WO2000041814A1 - Liquid impingement nozzle with paired openings - Google Patents
Liquid impingement nozzle with paired openings Download PDFInfo
- Publication number
- WO2000041814A1 WO2000041814A1 PCT/US1999/007959 US9907959W WO0041814A1 WO 2000041814 A1 WO2000041814 A1 WO 2000041814A1 US 9907959 W US9907959 W US 9907959W WO 0041814 A1 WO0041814 A1 WO 0041814A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- openings
- pair
- nozzle
- nozzle according
- solid liquid
- Prior art date
Links
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
- B05B1/26—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
Definitions
- This invention relates to liquid spray nozzles. More particularly, it refers to a spray nozzle having openings angled towards each other to form a triangular spray pattern from two impacting non-atomized liquid streams.
- Spray nozzles for generating streams of liquid are well known as seen from U.S. Patent 4,854,504 which describes a resin being emitted from a nozzle having an oval opening in the center and streams of catalyst impinging on the resin stream from angles on each side of the oval opening.
- air control nozzles are located on either side of the catalyst openings and these also impinge on the resin stream after the catalyst has been mixed with the resin stream.
- Other patents showing an external mix spraying system are U.S. Patent 4,824,017, U.S. Patent 5,085,370 and U.S. Patent 5,067,515. The latter two show multi-fluid spray guns in which a resin catalyst is mixed in externally.
- Other spray guns are shown in U.S. Patent 4,948,048 and 4,925,104.
- the open contact molding process using polyester resins employs nozzles having at least two series of parallel openings and is known as a FLOCOAT nozzle.
- This nozzle creates several streams in a fan-like spray pattern and reduces noxious emissions to the atmosphere.
- the size limitation of the nozzle openings of .010 to .030 inches causes constant plugging in some applications. Therefore, FLOCOAT nozzles cannot be used in the tub/shower and other industries where it is necessary to add fillers such as calcium sulfate, calcium carbonate and aluminum trihydrate to the resin for fire retardency as well as economics. These fillers are fairly large in size and tend to agglomerate resulting in constant tip plugging when a FLOCOAT nozzle is used.
- the gaps created in the FLOCOAT pattern also eliminate it from being used to apply polyester gelcoat.
- This is typically the first coating applied to a mold when producing a fiberglass part. Its primary purpose is to provide shielding as well as a cosmetic finish and it is typically applied in a thin film of between .010 to .040 inches.
- the FLOCOAT nozzle does not provide uniform coverage in this thickness range and therefore is unacceptable for this application. It is for these reasons that these two very large segments of the fiberglass industry; i.e., filled resins and gelcoats, cannot utilize FLOCOAT technology to reduce emissions.
- the Environmental Protection Agency (EPA) of the U.S. Government is actively seeking ways to limit these styrene emissions. Additional standards for the reinforced plastics and composite source category and boat building source category are scheduled to be promulgated by the EPA on November 15, 2000.
- the nozzle of this invention creates a novel flat triangular spray pattern that significantly reduces emissions of volatile organic compounds.
- the nozzles of this invention can be used in polyester gelcoat applications to reduce emissions of volatile organic compounds from the conventional airless air assist nozzles of 70-80 ppm to 20-30 ppm using the nozzle of this invention.
- the front face of the nozzle has at least one pair of openings spaced apart from each other and angled towards each other from 1° to 89°.
- the preferred embodiment employs circular openings.
- a non-atomized pressurized solid liquid stream passes through each opening and meets at a designated distance in front of the nozzle opening depending on the angle of incidence selected for each opening of the pair of openings .
- No object is interposed between the front face of the nozzle and the point of intersection of the two streams of liquid. At the point of intersection of the two streams an apex of a triangular stream pattern is formed.
- the liquid pattern produced by the nozzle of this invention provides uses in a myriad of industries and was not previously realized as being possible from a pair of angled openings in a nozzle face. In addition, it produces a spray pattern in the resin industry that substantially reduces emissions to the environment of styrene and other volatile organic compounds.
- Figure 1 is a perspective view of the spray pattern generated by the nozzle of this invention
- Figure 2 is a front elevational view of the inventive spray nozzle with one pair of circular openings;
- Figure 3 is a sectional view along lines 3-3 of FIG 2 ;
- Figure 4 is a perspective view of a cylindrical impingement tip for a spray nozzle of this invention.
- Figure 5 is a perspective view of a rectangular impingement tip for a spray nozzle of this invention
- Figure 6 is a perspective view of a V-groove impingement tip for a spray nozzle of this invention
- Figure 7 is a perspective view of a concave impingement tip for a spray nozzle of this invention.
- Figure 8 is a perspective view of an impingement tip with rectangular openings
- Figure 9 is a perspective view of an impingement tip with elliptical slot openings
- Figure 10 is a perspective view of an impingement tip with triangular openings
- Figure 11 is a perspective view of an impingement tip with octagonal openings
- FIG. 12 is an exploded view of an impingement tip used to mount within a catalyst tip. Best Mode for Carrying Out the Invention Throughout the following detailed description, the same reference numerals refer to the same elements in all figures.
- the nozzle 10 of this invention shown in Figures 1 and 2 is affixed to a spray gun 12 which has a pressurized source (not shown) such as a pump that directs liquid streams 14 and 16 from nozzle openings 18 and 20 respectively.
- a pressurized source such as a pump that directs liquid streams 14 and 16 from nozzle openings 18 and 20 respectively.
- openings 18 and 20 are circular as shown in Figures
- the liquid streams can be the same or different liquids.
- the liquid streams 14 and 16 meet at apex 22 to form a flat uniform triangular 24 spray pattern.
- the distance 26 between openings 18 and 20 and the angle of openings 18 and 20 towards each other determines the distance from the face 28 of nozzle 10 of the apex 22. The smaller the angle between 18 and
- the nozzle openings 18 and 20 can be circular as shown in Figure 2, rectangular 18a and 20a (see Figure 8) , elliptical 18b and 20b (see Figure 9) , triangular 18c and 20c (see Figure 10) , octagonal 18d and 20d (see Figure 11) , or other polygonal shape, and be located on the same axis 32 as shown in Figure 2. Additional pairs of nozzles can be inserted on the same axis 32 of face 28 to generate triangular spray patterns. In each case the pairs of openings in the nozzle must be angled towards each other in order to obtain the triangular spray pattern 24.
- the openings 18 and 20 are the same as the nozzle openings 18 and 20 in Figure 2 and are located along the same axis.
- the impingement tip can be rectangular 36 as shown in Figure 5.
- an alternative grooved impingement tip 38 is shown in Figure 6 and a concave impingement tip 40 is shown in Figure 7.
- the openings 18 and 20 are angled towards each other so that the streams 14 and 16 meet at apex 22 as shown in Figure 1 and form the flat triangular spray pattern 24.
- the angle of openings 18 and 20 towards each other can be anywhere from 1° to 89°. Of course the smaller the degree of angle with respect to face 28 the closer the two streams will be spaced at apex 22 from the face 28 of the impingement tip. It is preferred for the use in the resin industry to have the angle of openings 18 and 20 from face 28 to be 2° to 55°. Generally, in non-circular configurations, the area of the openings can be .00002 to 3.5 square inches. In the preferred embodiment, the diameter of the circular openings 18 and 20 should be from .005 to .175 inches as used in the resin industry.
- the pump pressure to drive the liquid through openings 18 and 20 can be anywhere from 10 to 2,000 psi depending upon the type of use employed. It is preferred for resin uses that the pressure be only 50 to 750 psi.
- the bigger headers that can be as much as one foot wide would be used for putting out fires, for building sprinklers, agricultural headers or car wash nozzles.
- Additional pairs of openings for producing triangular patterns can be used on the front face of the header but must be on the same axis 32 and be angled in such a fashion as to not interfere with the spray pattern generated by another' pair of nozzle openings on that axis .
- Sample Source Eighteen inches above exhaust fan inside exhaust stack.
- Styrene Testing Device Sensidyne Model 800 Gas Sampling Pump Impingement Nozzle: Two circular openings on same axis angled 25° from the nozzle face towards each other, each opening having a 0.080 inch diameter and separated by 0.5 inches .
- Styrene content 40-42% Pressure: 350 psi Catalyst Level: 2 percent Target Distance: 24 inches Sample Time: 30 seconds from beginning of spray Sample Source: Eighteen inches above exhaust fan inside of exhaust stack
- No bar or other obstruction is present in front of the nozzle face 28 to generate the triangular spray pattern from the nozzle of the present invention.
- Various other nozzle impingement tips of different geometry including spray tip openings mounted on any support structure can be substituted for the impingement tips described in this invention to generate the desired triangular pattern of this invention provided that the orifice openings are angled towards each other, conform to the shape described herein and are on a common axis.
- Additional nozzle openings for use with air assist or to add catalyst could be added to the nozzle face 28 as seen in Figure 12 where a catalyst tip 42 having catalyst source openings 44 and 46 are mounted on each side of the impingement tip 48.
- the impingement tip 48 having openings 18 and 20 is mounted in the center 50 of catalyst tip 42 so that catalyst can be sprayed on the triangular resin stream.
- impingement tip openings that can form a triangular resin stream can be substituted for the nozzle openings described herein to produce the desirable reduction in volatile organic compounds produced during spraying processes.
Landscapes
- Nozzles (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99916630A EP1150777A4 (en) | 1999-01-11 | 1999-04-12 | Liquid impingement nozzle with paired openings |
CA002360467A CA2360467C (en) | 1999-01-11 | 1999-04-12 | Liquid impingement nozzle with paired openings |
DE1150777T DE1150777T1 (en) | 1999-01-11 | 1999-04-12 | LIQUID NOZZLE WITH TWO OUTLETS TO CREATE COLLECTING JETS |
AU34909/99A AU3490999A (en) | 1999-01-11 | 1999-04-12 | Liquid impingement nozzle with paired openings |
US09/402,526 US6322008B1 (en) | 1999-01-11 | 1999-04-12 | Liquid impingement nozzle with paired openings |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US22816899A | 1999-01-11 | 1999-01-11 | |
US09/228,168 | 1999-01-11 | ||
US27767899A | 1999-03-26 | 1999-03-26 | |
US09/277,678 | 1999-03-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000041814A1 true WO2000041814A1 (en) | 2000-07-20 |
Family
ID=26922120
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1999/007959 WO2000041814A1 (en) | 1999-01-11 | 1999-04-12 | Liquid impingement nozzle with paired openings |
Country Status (6)
Country | Link |
---|---|
US (1) | US6322008B1 (en) |
EP (1) | EP1150777A4 (en) |
AU (1) | AU3490999A (en) |
CA (1) | CA2360467C (en) |
DE (1) | DE1150777T1 (en) |
WO (1) | WO2000041814A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7152808B2 (en) | 2000-05-22 | 2006-12-26 | Kautex Textron Cvs Limited | Fluid spray nozzle |
EP1509266B1 (en) * | 2002-05-16 | 2009-07-01 | Boehringer Ingelheim International GmbH | System comprising a nozzle and a fixing system |
ITVR20130263A1 (en) * | 2013-11-29 | 2015-05-30 | Technoalpin Holding S P A | EQUIPMENT FOR THE FORMATION OF FREEZING NUCLEI FOR ARTIFICIAL SNOW PRODUCTION DEVICES |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009517214A (en) * | 2005-12-01 | 2009-04-30 | スリーエム イノベイティブ プロパティズ カンパニー | Multi-component liquid spray system |
US20070125886A1 (en) * | 2005-12-01 | 2007-06-07 | 3M Innovative Properties Company | Methods of spraying multi-component liquids |
US7219849B1 (en) | 2005-12-13 | 2007-05-22 | Graves Spray Supply, Inc. | Liquid impingement nozzle with paired openings |
JP4306710B2 (en) * | 2006-09-26 | 2009-08-05 | 株式会社デンソー | Fuel injection nozzle |
US7337989B1 (en) | 2007-03-26 | 2008-03-04 | S.C. Johnson & Son, Inc. | Automated sprayer with manually-adjustable nozzle |
GB0800709D0 (en) | 2008-01-16 | 2008-02-20 | Dunne Stephen T | Double jet impinging nozzle |
US8573515B2 (en) * | 2009-10-05 | 2013-11-05 | Strahman Valves, Inc. | Aerating nozzle tip |
DE102012210901B4 (en) * | 2012-06-26 | 2015-06-25 | Marco Systemanalyse Und Entwicklung Gmbh | Method and device for coating a component with a liquid |
US10857507B2 (en) * | 2016-03-23 | 2020-12-08 | Alfa Laval Corporate Ab | Apparatus for dispersing particles in a liquid |
US9950328B2 (en) * | 2016-03-23 | 2018-04-24 | Alfa Laval Corporate Ab | Apparatus for dispersing particles in a fluid |
WO2019160898A1 (en) | 2018-02-13 | 2019-08-22 | Tan Yung Chieh | Liquid saving device |
ES2931962T3 (en) * | 2018-06-04 | 2023-01-05 | Gjosa Sa | cartridge, cartridge working method, insert and outlet of water nozzle |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3986672A (en) * | 1975-01-31 | 1976-10-19 | Smith Robert L | Spray gun system |
USRE30486E (en) * | 1977-10-25 | 1981-01-20 | Nozzle assemblies for atomizing and mixing different fluids and combining the mixture with solids and the like | |
US5088649A (en) * | 1990-07-12 | 1992-02-18 | Par-Way Group | Pump sprayable dispensing system for vegetable oil based pan coatings |
US5516045A (en) * | 1992-05-21 | 1996-05-14 | L'oreal | Pushbutton intended to be fitted to a valve or a pump equipping a dispenser, and dispenser including such a pushbutton |
US5540200A (en) * | 1993-12-28 | 1996-07-30 | Nissan Motor Co., Ltd. | Fuel injection valve |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2335116A (en) | 1934-05-12 | 1943-11-23 | American Anode Inc | Apparatus for spraying a plurality of fluids |
US2249205A (en) | 1934-05-12 | 1941-07-15 | American Anode Inc | Method and apparatus for applying temporary protective coatings to articles |
US2551538A (en) | 1948-01-08 | 1951-05-01 | Walter E Hensel | Multiple jet spray nozzle |
BE514104A (en) * | 1952-09-10 | 1952-09-30 | ||
US2941696A (en) | 1957-08-19 | 1960-06-21 | Ortho Pharma Corp | Dispensing container |
US3033472A (en) | 1957-11-18 | 1962-05-08 | Flintkote Co | Spraying of liquid plastic and an additive material |
US3045925A (en) | 1959-09-29 | 1962-07-24 | Michael N Giangualano | Multiple spray apparatus |
US3542296A (en) | 1968-08-28 | 1970-11-24 | Ransburg Electro Coating Corp | Apparatus for forming plastic articles |
US4854504A (en) | 1983-11-04 | 1989-08-08 | Graves Spray Supply Co., Inc. | Fiberglass spray nozzle |
US4824017A (en) | 1986-07-14 | 1989-04-25 | Glas-Craft, Inc. | External mix spraying system |
US4925104A (en) | 1988-01-29 | 1990-05-15 | Graves Spray Supply, Inc. | Compact spray gun |
US5067515A (en) | 1988-01-29 | 1991-11-26 | Graves Spray Supply, Inc. | Compact spray gun |
US4948048A (en) | 1988-01-29 | 1990-08-14 | Graves Spray Supply, Inc. | Compact spray gun |
US5085370A (en) | 1988-01-29 | 1992-02-04 | Graves Spray Supply, Incorporated | Compact spray gun |
SG45171A1 (en) * | 1990-03-21 | 1998-01-16 | Boehringer Ingelheim Int | Atomising devices and methods |
US5249747A (en) * | 1990-07-12 | 1993-10-05 | Par-Way Group | Sprayable dispensing system for viscous vegetable oils and apparatus therefor |
US5358179A (en) * | 1993-08-18 | 1994-10-25 | The Procter & Gamble Company | Atomization systems for high viscosity products |
SE513665C2 (en) * | 1995-09-25 | 2000-10-16 | Aplicator System Ab | Nozzle for dispensing of thermosetting resin and hardener |
US5704548A (en) | 1996-05-01 | 1998-01-06 | Graves Spray Supply, Inc. | Spray nozzle having air shaping orifices and reversing structure for cleaning |
-
1999
- 1999-04-12 WO PCT/US1999/007959 patent/WO2000041814A1/en not_active Application Discontinuation
- 1999-04-12 EP EP99916630A patent/EP1150777A4/en not_active Withdrawn
- 1999-04-12 US US09/402,526 patent/US6322008B1/en not_active Expired - Lifetime
- 1999-04-12 AU AU34909/99A patent/AU3490999A/en not_active Abandoned
- 1999-04-12 CA CA002360467A patent/CA2360467C/en not_active Expired - Fee Related
- 1999-04-12 DE DE1150777T patent/DE1150777T1/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3986672A (en) * | 1975-01-31 | 1976-10-19 | Smith Robert L | Spray gun system |
USRE30486E (en) * | 1977-10-25 | 1981-01-20 | Nozzle assemblies for atomizing and mixing different fluids and combining the mixture with solids and the like | |
US5088649A (en) * | 1990-07-12 | 1992-02-18 | Par-Way Group | Pump sprayable dispensing system for vegetable oil based pan coatings |
US5516045A (en) * | 1992-05-21 | 1996-05-14 | L'oreal | Pushbutton intended to be fitted to a valve or a pump equipping a dispenser, and dispenser including such a pushbutton |
US5540200A (en) * | 1993-12-28 | 1996-07-30 | Nissan Motor Co., Ltd. | Fuel injection valve |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7152808B2 (en) | 2000-05-22 | 2006-12-26 | Kautex Textron Cvs Limited | Fluid spray nozzle |
EP1509266B1 (en) * | 2002-05-16 | 2009-07-01 | Boehringer Ingelheim International GmbH | System comprising a nozzle and a fixing system |
ITVR20130263A1 (en) * | 2013-11-29 | 2015-05-30 | Technoalpin Holding S P A | EQUIPMENT FOR THE FORMATION OF FREEZING NUCLEI FOR ARTIFICIAL SNOW PRODUCTION DEVICES |
Also Published As
Publication number | Publication date |
---|---|
DE1150777T1 (en) | 2002-10-02 |
EP1150777A1 (en) | 2001-11-07 |
CA2360467A1 (en) | 2000-07-20 |
CA2360467C (en) | 2004-06-08 |
EP1150777A4 (en) | 2002-09-11 |
AU3490999A (en) | 2000-08-01 |
US6322008B1 (en) | 2001-11-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2360467C (en) | Liquid impingement nozzle with paired openings | |
US20070131801A1 (en) | Liquid impingement nozzle with paired openings | |
CA1120340A (en) | Foam coating | |
US5178325A (en) | Apparatus and methods for application of coatings with compressible fluids as diluent by spraying from an orifice | |
US4386739A (en) | Nozzle for hydrostatic fluid tip | |
US5533674A (en) | Drying nozzle | |
JPH11586A (en) | Method for applying liquid coating by improved spray nozzle and device therefor | |
DE59801901D1 (en) | SLOT NOZZLE FOR SPRAYING A CONTINUOUS CAST PRODUCT WITH A COOLANT | |
US3759450A (en) | Fluid mixing and spraying apparatus | |
EP1075333B1 (en) | Micro spray gun | |
KR20070012228A (en) | Air misterization cap for spray gun | |
KR100314111B1 (en) | An air spray gun type coating device | |
JPH04118150U (en) | spray mold | |
US4928884A (en) | Fluid assist airless spray nozzle | |
RU2152265C2 (en) | Orifice | |
JPH11226459A (en) | Coating gun | |
US5947390A (en) | Reduced emissions flow control plate | |
US4175702A (en) | Air nucleating spary gun | |
US6021962A (en) | Air assisted resin spray nozzle | |
KR101764676B1 (en) | revolving spray nozzle for painting and painting method of pipe | |
JP3106358B2 (en) | Hood for paint gun | |
JPS63104684A (en) | Method for coating inside surface of shape steel | |
JP4324392B2 (en) | Atomizing spray gun | |
JP3010289B1 (en) | Spray device using gas pressure | |
JP2001096200A (en) | Spray gun device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 09402526 Country of ref document: US |
|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AL AM AT AU AZ BA BB BG BR BY CA CH CN CU CZ DE DK EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MD MG MK MN MW MX NO NZ PL PT RO RU SD SE SG SI SK SL TJ TM TR TT UA UG US US UZ VN YU ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): GH GM KE LS MW SD SL SZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE BF BJ CF CG CI CM GA GN GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
WWE | Wipo information: entry into national phase |
Ref document number: 1999916630 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref document number: 2360467 Country of ref document: CA Ref country code: CA Ref document number: 2360467 Kind code of ref document: A Format of ref document f/p: F |
|
WWP | Wipo information: published in national office |
Ref document number: 1999916630 Country of ref document: EP |
|
REG | Reference to national code |
Ref country code: DE Ref legal event code: 8642 |
|
WWW | Wipo information: withdrawn in national office |
Ref document number: 1999916630 Country of ref document: EP |