US2551538A - Multiple jet spray nozzle - Google Patents

Multiple jet spray nozzle Download PDF

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Publication number
US2551538A
US2551538A US1176A US117648A US2551538A US 2551538 A US2551538 A US 2551538A US 1176 A US1176 A US 1176A US 117648 A US117648 A US 117648A US 2551538 A US2551538 A US 2551538A
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liquid
nozzle
opening
tube
nozzles
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US1176A
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Walter E Hensel
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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B1/00—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating
    • D06B1/02—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by spraying or projecting
    • 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
    • B05B7/06—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane
    • B05B7/062—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane with only one liquid outlet and at least one gas outlet
    • B05B7/065—Spray pistols; Apparatus for discharge with at least one outlet orifice surrounding another approximately in the same plane with only one liquid outlet and at least one gas outlet an inner gas outlet being surrounded by an annular adjacent liquid outlet
    • 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
    • B05B7/08—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point
    • B05B7/0884—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point the outlet orifices for jets constituted by a liquid or a mixture containing a liquid being aligned

Definitions

  • This invention relates to a multiple jet spraying apparatus designed to deliver a plurality of jets of liquid in spray form.
  • the apparatus is adapted for a wide variety of uses among which may be mentioned that of applying emulsion, oils, or other conditioning liquid in spray form to fibrous material such as wool, cotton, jute, hemp, etc., during the processing of such material.
  • Fig. 1 is a fragmentary sectional view of a spraying apparatus embodying the invention.
  • Fig. 2 is a fragmentary under side view.
  • Fig. 3 is a vertical section through Fig. 1.
  • Fig. 4 is a cross sectional view showing a different form of nozzle from that illustrated in Figs. 1 to 3.
  • the improved spraying apparatus comprises a liquid-containing chamber I, herein shown in the form of a tube, which is connected to any suitable source of liquid supply from which liquid may be delivered to the tube l.
  • Said tube I has a smooth exterior surface and is provided along its bottom with a plurality of cylindrical openings 4.
  • an inner tube 2 which is connected to a suitable source of gaseous fluid under pressure such, for instance, as air or steam.
  • the inner tube 2 is provided with a plurality of nozzles, one for each opening 4 in the outer tube, and each nozzle 3 extends axially through the corresponding opening l of the outer tube and projects slightly beyond the outer smooth surface of said outer tube and has a delivery opening of uniform diameter as clearly shown in Figs. 1, 3
  • each nozzle 3 that occupies its opening fl is cylindrical externally and has an exterior diameter somewhat less than the diameter of the opening 4 and as each nozzle 3 projects entirely through its opening li, the space between the exterior of each nozzle 3 and the wall of the opening 4 constitutes an annular port having parallel inner and outer walls through which the liquid in the outer tube l may be discharged. Such liquid will, therefore, be delivered from the outer tube l in the form of a tubular stream surrounding the nozzle 3.
  • each nozzle 3 extends entirely through its opening 4 and projects a distance beyond the outer face of the tube l.
  • the delivering of the jet of compressed air or steam into the interior of a tubular stream of liquid which is uncomined exteriorly, (which is the condition of the tubular stream after it leaves the opening l and while it is owing over and olf from the projecting end of the nozzle 3) operates through the radially expanding action of said jet of compressed air to atomize the tubular stream of liquid most effectively and to deliver the spray thus formed uniformly over a wide area.
  • the nozzles 3 are preferably removably mounted in the inner tube 2, each nozzle being screwed into a boss with which the tube 2A is provided. Because these nozzles are thus removable, it is possible to change the nozzles if desired and substitute nozzles having a smaller or larger central opening or port depending somewhat on the character of the spray which it is desired to produce.
  • nozzle 3a is shown which has a much smaller port than the nozzles shown in Figs. 1 and 3.
  • An important feature of the invention is that of having the nozzles 3 extend clear through the openings 4 in the liquid-containing chamber and extend slightly beyond the exterior face of the liquid-containing chamber so that the tubular stream of liquid is not aiected by the expanding action of the compressed air or steam until after such tubular stream has moved out of the opening 4 and is, therefore, unconnned exteriorly.
  • the character of the spray may be varied by varying the pressure of the air, steam, or other gaseous fluid in the inner tube 2 and consequently the pressure of such gaseous fluid as it issues from the nozzle.
  • the liquid in the liquid-containing chamber l may be allowed to flowthrough the openings 4 by gravity, as would be the case if said chamber were only partially lled with liquid as indicated in Fig'. 1, or the chamber I may be lled with liquid under more or less pressure.
  • jets of air, steam, or other gaseous fluid issuing from the nozzles do not act on the tubular streams of liquid until after the latter have been entirely discharged from the liquid-containing chamber, said jets Will have little or no effect on the rate of discharge of the liquid through the ports I regardless of the pressure of the gaseous fluid in the inner tube 2.
  • a multiple spray apparatus comprising an outer liquid-containing chamber presenting a smooth under side in which is formed a plurality of Cylindrical openings, an inner tube containing fluid in gaseous form under pressure located entirely within the liquid-containing chamber, and a plurality of nozzles carried by the inner tube, one for each opening in the liquid-containing chamber, each nozzle having a delivery opening of uniform diameter and extending entirely through its opening axially thereof and projecting slightly beyond the outer smooth face of the liquid-containing chamber, the portion of each nozzle occupying an opening being cylindrical and having an exterior diameter smaller than the diameter of the opening it occupies, thereby providing between each nozzle and the wall of its opening an annular space having parallel inside and outside Walls which constitutes an annular port of uniform area through which the liquid from the liquid-containing chamber flows in a gravity-propelled tubular stream which encloses the nozzle, the expanding action of the jet of compressed gaseous fluid issuing from the projecting e'nd of each nozzle into the interior of the corresponding gravity-propelled tubular stream

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Nozzles (AREA)

Description

May L 3511 w. E. HENSEL 2,551,538
MULTIPLE JET SPRAY NOZZLE Filed Jan. 8, 1948 INVENTOR.
VVQH'e-r E Hensef HMM! MTM Patented May 1, 1951 iJNl'IED STATES .PATENT OFFICE MULTIPLE JET SPRAY NOZZLE Walter E. Hensel, South Berwick, Maine Application January 8, 1948, Serial No. 1,176
1 Claim. l
This invention relates to a multiple jet spraying apparatus designed to deliver a plurality of jets of liquid in spray form.
The apparatus is adapted for a wide variety of uses among which may be mentioned that of applying emulsion, oils, or other conditioning liquid in spray form to fibrous material such as wool, cotton, jute, hemp, etc., during the processing of such material. v
It is a commonpractice to condition fibrous material such as above referred to by spraying it with a conditioning liquid While it is being carried forward on a traveling apron and the apparatus herein described is admirably suited for this purpose.
It is an object of the invention to provide a multiple jet spraying apparatus which is simple in its construction and is inexpensive to manufacture, and which will produce a plurality of sprays each of which delivers the conditioning liquid in atomized form uniformly over a relatively large area.
In order to give an understanding of the invention, I have illustrated in the drawings a selected embodiment thereof which will now be described after which the novel features will be pointed out in the appended claim.
In the drawings,
Fig. 1 is a fragmentary sectional view of a spraying apparatus embodying the invention.
Fig. 2 is a fragmentary under side view.
Fig. 3 is a vertical section through Fig. 1.
Fig. 4 is a cross sectional view showing a different form of nozzle from that illustrated in Figs. 1 to 3.
The improved spraying apparatus comprises a liquid-containing chamber I, herein shown in the form of a tube, which is connected to any suitable source of liquid supply from which liquid may be delivered to the tube l. Said tube I has a smooth exterior surface and is provided along its bottom with a plurality of cylindrical openings 4.
Situated entirely Within the tube l, which will for convenience be referred to as the outer tube, is an inner tube 2 which is connected to a suitable source of gaseous fluid under pressure such, for instance, as air or steam.
The inner tube 2 is provided with a plurality of nozzles, one for each opening 4 in the outer tube, and each nozzle 3 extends axially through the corresponding opening l of the outer tube and projects slightly beyond the outer smooth surface of said outer tube and has a delivery opening of uniform diameter as clearly shown in Figs. 1, 3
and 4. The portion of each nozzle 3 that occupies its opening fl is cylindrical externally and has an exterior diameter somewhat less than the diameter of the opening 4 and as each nozzle 3 projects entirely through its opening li, the space between the exterior of each nozzle 3 and the wall of the opening 4 constitutes an annular port having parallel inner and outer walls through which the liquid in the outer tube l may be discharged. Such liquid will, therefore, be delivered from the outer tube l in the form of a tubular stream surrounding the nozzle 3.
Since the inner tube 2 is filled with gaseous fluid under pressure, a jet of such compressed fluid, whether it be air or steam or any other gaseous fluid, will issue from each nozzle 3, and as soon as the stream of gaseous fluid emerges from the end of the nozzle, it will naturally expand laterally.
As the tubular stream of liquid moves over the exterior of the nozzle 3 and reaches the end of the nozzle, the expanding action of the jet of gaseous fluid which is being delivered from the nozzle into the interior of the tubular stream of liquid expands said tubular liquid stream radially and breaks it up into a fine spray which is deu livered radially and over a relatively Wide area.
It is to be noted that the action of the compressed air or steam or other gaseous uid under pressure does not act on the liquid until after such liquid has been discharged from the liquidcontaining chamber l, because of the fact that each nozzle 3 extends entirely through its opening 4 and projects a distance beyond the outer face of the tube l.
The delivering of the jet of compressed air or steam into the interior of a tubular stream of liquid which is uncomined exteriorly, (which is the condition of the tubular stream after it leaves the opening l and while it is owing over and olf from the projecting end of the nozzle 3) operates through the radially expanding action of said jet of compressed air to atomize the tubular stream of liquid most effectively and to deliver the spray thus formed uniformly over a wide area.
The nozzles 3 are preferably removably mounted in the inner tube 2, each nozzle being screwed into a boss with which the tube 2A is provided. Because these nozzles are thus removable, it is possible to change the nozzles if desired and substitute nozzles having a smaller or larger central opening or port depending somewhat on the character of the spray which it is desired to produce.
In Fig. 4 a nozzle 3a is shown which has a much smaller port than the nozzles shown in Figs. 1 and 3.
It would alsoI be possible to employ nozzles having different exterior diameters thereby to vary the size of the annular opening through which the liquid is discharged.
An important feature of the invention is that of having the nozzles 3 extend clear through the openings 4 in the liquid-containing chamber and extend slightly beyond the exterior face of the liquid-containing chamber so that the tubular stream of liquid is not aiected by the expanding action of the compressed air or steam until after such tubular stream has moved out of the opening 4 and is, therefore, unconnned exteriorly.
The character of the spray may be varied by varying the pressure of the air, steam, or other gaseous fluid in the inner tube 2 and consequently the pressure of such gaseous fluid as it issues from the nozzle.
The liquid in the liquid-containing chamber l may be allowed to flowthrough the openings 4 by gravity, as would be the case if said chamber were only partially lled with liquid as indicated in Fig'. 1, or the chamber I may be lled with liquid under more or less pressure.
Moreover, since the jets of air, steam, or other gaseous fluid issuing from the nozzles do not act on the tubular streams of liquid until after the latter have been entirely discharged from the liquid-containing chamber, said jets Will have little or no effect on the rate of discharge of the liquid through the ports I regardless of the pressure of the gaseous fluid in the inner tube 2.
IV claim:
A multiple spray apparatus comprising an outer liquid-containing chamber presenting a smooth under side in which is formed a plurality of Cylindrical openings, an inner tube containing fluid in gaseous form under pressure located entirely within the liquid-containing chamber, and a plurality of nozzles carried by the inner tube, one for each opening in the liquid-containing chamber, each nozzle having a delivery opening of uniform diameter and extending entirely through its opening axially thereof and projecting slightly beyond the outer smooth face of the liquid-containing chamber, the portion of each nozzle occupying an opening being cylindrical and having an exterior diameter smaller than the diameter of the opening it occupies, thereby providing between each nozzle and the wall of its opening an annular space having parallel inside and outside Walls which constitutes an annular port of uniform area through which the liquid from the liquid-containing chamber flows in a gravity-propelled tubular stream which encloses the nozzle, the expanding action of the jet of compressed gaseous fluid issuing from the projecting e'nd of each nozzle into the interior of the corresponding gravity-propelled tubular stream acting thereon after it leaves the liquid-contain ing chamber to expand it radially and convert it into a spray covering a wide area.
WALTER E. HENSEL.
REFERENCES CITED `The following references are of record in the file of this patent:
UNITED STATES PATENTS Number Name Date 325,376 Baker Sept. 1, 1885 980,002 Price Dec. 27, 1910 1,017,533 Goodlett Feb. 13, 1912 1,047,619 Decker Dec. 17, 1912 1,239,075 Bagnall et al. Sept. 4, 1917 2,178,539 Hill et a1. NOV. 7, 1939
US1176A 1948-01-08 1948-01-08 Multiple jet spray nozzle Expired - Lifetime US2551538A (en)

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Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2667383A (en) * 1952-05-15 1954-01-26 Walter E Hensel Multiple jet spray device
US2762331A (en) * 1952-06-18 1956-09-11 United States Steel Corp Oil spray devices for electrostatic oiling machines
US3035776A (en) * 1958-08-14 1962-05-22 Klemp Gustav Apparatus for applying, distributing and smoothing plastic material to a wall surface
US3075646A (en) * 1959-10-01 1963-01-29 Ametek Inc Filter
US3136123A (en) * 1959-08-20 1964-06-09 Stein Samuel Rocket engine injector
US3141301A (en) * 1960-04-12 1964-07-21 United Aircraft Corp Rocket injector head
US3589611A (en) * 1969-03-05 1971-06-29 John B Jones Jr Distributors for injecting fluids into vessels
US3677527A (en) * 1969-04-17 1972-07-18 Aga Ab Humidification equipment for gases
US3850241A (en) * 1972-07-24 1974-11-26 Chevron Res High pressure jet well cleaning
US3934641A (en) * 1974-03-20 1976-01-27 Fives-Cail Babcock Cooling arrangement for continuously cast metal objects
FR2336556A1 (en) * 1975-12-24 1977-07-22 Gen Electric PERFECTED FUEL INJECTOR FOR GAS TURBINE
US4072772A (en) * 1973-08-09 1978-02-07 Ppg Industries, Inc. Linear curtain spray applicator
US4504014A (en) * 1983-01-31 1985-03-12 D & W Industries, Inc. Device for atomizing a liquid
WO1987006858A1 (en) * 1986-05-14 1987-11-19 Slautterback Corporation Hot-melt sputtering apparatus
US4749129A (en) * 1986-02-03 1988-06-07 D & W Industries, Inc. Device for atomizing a liquid
US4768718A (en) * 1987-04-10 1988-09-06 Slautterback Corporation Nozzle with internal valve for applying viscous fluid material
US4849049A (en) * 1986-05-14 1989-07-18 Slautterback Corporation Joining of dissimilar surfaces by quasi-random adhesive splatter pattern
US4900390A (en) * 1986-05-14 1990-02-13 Slautterback Corporation Quasi-random dot pattern adhesive joining method
US5238657A (en) * 1991-04-04 1993-08-24 A. Ahlstrom Corporation Method and apparatus for purifying flue gases
WO1999012843A1 (en) * 1997-09-09 1999-03-18 Lang Apparatebau Gmbh Double pipe spray system
US6322008B1 (en) 1999-01-11 2001-11-27 Graves Spray Supply, Inc Liquid impingement nozzle with paired openings
US20070069045A1 (en) * 2004-05-19 2007-03-29 Alessandro Moretto Ejector of a mixture of air and water for hydromassage baths
US7219849B1 (en) 2005-12-13 2007-05-22 Graves Spray Supply, Inc. Liquid impingement nozzle with paired openings
US20130112774A1 (en) * 2011-11-03 2013-05-09 Wei Zhou Awning mist system
US20160363319A1 (en) * 2014-08-15 2016-12-15 General Electric Company Air-shielded fuel injection assembly to facilitate reduced nox emissions in a combustor system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US325376A (en) * 1885-09-01 Elbeidge baker
US980002A (en) * 1908-06-06 1910-12-27 American Tar Company Oil-distributing apparatus.
US1017533A (en) * 1912-02-13 Joseph E J Goodlett Atomizing-nozzle.
US1047619A (en) * 1912-04-02 1912-12-17 Jacob Frank Decker Machine for heating and distributing materials.
US1239075A (en) * 1916-06-16 1917-09-04 Charles H Parkin Nozzle for applying adhesive coating material.
US2178539A (en) * 1936-05-16 1939-11-07 Texas Co Apparatus for conditioning fibrous material

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US325376A (en) * 1885-09-01 Elbeidge baker
US1017533A (en) * 1912-02-13 Joseph E J Goodlett Atomizing-nozzle.
US980002A (en) * 1908-06-06 1910-12-27 American Tar Company Oil-distributing apparatus.
US1047619A (en) * 1912-04-02 1912-12-17 Jacob Frank Decker Machine for heating and distributing materials.
US1239075A (en) * 1916-06-16 1917-09-04 Charles H Parkin Nozzle for applying adhesive coating material.
US2178539A (en) * 1936-05-16 1939-11-07 Texas Co Apparatus for conditioning fibrous material

Cited By (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2667383A (en) * 1952-05-15 1954-01-26 Walter E Hensel Multiple jet spray device
US2762331A (en) * 1952-06-18 1956-09-11 United States Steel Corp Oil spray devices for electrostatic oiling machines
US3035776A (en) * 1958-08-14 1962-05-22 Klemp Gustav Apparatus for applying, distributing and smoothing plastic material to a wall surface
US3136123A (en) * 1959-08-20 1964-06-09 Stein Samuel Rocket engine injector
US3075646A (en) * 1959-10-01 1963-01-29 Ametek Inc Filter
US3141301A (en) * 1960-04-12 1964-07-21 United Aircraft Corp Rocket injector head
US3589611A (en) * 1969-03-05 1971-06-29 John B Jones Jr Distributors for injecting fluids into vessels
US3677527A (en) * 1969-04-17 1972-07-18 Aga Ab Humidification equipment for gases
US3850241A (en) * 1972-07-24 1974-11-26 Chevron Res High pressure jet well cleaning
US4072772A (en) * 1973-08-09 1978-02-07 Ppg Industries, Inc. Linear curtain spray applicator
US3934641A (en) * 1974-03-20 1976-01-27 Fives-Cail Babcock Cooling arrangement for continuously cast metal objects
FR2336556A1 (en) * 1975-12-24 1977-07-22 Gen Electric PERFECTED FUEL INJECTOR FOR GAS TURBINE
US4070826A (en) * 1975-12-24 1978-01-31 General Electric Company Low pressure fuel injection system
US4504014A (en) * 1983-01-31 1985-03-12 D & W Industries, Inc. Device for atomizing a liquid
US4721252A (en) * 1985-02-22 1988-01-26 Slautterback Corporation Hot-melt sputtering apparatus
US4749129A (en) * 1986-02-03 1988-06-07 D & W Industries, Inc. Device for atomizing a liquid
WO1987006858A1 (en) * 1986-05-14 1987-11-19 Slautterback Corporation Hot-melt sputtering apparatus
US4849049A (en) * 1986-05-14 1989-07-18 Slautterback Corporation Joining of dissimilar surfaces by quasi-random adhesive splatter pattern
US4900390A (en) * 1986-05-14 1990-02-13 Slautterback Corporation Quasi-random dot pattern adhesive joining method
US4768718A (en) * 1987-04-10 1988-09-06 Slautterback Corporation Nozzle with internal valve for applying viscous fluid material
US5238657A (en) * 1991-04-04 1993-08-24 A. Ahlstrom Corporation Method and apparatus for purifying flue gases
WO1999012843A1 (en) * 1997-09-09 1999-03-18 Lang Apparatebau Gmbh Double pipe spray system
US6322008B1 (en) 1999-01-11 2001-11-27 Graves Spray Supply, Inc Liquid impingement nozzle with paired openings
US20070069045A1 (en) * 2004-05-19 2007-03-29 Alessandro Moretto Ejector of a mixture of air and water for hydromassage baths
US7219849B1 (en) 2005-12-13 2007-05-22 Graves Spray Supply, Inc. Liquid impingement nozzle with paired openings
US20070131801A1 (en) * 2005-12-13 2007-06-14 Graves Spray Supply, Inc. Liquid impingement nozzle with paired openings
US20130112774A1 (en) * 2011-11-03 2013-05-09 Wei Zhou Awning mist system
US8763931B2 (en) * 2011-11-03 2014-07-01 Wei Zhou Awning mist system
US20160363319A1 (en) * 2014-08-15 2016-12-15 General Electric Company Air-shielded fuel injection assembly to facilitate reduced nox emissions in a combustor system
US10288291B2 (en) * 2014-08-15 2019-05-14 General Electric Company Air-shielded fuel injection assembly to facilitate reduced NOx emissions in a combustor system

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