhanced educting features including central and peripheral channeling for foam concentrate, and combining with a capacity to throw dry chemical. Improved pressure regulating features include a double acting baffle and preferably a relief valve. Method and apparatus for automatically metering an additive such as foam concentrate into a conduit having a variably flowing fire fighting fluid therethrough, the conduit including a discharge device, proximate or downstream.
    Type: Grant
    Filed: June 14, 2000
    Date of Patent: November 28, 2006
    Assignee: Williams Fire & Hazard Control, Inc.
    Inventors: Dennis W. Crabtree, Duane J. Brinkerhoff, Dwight P. Williams
  • Patent number: 7128276
    Abstract: The use of a turbulent contactor to absorb a selected gas component from a gas stream. The invention particularly applies to a method of distributing a liquid into a gas stream which comprises providing a liquid to an annulus at the periphery of a pipe in which a gas stream is flowing, the gas flow drawing the liquid into a film along the inner surface of the pipe to a sharp edge at the end of the pipe at which point the liquid breaks off the surface of the pipe and mixes intimately with the gas.
    Type: Grant
    Filed: June 29, 2001
    Date of Patent: October 31, 2006
    Assignee: Statoil ASA
    Inventors: Finn Patrick Nilsen, Harald Linga, Rune Fantoft, Inge Sverre Lund Nilsen, Geir Inge Eide
  • Patent number: 7124965
    Abstract: A spraying gun includes a gun body, a handle, a sealing gasket, a connecting member, a control valve, a control handle, an outer control tube, a control shaft, a catch block, an inner control tube, a control ring, a drive ring, and a nozzle assembly. The nozzle assembly includes a nozzle head, a first mounting ring, a second mounting ring, and a rotation ring. Thus, the spraying gun has a three-stage control effect to provide different water output functions so as to fit a user's practical requirements, thereby enhancing the versatility of the spraying gun.
    Type: Grant
    Filed: September 27, 2004
    Date of Patent: October 24, 2006
    Assignee: Shin Tai Spurt Water of the Garden Tools Co., Ltd.
    Inventor: Chin-Yuan Chen
  • Patent number: 7100366
    Abstract: An apparatus for posttreatment of exhaust gases of an internal combustion engine, using a reducing agent to be introduced into the exhaust gases, in particular a urea or a urea-and-water solution, having an improved mixing chamber into which stored reducing agent, via a reducing agent line, and compressed air via a compressed air line can be introduced to create a reducing agent-air mixture, and means for preventing a reverse flow of reducing agent or reducing agent-air mixture from the mixing chamber into the compressed air line are provided which have a spring-loaded sealing hose. This arrangement assures secure sealing off of an attachable compressed air system from the corrosive reducing agent.
    Type: Grant
    Filed: March 27, 2002
    Date of Patent: September 5, 2006
    Assignee: Robert Bosch GmbH
    Inventors: Bernhard Hager, Sven Huber, Gerhard Mueller, Michael Offenhuber
  • Patent number: 7051956
    Abstract: Disclosed is a device for increasing entrainment and mixing in an air/fuel zone of a direct fuel injection system. The device comprises an ejector nozzle in the form of an inverted funnel whose central axis is aligned along the central axis of a fuel injector jet and whose narrow end is placed just above the jet outlet. It is found that effective ejector performance is achieved when the ejector geometry is adjusted such that it comprises a funnel whose interior surface diverges about 7° to about 9° away from the funnel central axis, wherein the funnel inlet diameter is about 2 to about 3 times the diameter of the injected fuel plume as the fuel plume reaches the ejector inlet, and wherein the funnel length equal to about 1 to about 4 times the ejector inlet diameter. Moreover, the ejector is most effectively disposed at a separation distance away from the fuel jet equal to about 1 to about 2 time the ejector inlet diameter.
    Type: Grant
    Filed: March 19, 2004
    Date of Patent: May 30, 2006
    Assignee: Sandia Naitonal Laboratories
    Inventor: Ansis Upatnieks
  • Patent number: 7048207
    Abstract: A fire fighting nozzle for extinguishing industrial scale fires including improved automatic pressure regulating features, enhanced educting features including central and peripheral channeling for foam concentrate, and combining with a capacity to throw dry chemical. Improved pressure regulating features include a double acting baffle and preferably a relief valve.
    Type: Grant
    Filed: May 14, 2002
    Date of Patent: May 23, 2006
    Assignee: Williams Fire & Hazard Control, Inc.
    Inventors: Dennis W. Crabtree, Dwight P. Williams
  • Patent number: 6869031
    Abstract: A three-stream atomizing nozzle that has an air stream divider that separates the atomizing air from the source into three streams. The first stream is a straight air stream staying closest to and around the atomized water jet. The second stream is a swirl running around the first straight stream. The third stream is also a straight stream that wraps around the first straight stream and the second swirl. The nozzle also has a mixing chamber in which the three air streams are mixed together for the atomizing purpose. From the combination of the three air streams the nozzle can produce fine water droplets that are suitable for many uses and more importantly creates a tailorable water mass profile. The mass profile can be tailored into a shape that is close to a square shape which creates minimal coupling between adjacent zones.
    Type: Grant
    Filed: May 5, 2003
    Date of Patent: March 22, 2005
    Assignee: ABB Ltd.
    Inventor: Shizhong Duan
  • Patent number: 6749027
    Abstract: A fire fighting nozzle for extinguishing industrial scale fires including improved automatic pressure regulating features, enhanced educting features having central (110) and peripheral channeling (94) for foam concentrate, combined with a capacity to throw dry chemicals. The improved pressure regulating features include a spring (50) loaded double acting baffle (13), that is positioned by fire fighting fluid in communication with a hydraulic chamber, the hydraulic chamber is preferably controlled by a relief valve (42).
    Type: Grant
    Filed: April 15, 1999
    Date of Patent: June 15, 2004
    Inventors: Dennis W. Crabtree, Dwight P. Williams
  • Patent number: 6588230
    Abstract: Burners (40) for producing fused silica boules are provided. The burners employ a tube-in-tube (301-306) design with flats (56, 50) on some of the tubes (305, 301) being used to limit the cross-sectional area of certain passages (206, 202) within the burner and/or to atomize a silicon-containing, liquid source material, such as OMCTS. To avoid the possibility of flashback, the burner has separate passages for fuel (205) and oxygen (204, 206), i.e., the burner employs nozzle mixing, rather than premixing, of the fuel and oxygen. The burners are installed in burner holes (26) formed in the crown (20) of a furnace and form a seal with those holes so that ambient air cannot be entrained into the furnace through the holes. An external air cooled jacket (60) can be used to hold the temperature of the burner below a prescribed upper limit, e.g., 400° C.
    Type: Grant
    Filed: July 30, 1999
    Date of Patent: July 8, 2003
    Assignee: Corning Incorporated
    Inventors: Meryle D. M. Adler, John T. Brown, Mahendra K. Misra
  • Patent number: 6565016
    Abstract: A head assembly is provided which is adapted to be connected to the output shaft of a motor. The assembly is used in providing a cloud of liquid wax for coating foodstuffs and includes a collector coaxially attached to the motor output shaft. An internal wall of a dispensing shroud surrounds the collector. A housing is attached to the motor and coupled to a liquid wax source. A delivery tube, which extends from the housing to the collector within the shroud, has an aperture at one end positioned in close proximity to the collector. The liquid wax flows down the tube to form a bead on the collector to be centrifugally dispensed against the internal shroud wall and to run down the shroud to be expelled as a mist.
    Type: Grant
    Filed: June 4, 2001
    Date of Patent: May 20, 2003
    Assignee: Colour Vision Systems Pty. Ltd.
    Inventor: Ian Madden
  • Publication number: 20030071144
    Abstract: An air brush is shown and described including a replaceable, rotatable, nozzle head including a media port and a needle arrangement. Media contamination of the air brush is limited to the removable nozzle head, thereby making the air brush body free of media contamination. By rotatable mounting of the nozzle head, a variety of media sources are made available, ranging from gravity fed devices such as media top and side cups to suction fed devices such as media jars. The trigger arrangement of the present invention presents an actuator shaft movable longitudinally in response to trigger movement for engagement of the needle of the nozzle head. Mechanical coupling between the air brush body and nozzle head is limited to structural coupling for mounting the nozzle head and an abutment relationship between the actuator shaft and the needle. This allows rotational freedom of movement for the nozzle head relative to the body, and also ease of dismounting by simply separating the nozzle head from the air brush body.
    Type: Application
    Filed: July 30, 2002
    Publication date: April 17, 2003
    Inventor: William H. Naemura
  • Publication number: 20030052197
    Abstract: A spray nozzle is disclosed which includes an elongated nozzle body having an axially extending interior chamber and at least two radially extending air inlet ports communicating with the interior chamber. An elongated fluid inlet fitting having an axial fluid inlet passage is axially disposed within the interior chamber of the nozzle body. A fluid distribution insert is axially disposed within the axial fluid inlet passage of the fluid inlet fitting. The fluid distribution insert has an axial impact chamber formed therein, and an axial fluid feeding orifice which communicates with the axial impact chamber. An air swirling insert is disposed within the nozzle body. The air swirling insert has an interior bore for receiving the fluid distribution insert, and a fluid mixing orifice communicating with the fluid feeding orifice of the fluid distribution insert. A fluid metering insert is axially disposed within the impact chamber of the fluid distribution insert.
    Type: Application
    Filed: September 19, 2002
    Publication date: March 20, 2003
    Inventor: Quy D. Bui
  • Patent number: 6478238
    Abstract: A miniaturized ion sprayer device is suitable for coupling with chip-based analytical separation devices, multi-well plates, or surfaces containing residues of prepared samples. One embodiment, a “micro sprayer” device which is suitable for coupling to the terminal edge of a capillary electrophoresis (CE) chip is constructed from modified HPLC tubing and associated fittings and employs a free-standing liquid junction formed via continuous delivery of a flow (1-6 microliters/min) of suitable solvent which carries effluent through a pneumatically-assisted electrospray (ion spray) needle. A second embodiment employs the same features as the microsprayer, but with an extended sampling capillary tube which can reach into the depths of 96, 384, and 1,536 multi-well plates containing either sample solutions or dried sample residues.
    Type: Grant
    Filed: November 2, 2000
    Date of Patent: November 12, 2002
    Assignee: Cornell Research Foundation Inc.
    Inventors: Timothy Wachs, Jack D. Henion
  • Publication number: 20020005441
    Abstract: An air brush is shown and described including a replaceable, rotatable, nozzle head including a media port and a needle arrangement. Media contamination of the air brush is limited to the removable nozzle head, thereby making the air brush body free of media contamination. By rotatable mounting of the nozzle head, a variety of media sources are made available, ranging from gravity fed devices such as media top and side cups to suction fed devices such as media jars. The trigger arrangement of the present invention presents an actuator shaft movable longitudinally in response to trigger movement for engagement of the needle of the nozzle head. Mechanical coupling between the air brush body and nozzle head is limited to structural coupling for mounting the nozzle head and an abutment relationship between the actuator shaft and the needle. This allows rotational freedom of movement for the nozzle head relative to the body, and also ease of dismounting by simply separating the nozzle head from the air brush body.
    Type: Application
    Filed: October 14, 1997
    Publication date: January 17, 2002
    Inventor: WILLIAM H. NAMURA
  • Patent number: 6244524
    Abstract: In a combustion process, especially one used for melting glass, the delivery of fuel is ensured by an apparatus having at least one burner (5) which is equipped with at least one injector (1) that includes a liquid fuel delivery tube (2) which has at least one internal wall (25) and an injected fluid delivery tube (3) arranged concentrically with respect to the liquid fuel delivery tube. Immediately before injecting the liquid fuel from its delivery tube, one puts it in the shape of a hollow jet basically assuming the shape of the internal wall. This has application for the reduction of NOx in a glass-making oven.
    Type: Grant
    Filed: December 7, 1998
    Date of Patent: June 12, 2001
    Assignee: Saint-Gobain Glass France
    Inventors: Guy Tackels, Patrick Rouchy, Joseph Vernaz
  • Patent number: 6209806
    Abstract: A fuel injector having a pulsed air assist atomizer to provide improved atomization and fuel spray targeting. The fuel injector provides a pulsed air supply, rather than a continuous air supply at the discharge of the fuel injector. The fuel injector includes an air inlet, a fuel inlet, mixing chamber and controller for controlling the simultaneous introduction of air and fuel into the mixing chamber. The controller controls an air jet to impact fuel flowing into the mixing chamber to atomize the fuel before discharge of the air-fuel mixture from the fuel injector.
    Type: Grant
    Filed: January 11, 1999
    Date of Patent: April 3, 2001
    Assignee: Siemens Automotive Corporation
    Inventors: Jeff B. Pace, Vernon R. Warner
  • Patent number: 6199367
    Abstract: A gas turbine engine carburetor includes a fuel injector and a cooperating air swirler for injecting fuel and air into a combustor. The fuel injector includes a hollow body joined to a supporting stem for receiving fuel therein for flow through an injector tip slidingly mounted to the injector body for movement relative thereto. The air swirler surrounds the injector tip and is spaced form the injector body to define an air inlet, and is spaced from the injector tip to define an air outlet. A spring operatively engages the injector body and the injector tip and is preloaded for biasing the injector tip to an initial position. The spring is sized so that increasing pressure of the fuel in the injector body further loads the spring for moving the injector tip from the initial position to a displaced position, with movement of the injector tip modulating airflow through the swirler for in-turn modulating the ratio of discharged fuel and air.
    Type: Grant
    Filed: April 26, 1996
    Date of Patent: March 13, 2001
    Assignee: General Electric Company
    Inventor: Stephen J. Howell