GB1215647A - Application of substance to surfaces - Google Patents

Application of substance to surfaces

Info

Publication number
GB1215647A
GB1215647A GB29053/68A GB2905368A GB1215647A GB 1215647 A GB1215647 A GB 1215647A GB 29053/68 A GB29053/68 A GB 29053/68A GB 2905368 A GB2905368 A GB 2905368A GB 1215647 A GB1215647 A GB 1215647A
Authority
GB
United Kingdom
Prior art keywords
particles
coating
chamber
ionizer
gas
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
Application number
GB29053/68A
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.)
Gourdine Systems Inc
Original Assignee
Gourdine Systems Inc
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 Gourdine Systems Inc filed Critical Gourdine Systems Inc
Publication of GB1215647A publication Critical patent/GB1215647A/en
Expired legal-status Critical Current

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
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
    • B05B5/03—Discharge apparatus, e.g. electrostatic spray guns characterised by the use of gas, e.g. electrostatically assisted pneumatic spraying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/01—Pretreatment of the gases prior to electrostatic precipitation
    • B03C3/013—Conditioning by chemical additives, e.g. with SO3
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
    • B05B5/03—Discharge apparatus, e.g. electrostatic spray guns characterised by the use of gas, e.g. electrostatically assisted pneumatic spraying
    • B05B5/032—Discharge apparatus, e.g. electrostatic spray guns characterised by the use of gas, e.g. electrostatically assisted pneumatic spraying for spraying particulate materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
    • B05B5/08—Plant for applying liquids or other fluent materials to objects
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N3/00—Generators in which thermal or kinetic energy is converted into electrical energy by ionisation of a fluid and removal of the charge therefrom

Abstract

1,215,647. Electrogasdynamic coating. GOURDINE SYSTEMS, Inc. 14 Nov., 1967 [15 Nov., 1966] No. 29053/68. Divided out of 1,212,539. Headings B2E and B2L. A method of coating the surface of an object, in which a gas having a coating substance entrained in it in particle form flows along a bounded flow path to an outlet, the particles are charged by ionization in the flow path and are subsequently subjected to an axial charge-repelling field, and after issuing from the outlet the charged particles set up a space charge field under the influence of which the charged particles are precipitated from the gas to form the coating on the object. In the Figure an electrogas dynamic ionizer 164 is used in a system for coating the solid objects located within an earthed metal chamber 165. The ionizer is in the form of a gun and consists of a single flow channel defined between parallel dielectric plates 166 and corona and a attractor electrodes 167, 168 respectively. It is energized from a power supply 169 which applies an ionizing potential across the electrodes 167 and 168. The ionizer includes a supporting conduit 170 having an inlet 171 for the receipt of a carrier gas in which a coating substance in particle form is entrained. The gas and the particles enter the flow channel inlet 172 where the electrical discharge field between electrodes 167, 168 results in charging taking place. Ions and charged particles move downstream under exhausted chamber 165. Creating a space charge field therein. The chamber 165 contains three solid objects to be coated, 173 is metallic, connected by a conductor 173a to the metal wall 165a of the chamber; 173b is of the dielectric material earthed by conductor 173c terminating within the object 173b; and a third object 173d is of metal or an insulating material and is not earthed. As the charged particles are emitted from the ionizer 164 into the chamber 165 the objects 173 and 173b both receive an even coating of the particles over their whole surfaces while the object 173d receives a coating only on those surfaces exposed directly to the flow of particles from the outlet of the flow channel. The method may be used to coat particles in which charges of opposite polarity to those imparted to coating particles are applied to the particles to be coated.
GB29053/68A 1965-12-07 1967-11-14 Application of substance to surfaces Expired GB1215647A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US51208365A 1965-12-07 1965-12-07
US60127066A 1966-11-15 1966-11-15

Publications (1)

Publication Number Publication Date
GB1215647A true GB1215647A (en) 1970-12-16

Family

ID=24406861

Family Applications (4)

Application Number Title Priority Date Filing Date
GB29052/68A Expired GB1213547A (en) 1965-12-07 1967-11-14 Electrogasdynamic precipitation
GB29051/68A Expired GB1212784A (en) 1965-12-07 1967-11-14 Separation of substances from liquid carriers
GB29053/68A Expired GB1215647A (en) 1965-12-07 1967-11-14 Application of substance to surfaces
GB51840/67A Expired GB1212539A (en) 1965-12-07 1967-11-14 Electrogasdynamic precipitation

Family Applications Before (2)

Application Number Title Priority Date Filing Date
GB29052/68A Expired GB1213547A (en) 1965-12-07 1967-11-14 Electrogasdynamic precipitation
GB29051/68A Expired GB1212784A (en) 1965-12-07 1967-11-14 Separation of substances from liquid carriers

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB51840/67A Expired GB1212539A (en) 1965-12-07 1967-11-14 Electrogasdynamic precipitation

Country Status (3)

Country Link
DE (1) DE1557073C3 (en)
FR (2) FR1511583A (en)
GB (4) GB1213547A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107309089A (en) * 2017-07-27 2017-11-03 重庆科技学院 Using the purifier of electrostatic removing impurities

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA976341A (en) * 1971-03-03 1975-10-21 Electrogasdynamics Pneumatically assisted hydraulic spray coating apparatus
CN108088809A (en) * 2017-12-29 2018-05-29 四川大学 Based on thin-layer chromatography-high pressure gas pulse liquid phase component separator associated with bis- spectrum

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107309089A (en) * 2017-07-27 2017-11-03 重庆科技学院 Using the purifier of electrostatic removing impurities
CN107309089B (en) * 2017-07-27 2023-06-06 重庆科技学院 Purifying device adopting static electricity to remove impurities

Also Published As

Publication number Publication date
DE1557073A1 (en) 1970-04-02
GB1212784A (en) 1970-11-18
DE1557073B2 (en) 1979-10-25
FR1511583A (en) 1968-04-11
GB1212539A (en) 1970-11-18
FR93966E (en) 1969-06-13
DE1557073C3 (en) 1980-07-03
GB1213547A (en) 1970-11-25

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