US3693886A - Swirl air nozzle - Google Patents

Swirl air nozzle Download PDF

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Publication number
US3693886A
US3693886A US193023A US3693886DA US3693886A US 3693886 A US3693886 A US 3693886A US 193023 A US193023 A US 193023A US 3693886D A US3693886D A US 3693886DA US 3693886 A US3693886 A US 3693886A
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US
United States
Prior art keywords
fluid
chamber
discharge opening
swirling
impact
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US193023A
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English (en)
Inventor
Sherman E Conrad
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Delavan Manufacturing Co
Original Assignee
Delavan Manufacturing Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Delavan Manufacturing Co filed Critical Delavan Manufacturing Co
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Publication of US3693886A publication Critical patent/US3693886A/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/26—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with means for mechanically breaking-up or deflecting the jet after discharge, e.g. with fixed deflectors; Breaking-up the discharged liquid or other fluent material by impinging jets
    • B05B1/262—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with means for mechanically breaking-up or deflecting the jet after discharge, e.g. with fixed deflectors; Breaking-up the discharged liquid or other fluent material by impinging jets with fixed deflectors
    • B05B1/265—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with means for mechanically breaking-up or deflecting the jet after discharge, e.g. with fixed deflectors; Breaking-up the discharged liquid or other fluent material by impinging jets with fixed deflectors the liquid or other fluent material being symmetrically deflected about the axis of the nozzle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
    • B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/10—Spray pistols; Apparatus for discharge producing a swirling discharge

Definitions

  • a nozzle for discharging a swirling atomized fluid in- 7/06 cludes a vortex chamber defined in-the nozzle body, a g gg u 5 gas inlet tangentially communicating with the chamber h g and a liquid inlet axially communicating with the chamber wherein the liquid is mixed with the swirling gas in the chamber.
  • An impingement member is posi- [56] References cued tioned in the path of fluid flowing from the chamber UNITED STATES PATENTS having a primary impact surface in the chamber upon which the swirling mixture impinges and a secondary 1,822,176 10/1931 Gunther ..239/403 X impaa Surface adjacent to, but Spaced from the 36 12/191 1 Ransome et X zle discharge opening upon which the swirling mixture 1 g l g 3 also impinges as it is being discharged from the nozzle.
  • the nozzle constructed in accordance with the principles of the present invention is capable of. producing very fine high quality atomization at very low fluid pressures and high liquid flow rates.
  • close control of spray angle may be readily achieved and the degree of atomization may be closely and accurately controlled without affecting the flow rate of the fluid through the nozzle and, conversely, liquid flow rates through the nozzle may be easily and readily modulated without adversely affecting the quality of the atomization.
  • nozzle constructed in accordance with the principles of the present'invention, small fluid flow passages are unnecessary which might otherwise be subject to clogging by particulate matter and other contaminates which may be present in the fluid stream and external struts or other supports are also unnecessary which might otherwise interfere with the spray pattern.
  • the nozzle of the present invention is well adapted, both by its structure as well as the composition of materials from which it may be constructed, to resist corrosion and high temperature environments in which the nozzles may be employed.
  • the nozzle of the present invention may be readily constructed so as to generate a sonic field in accordance with well known principles so as to enhance evaporation of liquid droplets, and the low gas flow rate and power requirements of the nozzle of the present invention make possible the use of smaller compressors or blowers for providing such gas.
  • atomization effected by a vortical mixing action of the fluids, but in addition atomization is substantially improved by both primary and secondary impingement upon rigid surfaces of the swirling mixed fluids.
  • the present invention comprises a nozzle for discharging a swirling fluid having a body member defining a fluid chamber and a discharge opening.
  • First fluid inlet means communicates eccentrically with the chamber for introducing a swirling fluid to the chamber and second fluid inlet means communicates with the chamber for introducing and mixing a fluid into the swirling fluid in the chamber.
  • lmpingement means is positioned in the nozzle upon which the swirling mixed fluid impinges and includes first impact means in the chamber between the discharge opening and the first fluid inlet means and second impact means which is spaced downstream of the first impact means adjacent the discharge opening.
  • the present invention comprises a method of finely atomizing liquids, which includes the steps of introducing a liquid to be atomized into a swirling mass of gas, mixing the liquid and the swirling mass of gas together to produce a swirling mixture, and impinging the swirling mixture upon a first impingement surface and thence a second impingement surface.
  • FIG-.1 is an exploded view of a preferred embodiment of swirl air nozzle constructed and which operates in accordance with the principles of the present invention
  • FIG. 2 is an enlarged cross sectioned side elevation view of the embodiment of nozzle shown in FIG. 1 in assembled form
  • FIG. 3 is a cross sectioned and elevation view of the nozzle taken substantially along line 33 of FIG. 2.
  • boss 18 includes an eccentrically bored passage. 22
  • the boss is suitably threaded at 24 so as to receive a suitable conduit or-the like (notshown) for "carrying a gas, such as air or steam, to the passage 22 from whence it is tangentially introduced into the chamber 12 such that a vortical swirling motion is set up in the chamber.
  • an opening 26 also communicates with chamber 12 through another side 28'of the nozzle body and a suitable liquid inlet fitting 30 is fitted into this opening and fixed to the nozzle body as by weld 32.
  • This fitting 30 includes a liquid passage 33 therethrough and is also preferably threaded at 34 so as to adapt it for coupling to a suitable liquid supply conduit (not shown) through which the liquid, such as water, which is to be atomized by the nozzle of the present invention is introduced axially into the swirling vortical mass of gas in chamber 12.
  • the end of the chamber 12 adjacent opening 14 is also threaded internally at 36 to receive a threaded metering nut 38.
  • the metering nut 38 includes an axially extending doubly tapered bore 40 therethrough which opens into a nozzle discharge opening 41.
  • Bore 40 preferably is formed with a predetermined minimum cross sectional dimension at 42 and. the bore is preferably constructed such that the bore diameter progressively increases toward the ends of the nut from the minimum diameter portion 42 thereof.
  • impingement member 48 comprises an elongate tapered pintle 50 having a flat upstream end which forms an impact or impingement .surface 52 facing the vortex chamber 12.
  • impingement and extremely fine atomization in this primary impingement zone A which is located between the noule discharge opening and inlet passages 22 and 33, is also enhanced by a plurality of radially extending arms 54 which extend outward from the flat impact surface 52.
  • These arms 54 not only increase both the area and perimeter of the primary impingement zone A as the swirling mixture of gas and liquid flows from the chamber 12 into bore 40 and through zone A, but also are of a length such that they rest against a shouldered end surface 56 formed at the upstream end of the metering nut 38 to position the impingement member 48 in place in the assembled nozzle.
  • a secondary zone B of impingement is also effected by the impingement member of the present invention.
  • This secondary zone is formed by a flat substantially circular disc 58 positioned at the downstream end of the pintle 50-so as to define an annular surface 60 which faces the discharge opening 41 of the metering nut adjacent to, but spaced downstream slightly from the discharge opening.
  • the cross sectional annular area of the passage or bore between the pintle exterior surface 62 and the side walls 64 of the bore through the metering nut 38 is somewhat smaller than the cross section of the vortex chamber 12.
  • the velocity of the swirling mixture as it passes through this annular passage 40 will increase to further effect turbulence in the mixture which, in turn, further enhances atomization.
  • the nozzle capacity and discharge characteristics may be easily and readily varied simply by changing the cross sectional dimension of this annular passage 40 by the simple substitution of either a different metering nut having a different diameter bore or an impingement member having a different cross sectional dimension, or both, so as to vary the cross sectional dimension of the fluid flow passage through the metering nut.
  • Gas such as air or steam
  • passage 22 enters chamber 12 substantially tangentially, a swirling vortical mass of gas is present in chamber 12.
  • the liquid to be atomized for example water
  • passage 33 is axially introduced through passage 33 and is mixed with the gas in chamber 12 to produce a swirling mixture of gas and atomized liquid.
  • This swirling mixture then passes through primary impingement zone A where it impinges upon surface 52 and arms 54 further improving the quality of liquid atomization.
  • the quality or degree of atomization of the liquid may be readily varied by controlling the gas to liquid ratio over a wide range of flow rates. Also, if the gas pressure is initially set and it is desired to modulate the liquid flow rate, the gas pressure change and flow rate will automatically respond such that atomization quality will remain substantially constant. This latter advantage of the present'invention will result in equipment savings by eliminating gas valving and other necessary gas controls.
  • a nozzle for discharging a swirling fluid comprising a body member defining a fluid chamber therein including a passage a first portion of which has a first cross sectional dimension and a second portion of which has a second minimum cross sectional dimension which is smaller than said first cross sectional dimension,
  • first fluid inlet means communicating eccentrically with said chamber for introducing a fluid into said chamber and inducing a swirling motion in said fluid in said chamber
  • second fluid inlet means communicating with said chamber for introducing and mix'mg a fluid into said swirling fluid in said chamber
  • impingement means including first impact means in said chamber between said discharge opening and said first fluid inlet means upon which said mixed swirling fluid impinges enroute to said discharge opening and second impact means spaced downstream of said first impact means and said second portion of said passage and positioned adjacent said discharge opening upon which at least some of said mixed swirling fluid leaving said first impact means is also impinged.
  • said impingement means includes elongate pintle means extending axially of said chamber, said first impact means comprising a flat surface at the upstream end of said pintle means and a plurality of arms extending radially from said flat surface, and said second impact means comprising a disc positioned at the other end of said pintle means.
  • the nozzle of claim 1 including metering means defining said discharge opening, said metering means having a fluid flow passage therethrough, said impingement means including pintle means extending axially through said passage, said first impact means being positioned at the end of said passage adjacent said chamber and said second impact means being positioned adjacent the other end of said passage but spaced therefrom.
  • a nozzle for discharging a swirling fluid comprising a body member defining a fluid chamber therein,
  • first fluid inlet means communicating eccentrically with said chamber for introducing a fluid into said chamber and inducing a swirling motion in said fluid in said chamber
  • second fluid inlet means communicating with said chamber for introducing and mixing a fluid into said swirling fluid in said chamber
  • impingement means including first impact means in said chamber between said discharge opening and said first fluid inlet means upon which said mixed swirling fluid impinges enroute to said discharge opening and second impact means spaced downstream of said first impact means and said discharge opening adjacent said discharge opening upon which at least some of said mixed swirling 6 fluid leaving said first impact means is also impinged.
  • first fluid inlet means communicating eccentrically with said chamber for introducing a fluid into said chamber and inducing a swirling motion in said fluid in said chamber
  • a nozzle for discharging a swirling fluid comprisa body member defining a fluid chamber therein, a discharge opening in said member for discharging fluid from said chamber, first fluid inlet means communicating eccentrically with said chamber for introducing a fluid into said chamber and inducing a swirling motion in said fluid in said chamber, second fluid inlet means communicating with said chamber for introducing and mixing a fluid into said swirling fluid in said chamber, and impingement means including first impact means in said first fluid inlet means upon which said mixed swirling fluid impinges enroute to said discharge opening and second impact means spaced downstream of said first impact means and positioned adjacent said discharge opening upon which at least some of said mixed swirling fluid leaving said first impact means is also impinged, said first impact means having a dimension substantially equal to the cross sectional dimension of said chamber and, said second impact means having a dimension smaller than the cross sectional dimension of said discharge opening.
  • a nozzle for discharging a swirling fluid compris- 60 ing a body member defining a fluid chamber therein,
  • first fluid inlet means communicating eccentrically with said chamber for introducing a fluid into said chamber and inducing a swirling motion in said fluid in said chamber
  • said first impact means being positioned at the end of said passage adjacent said chamber and said second impact means being positioned adjacent the other end of said passage but spaced therefrom.

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  • Nozzles (AREA)
US193023A 1971-10-27 1971-10-27 Swirl air nozzle Expired - Lifetime US3693886A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US19302371A 1971-10-27 1971-10-27

Publications (1)

Publication Number Publication Date
US3693886A true US3693886A (en) 1972-09-26

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Family Applications (1)

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US193023A Expired - Lifetime US3693886A (en) 1971-10-27 1971-10-27 Swirl air nozzle

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Country Link
US (1) US3693886A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS556425B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AU (1) AU460360B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA957410A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2252218C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1412133A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3756515A (en) * 1972-05-25 1973-09-04 Peabody Engineering Corp Deflector support for spray nozzle
US3779460A (en) * 1972-03-13 1973-12-18 Combustion Equip Ass Acoustic nozzle
US3782639A (en) * 1972-04-17 1974-01-01 Ford Motor Co Fuel injection apparatus
US4084934A (en) * 1972-02-05 1978-04-18 Mitsubishi Precision Co., Ltd. Combustion apparatus
US4128206A (en) * 1977-05-31 1978-12-05 Delavan Corporation Low drift flat spray nozzle and method
FR2439624A1 (fr) * 1978-10-24 1980-05-23 Motan Gmbh Appareil portatif pour pulverisation fine
US4330086A (en) * 1980-04-30 1982-05-18 Duraclean International Nozzle and method for generating foam
US4343434A (en) * 1980-04-28 1982-08-10 Spraying Systems Company Air efficient atomizing spray nozzle
DE3223108A1 (de) * 1982-06-21 1983-12-22 Progress-Werk Oberkirch Ag, 7602 Oberkirch Oelbrenneranordnung fuer feldkochherde
US4568025A (en) * 1984-06-01 1986-02-04 Mcloud Donald H Firefighting nozzle
US4821964A (en) * 1987-03-02 1989-04-18 Lechler Gmbh & Co. Kg Two-material atomizing nozzle to produce a solid-cone jet
WO1992009360A1 (en) * 1990-11-23 1992-06-11 Atomaer Pty. Ltd. Gas particle formation
US5149799A (en) * 1990-01-26 1992-09-22 National Starch And Chemical Investment Holding Corporation Method and apparatus for cooking and spray-drying starch
US5449308A (en) * 1994-03-21 1995-09-12 Thompson; Gregory A. Marker buoy winding apparatus and improved marker buoy used therewith
US6142388A (en) * 1996-08-21 2000-11-07 Envirocare International, Inc. Atomizing nozzle
US6669115B2 (en) 2002-02-07 2003-12-30 Tai-Yen Sun Vortex twin-fluid nozzle with self-cleaning pintle
US20040262429A1 (en) * 2003-04-24 2004-12-30 Lechler Gmbh Two-substance spray nozzle
WO2005061119A1 (en) 2003-12-22 2005-07-07 Niro A/S Nozzle for atomising a liquid by means of a gas and method of atomising
US20070069049A1 (en) * 2005-09-23 2007-03-29 Michael Lipthal Solid cone spray nozzle
US20080035751A1 (en) * 2006-08-09 2008-02-14 Johannes Martin Nozzle for introducing and metering a treatment medium into the exhaust gas stream in combustion processes
CN100395036C (zh) * 2003-01-22 2008-06-18 孙泰炎 双流体喷嘴
US20090314200A1 (en) * 2008-06-20 2009-12-24 Hon Hai Precision Industry Co., Ltd. Apparatus for dispensing glue onto optical element
US20100224702A1 (en) * 2009-03-09 2010-09-09 Illinois Tool Works Inc. Pneumatic atomization nozzle for web moistening
US20100224703A1 (en) * 2009-03-09 2010-09-09 Illinois Tool Works Inc. Pneumatic Atomization Nozzle for Web Moistening
US20100224122A1 (en) * 2009-03-09 2010-09-09 Illinois Tool Works Inc. Low pressure regulation for web moistening systems
US20100224665A1 (en) * 2009-03-09 2010-09-09 Illinois Tool Works Inc. Thermally isolated liquid supply for web moistening
US20110031328A1 (en) * 2009-08-06 2011-02-10 Greg Rundle Nozzle apparatus for dispersing droplets of flowable material
EP3068545A4 (en) * 2013-11-12 2017-04-26 Spraying Systems Co. Catalytic cracking spray nozzle with internal liquid particle dispersion ring
US20240123367A1 (en) * 2022-09-15 2024-04-18 Velico Medical, Inc. Nozzle For A Disposable For Use With Spray Drying System
US11975274B2 (en) 2022-09-15 2024-05-07 Velico Medical, Inc. Blood plasma product
EP4140595A4 (en) * 2020-04-25 2024-05-29 Counterfog Ebt De La Uah SL Improved mist injection nozzle
US11998861B2 (en) 2022-09-15 2024-06-04 Velico Medical, Inc. Usability of a disposable for a spray drying plasma system
US12083447B2 (en) 2022-09-15 2024-09-10 Velico Medical, Inc. Alignment of a disposable for a spray drying plasma system
US12208121B2 (en) 2009-09-16 2025-01-28 Velico Medical, Inc. Spray-dried human plasma
US12246266B2 (en) 2022-09-15 2025-03-11 Velico Medical, Inc. Disposable for a spray drying system
US12247784B2 (en) 2022-09-15 2025-03-11 Velico Medical, Inc. Baffle plate used in a disposable for a spray drying system
US12246093B2 (en) 2022-09-15 2025-03-11 Velico Medical, Inc. Methods for making spray dried plasma
US12405057B2 (en) 2022-09-15 2025-09-02 Velico Medical, Inc. Rapid spray drying system
US12414920B2 (en) 2021-12-30 2025-09-16 Velico Medical Inc. Spray-dried blood products and methods of making same

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JPS5926348B2 (ja) * 1976-12-03 1984-06-26 三菱プレシジヨン株式会社 流体の微粒化分散装置
IL55827A (en) * 1978-10-30 1983-02-23 Advanced Irrigation Tech Swirl chamber spray-nozzle
US4349156A (en) * 1980-08-11 1982-09-14 Spraying Systems Company Efficiency nozzle
AU594095B2 (en) * 1985-11-05 1990-03-01 Woomera Snow Guns Pty. Ltd. Snowmaking gun
GB8724973D0 (en) * 1987-10-24 1987-11-25 Bp Oil Ltd Fire fighting
GB8905835D0 (en) * 1989-03-14 1989-04-26 British Petroleum Co Plc Spray nozzle
NZ229355A (en) * 1989-05-31 1991-12-23 Nz Ministry Forestry Spray nozzle assembly; flexible fluid outlet within nozzle to atomise fluid
JPH06102170B2 (ja) * 1990-07-27 1994-12-14 新日本製鐵株式会社 噴霧用ノズル
DE19604902C2 (de) * 1996-02-10 2002-11-14 Lechler Gmbh & Co Kg Zweistoffdüse
JP6043278B2 (ja) 2010-04-09 2016-12-14 パシラ ファーマシューティカルズ インコーポレーテッド 多小胞リポソームを作製するための方法、大直径合成膜小胞を調製するための方法、および蒸発装置
GB2537157A (en) * 2015-04-10 2016-10-12 Chuan Jiing Entpr Co Ltd Nozzle

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US1093364A (en) * 1909-09-02 1914-04-14 Railway Materials Company Burner for oil-furnaces.
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US1012436A (en) * 1911-03-13 1911-12-19 Jesse S Ransome Oil-burner.
US1427910A (en) * 1920-11-22 1922-09-05 William R Quinn Oil burner
US1826776A (en) * 1928-07-20 1931-10-13 Charles O Gunther Liquid fuel burner and method of atomizing liquids
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Cited By (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4084934A (en) * 1972-02-05 1978-04-18 Mitsubishi Precision Co., Ltd. Combustion apparatus
US3779460A (en) * 1972-03-13 1973-12-18 Combustion Equip Ass Acoustic nozzle
US3782639A (en) * 1972-04-17 1974-01-01 Ford Motor Co Fuel injection apparatus
US3756515A (en) * 1972-05-25 1973-09-04 Peabody Engineering Corp Deflector support for spray nozzle
US4128206A (en) * 1977-05-31 1978-12-05 Delavan Corporation Low drift flat spray nozzle and method
FR2439624A1 (fr) * 1978-10-24 1980-05-23 Motan Gmbh Appareil portatif pour pulverisation fine
US4343434A (en) * 1980-04-28 1982-08-10 Spraying Systems Company Air efficient atomizing spray nozzle
US4330086A (en) * 1980-04-30 1982-05-18 Duraclean International Nozzle and method for generating foam
DE3223108A1 (de) * 1982-06-21 1983-12-22 Progress-Werk Oberkirch Ag, 7602 Oberkirch Oelbrenneranordnung fuer feldkochherde
US4568025A (en) * 1984-06-01 1986-02-04 Mcloud Donald H Firefighting nozzle
US4821964A (en) * 1987-03-02 1989-04-18 Lechler Gmbh & Co. Kg Two-material atomizing nozzle to produce a solid-cone jet
US5149799A (en) * 1990-01-26 1992-09-22 National Starch And Chemical Investment Holding Corporation Method and apparatus for cooking and spray-drying starch
US5591328A (en) * 1990-11-23 1997-01-07 Atomaer Pty. Ltd. Gas particle formation
WO1992009360A1 (en) * 1990-11-23 1992-06-11 Atomaer Pty. Ltd. Gas particle formation
US5449308A (en) * 1994-03-21 1995-09-12 Thompson; Gregory A. Marker buoy winding apparatus and improved marker buoy used therewith
US6142388A (en) * 1996-08-21 2000-11-07 Envirocare International, Inc. Atomizing nozzle
US6669115B2 (en) 2002-02-07 2003-12-30 Tai-Yen Sun Vortex twin-fluid nozzle with self-cleaning pintle
CN100395036C (zh) * 2003-01-22 2008-06-18 孙泰炎 双流体喷嘴
US20040262429A1 (en) * 2003-04-24 2004-12-30 Lechler Gmbh Two-substance spray nozzle
US6969014B2 (en) 2003-04-24 2005-11-29 Lechler Gmbh Two-substance spray nozzle
WO2005061119A1 (en) 2003-12-22 2005-07-07 Niro A/S Nozzle for atomising a liquid by means of a gas and method of atomising
US20070069049A1 (en) * 2005-09-23 2007-03-29 Michael Lipthal Solid cone spray nozzle
US7552881B2 (en) * 2005-09-23 2009-06-30 Lechler Gmbh Solid cone spray nozzle
US20080035751A1 (en) * 2006-08-09 2008-02-14 Johannes Martin Nozzle for introducing and metering a treatment medium into the exhaust gas stream in combustion processes
EP1890081A3 (de) * 2006-08-09 2011-10-26 MARTIN GmbH für Umwelt- und Energietechnik Düse zum Einbringen und Dosieren eines Behandlungsmediums in den Abgasstrom bei Verbrennungsprozessen
US7886994B2 (en) 2006-08-09 2011-02-15 Martin GmbH für Umwelt- und Energietechnik Nozzle for introducing and metering a treatment medium into the exhaust gas stream in combustion processes
US20090314200A1 (en) * 2008-06-20 2009-12-24 Hon Hai Precision Industry Co., Ltd. Apparatus for dispensing glue onto optical element
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Also Published As

Publication number Publication date
DE2252218A1 (de) 1973-05-03
JPS4852009A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-07-21
GB1412133A (en) 1975-10-29
DE2252218C2 (de) 1984-11-08
JPS556425B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1980-02-16
CA957410A (en) 1974-11-05
AU460360B2 (en) 1975-04-24
AU4824972A (en) 1974-05-16

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