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FR3063024B1 - NOZZLE FOR SPRAY SYSTEM - Google Patents

NOZZLE FOR SPRAY SYSTEM Download PDF

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Publication number
FR3063024B1
FR3063024B1 FR1751395A FR1751395A FR3063024B1 FR 3063024 B1 FR3063024 B1 FR 3063024B1 FR 1751395 A FR1751395 A FR 1751395A FR 1751395 A FR1751395 A FR 1751395A FR 3063024 B1 FR3063024 B1 FR 3063024B1
Authority
FR
France
Prior art keywords
nozzle
fluidic passage
spray system
gas
convergent
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.)
Active
Application number
FR1751395A
Other languages
French (fr)
Other versions
FR3063024A1 (en
Inventor
Philippe Emmanuel Christophe Gomez
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR1751395A priority Critical patent/FR3063024B1/en
Publication of FR3063024A1 publication Critical patent/FR3063024A1/en
Application granted granted Critical
Publication of FR3063024B1 publication Critical patent/FR3063024B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • B05B7/0483—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 with gas and liquid jets intersecting in the mixing chamber
    • 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
    • B05B7/025—Nozzles having elongated outlets, e.g. slots, for the material to be sprayed
    • 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
    • B05B7/24—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 with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/2489—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 with means, e.g. a container, for supplying liquid or other fluent material to a discharge device an atomising fluid, e.g. a gas, being supplied to the discharge device
    • B05B7/2494—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 with means, e.g. a container, for supplying liquid or other fluent material to a discharge device an atomising fluid, e.g. a gas, being supplied to the discharge device a liquid being supplied from a pressurized or compressible container to the discharge device
    • 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
    • B05B7/24—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 with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/2402—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device
    • B05B7/2405—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle
    • B05B7/2424—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle the carried liquid and the main stream of atomising fluid being brought together downstream of the container before discharge
    • B05B7/2427—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle the carried liquid and the main stream of atomising fluid being brought together downstream of the container before discharge and a secondary stream of atomising fluid being brought together in the container or putting the carried liquid under pressure in the container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays

Landscapes

  • Nozzles (AREA)

Abstract

La présente invention concerne une buse (1) pour un système de pulvérisation (60). La buse (1) comprend un premier passage fluidique (11) permettant une circulation de gaz, un deuxième passage fluidique (21) permettant une circulation de liquide et une zone de jonction (31) entre le premier passage fluidique (11) et le second passage fluidique (21) dans laquelle le deuxième passage fluidique (21) débouche par une ouverture (22). Ladite ouverture (22) a de préférence la forme d'une fente. La buse (1) comprend de préférence une partie convergente-divergente (41, 42, 43) formant une tuyère de Laval, en amont ou en aval de la partie convergente-divergente . En outre, l'invention concerne un système de pulvérisation (60) dans lequel un circuit de liquide (80, 62, 21) est mis sous pression par du gaz circulant dans un circuit de gaz (70, 61, 11).The present invention relates to a nozzle (1) for a spray system (60). The nozzle (1) comprises a first fluidic passage (11) allowing gas to circulate, a second fluidic passage (21) allowing liquid to circulate and a junction zone (31) between the first fluidic passage (11) and the second fluidic passage (21) in which the second fluidic passage (21) emerges through an opening (22). Said opening (22) preferably has the shape of a slot. The nozzle (1) preferably comprises a convergent-divergent part (41, 42, 43) forming a Laval nozzle, upstream or downstream of the convergent-divergent part. Furthermore, the invention relates to a spray system (60) in which a liquid circuit (80, 62, 21) is pressurized by gas circulating in a gas circuit (70, 61, 11).

FR1751395A 2017-02-22 2017-02-22 NOZZLE FOR SPRAY SYSTEM Active FR3063024B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1751395A FR3063024B1 (en) 2017-02-22 2017-02-22 NOZZLE FOR SPRAY SYSTEM

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1751395A FR3063024B1 (en) 2017-02-22 2017-02-22 NOZZLE FOR SPRAY SYSTEM
FR1751395 2017-02-22

Publications (2)

Publication Number Publication Date
FR3063024A1 FR3063024A1 (en) 2018-08-24
FR3063024B1 true FR3063024B1 (en) 2021-12-24

Family

ID=58455326

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1751395A Active FR3063024B1 (en) 2017-02-22 2017-02-22 NOZZLE FOR SPRAY SYSTEM

Country Status (1)

Country Link
FR (1) FR3063024B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3862291A4 (en) * 2018-11-28 2022-07-20 Murata Manufacturing Co., Ltd. Atomizer

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1516439A (en) * 1923-11-07 1924-11-18 Fred I Jaden Combined cleaning and painting device
US2511626A (en) * 1942-04-17 1950-06-13 Sherwin Williams Co Apparatus for producing spatter finish coatings
FR1008377A (en) * 1950-01-14 1952-05-16 Improvement in spraying systems for liquids using a pressurized gaseous fluid
FR1366739A (en) * 1962-10-05 1964-07-17 Improvements to the spraying of liquids by vortex gas flows
US4919853A (en) * 1988-01-21 1990-04-24 The United States Of America As Represented By The United States Department Of Energy Apparatus and method for spraying liquid materials
US5511728A (en) * 1994-06-02 1996-04-30 The Babcock & Wilcox Company Dual fluid atomizer for high solids soil paste containing pebbles or agglomerates
GB201111082D0 (en) * 2011-06-29 2011-08-10 Univ Leeds Bubble generation

Also Published As

Publication number Publication date
FR3063024A1 (en) 2018-08-24

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