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WO1993024237B1 - Method and apparatus for producing a liquid spray - Google Patents

Method and apparatus for producing a liquid spray

Info

Publication number
WO1993024237B1
WO1993024237B1 PCT/GB1993/001089 GB9301089W WO9324237B1 WO 1993024237 B1 WO1993024237 B1 WO 1993024237B1 GB 9301089 W GB9301089 W GB 9301089W WO 9324237 B1 WO9324237 B1 WO 9324237B1
Authority
WO
WIPO (PCT)
Prior art keywords
liquid
jet
vibrations
generating
droplets
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.)
Ceased
Application number
PCT/GB1993/001089
Other languages
French (fr)
Other versions
WO1993024237A1 (en
Filing date
Publication date
Priority claimed from GB929211366A external-priority patent/GB9211366D0/en
Application filed filed Critical
Priority to EP93910292A priority Critical patent/EP0642390A1/en
Publication of WO1993024237A1 publication Critical patent/WO1993024237A1/en
Publication of WO1993024237B1 publication Critical patent/WO1993024237B1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Abstract

Apparatus for generating a spray of liquid comprises a nozzle (56) for receiving a flow of liquid and for forming the liquid into a jet, and means (eg. a hydrodynamic whistle 34, 52) for generating vibrations in the jet using energy obtained from the liquid, the vibrations being of at least one predetermined frequency such as to promote break-up of the jet into droplets.

Claims

AMENDED CLAIMS[received by the International Bureau on 26 November 1993 (26.1 1.93); original claims 1 and 7 amended; remaining claims unchanged (1 page)]
1. A method of generating a spray of liquid droplets comprising establishing a flow of the liquid, discharging the flowing liquid as a jet, and subjecting the jet of liquid to vibrations of at least one predetermined frequency which promotes the break-up of the jet into droplets after said discharge, characterised in that the energy for the vibrations is obtained from the liquid.
2. A method as claimed in Claim 1, wherein the energy is obtained from the kinetic or pressure energy of the liquid.
3. A method as claimed in Claim 1 or 2, corresponding generating said vibrations by inducing hydrodynamic oscillations in the liquid flow.
4. A method as claimed in any preceding claim, wherein the vibrations are induced in the liquid as or before it is formed into a jet.
5. A method as claimed in any preceding claim wherein the frequency is substantially a pure tone.
6. A method as claimed in Claim 5. wherein the vibration frequency and liquid flow rate are matched such that the vibration frequency is at or near to an unstable break-up frequency of the liquid jet, whereby the spray is substantially monodisperse.
7. Apparatus for generating a spray of liquid droplets comprising means for receiving a flow of liquid and for discharging the liquid as a jet, and means for generating vibrations in the jet using energy obtained from the liquid, the vibrations being of at least one predetermined frequency such as to promote break-up of the jet into droplets after said discharge.
8. Apparatus as claimed in Claim 7. wherein the means for generating vibrations is adapted to utilise the pressure or kinetic energy of the liquid. STATEMENT UNDER ARTICLE 19
Claims 1 and 7 are amended to emphasise that the liquid is broken-up into droplets after it has been discharged as a jet.
PCT/GB1993/001089 1992-05-29 1993-05-26 Method and apparatus for producing a liquid spray Ceased WO1993024237A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP93910292A EP0642390A1 (en) 1992-05-29 1993-05-26 Method and apparatus for producing a liquid spray

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9211366.1 1992-05-29
GB929211366A GB9211366D0 (en) 1992-05-29 1992-05-29 Method and apparatus for producing a liquid spray

Publications (2)

Publication Number Publication Date
WO1993024237A1 WO1993024237A1 (en) 1993-12-09
WO1993024237B1 true WO1993024237B1 (en) 1994-01-20

Family

ID=10716193

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1993/001089 Ceased WO1993024237A1 (en) 1992-05-29 1993-05-26 Method and apparatus for producing a liquid spray

Country Status (4)

Country Link
EP (1) EP0642390A1 (en)
AU (1) AU4085493A (en)
GB (1) GB9211366D0 (en)
WO (1) WO1993024237A1 (en)

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DE10248106A1 (en) * 2002-10-15 2004-05-19 Bühler AG Vibrodüsen arrangement
EP1697034A1 (en) 2003-12-23 2006-09-06 Niro A/S A METHOD AND APPARATUS FOR PRODUCING MICRO PARTICLES sp /sp
US10219448B2 (en) * 2015-12-21 2019-03-05 International Business Machines Corporation Autonomous mobile platform and variable rate irrigation method for preventing frost damage
RU2618702C1 (en) * 2016-10-10 2017-05-11 Олег Савельевич Кочетов Cochetov's acoustical head for atomizers spraying liquids
RU2618703C1 (en) * 2016-10-10 2017-05-11 Олег Савельевич Кочетов Kochetov's acoustic nozzle for atomizing liquids
RU2622952C1 (en) * 2016-10-10 2017-06-21 Олег Савельевич Кочетов Acoustic nozzle for liquid spraying
RU2622950C1 (en) * 2016-10-10 2017-06-21 Олег Савельевич Кочетов Kochetov's acoustic nozzle for liquids atomization
RU2622929C1 (en) * 2016-10-10 2017-06-21 Олег Савельевич Кочетов Acoustic nozzle
RU2623771C1 (en) * 2016-10-10 2017-06-29 Олег Савельевич Кочетов Acoustic nozzle for spraying solutions
RU2622944C1 (en) * 2016-10-10 2017-06-21 Олег Савельевич Кочетов Acoustic nozzle of kochetov for spraying solutions
RU2639699C1 (en) * 2017-04-27 2017-12-21 Олег Савельевич Кочетов Acoustical head for atomizers for spraying liquids
RU2641275C1 (en) * 2017-04-27 2018-01-16 Олег Савельевич Кочетов Acoustic head for nozzles for spraying liquids with parabolic swirler
RU2638348C1 (en) * 2017-04-27 2017-12-13 Олег Савельевич Кочетов Acoustic nozzle for atomization of liquids by kochetov
RU2640528C1 (en) * 2017-05-19 2018-01-09 Олег Савельевич Кочетов Acoustic nozzle with double liquid inlet
RU2651915C1 (en) * 2017-06-19 2018-04-24 Олег Савельевич Кочетов Acoustic atomiser for spraying solutions
RU2642574C1 (en) * 2017-06-19 2018-01-25 Олег Савельевич Кочетов Acoustic spray for spraying suspended mixtures
RU2642649C1 (en) * 2017-06-19 2018-01-25 Олег Савельевич Кочетов Acoustic nozzle
RU2644870C1 (en) * 2017-06-19 2018-02-14 Олег Савельевич Кочетов Acoustic atomizer with dual liquid inlet
RU2645372C1 (en) * 2017-06-26 2018-02-21 Олег Савельевич Кочетов Spray dryer
RU2645371C1 (en) * 2017-06-26 2018-02-21 Олег Савельевич Кочетов Spray dryer with counter swirling flows of vht type
RU2646665C1 (en) * 2017-06-26 2018-03-06 Олег Савельевич Кочетов Drying coating layer with inert fittings
RU2645377C1 (en) * 2017-06-26 2018-02-21 Олег Савельевич Кочетов Installation for drying fluids with the inert nozzle
RU2644873C1 (en) * 2017-06-26 2018-02-14 Олег Савельевич Кочетов Acoustic spray for spraying liquids
RU2645382C1 (en) * 2017-06-26 2018-02-21 Олег Савельевич Кочетов Drying device for high-moisture materials
RU2644871C1 (en) * 2017-06-26 2018-02-14 Олег Савельевич Кочетов Acoustic spray for spraying suspended mixtures
RU2645786C1 (en) * 2017-06-29 2018-02-28 Олег Савельевич Кочетов Installation for drying fluids with the inert nozzle
RU2647004C1 (en) * 2017-06-29 2018-03-13 Олег Савельевич Кочетов Drying device for high-moisture materials
RU2646660C1 (en) * 2017-06-29 2018-03-06 Олег Савельевич Кочетов Drying coating layer with inert fittings
RU2645788C1 (en) * 2017-06-29 2018-02-28 Олег Савельевич Кочетов Device for drying of solutions and suspensions in fluidized bed of inert bodies
RU2644860C1 (en) * 2017-06-29 2018-02-14 Олег Савельевич Кочетов Acoustic atomiser for spraying solutions
RU2644852C1 (en) * 2017-06-30 2018-02-14 Олег Савельевич Кочетов Acoustic atomizer
RU2644867C1 (en) * 2017-06-30 2018-02-14 Олег Савельевич Кочетов Acoustic atomizer
RU2673047C1 (en) * 2017-12-01 2018-11-21 Олег Савельевич Кочетов Conical jet scrubber
RU2663733C1 (en) * 2017-12-28 2018-08-09 Олег Савельевич Кочетов Acoustic atomizer with dual liquid inlet
RU2667283C1 (en) * 2018-02-06 2018-09-18 Олег Савельевич Кочетов Acoustic atomizer for spraying solutions
RU2668895C1 (en) * 2018-02-13 2018-10-04 Олег Савельевич Кочетов Acoustic atomizer for spraying solutions
RU2669834C1 (en) * 2018-04-10 2018-10-16 Олег Савельевич Кочетов Acoustic atomizer for spraying solutions
CA3219769A1 (en) * 2021-07-06 2023-01-12 Dlhbowles, Inc. Pulsating spray cleaning nozzle assembly and method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3776460A (en) * 1972-06-05 1973-12-04 American Standard Inc Spray nozzle
US4562867A (en) * 1978-11-13 1986-01-07 Bowles Fluidics Corporation Fluid oscillator
US4905909A (en) * 1987-09-02 1990-03-06 Spectra Technologies, Inc. Fluidic oscillating nozzle

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