GB1350168A - Plasma spray gun - Google Patents

Plasma spray gun

Info

Publication number
GB1350168A
GB1350168A GB3614172A GB3614172A GB1350168A GB 1350168 A GB1350168 A GB 1350168A GB 3614172 A GB3614172 A GB 3614172A GB 3614172 A GB3614172 A GB 3614172A GB 1350168 A GB1350168 A GB 1350168A
Authority
GB
United Kingdom
Prior art keywords
plasma
ducts
torch
torches
aug
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
GB3614172A
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.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
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 Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Publication of GB1350168A publication Critical patent/GB1350168A/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
    • 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
    • B05B7/16—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 incorporating means for heating or cooling the material to be sprayed
    • B05B7/22—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 incorporating means for heating or cooling the material to be sprayed electrically, magnetically or electromagnetically, e.g. by arc
    • B05B7/222—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 incorporating means for heating or cooling the material to be sprayed electrically, magnetically or electromagnetically, e.g. by arc using an arc
    • B05B7/224—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 incorporating means for heating or cooling the material to be sprayed electrically, magnetically or electromagnetically, e.g. by arc using an arc the material having originally the shape of a wire, rod or the like
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
    • C23C4/134—Plasma spraying
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H05H1/26—Plasma torches
    • H05H1/32—Plasma torches using an arc
    • H05H1/44—Plasma torches using an arc using more than one torch

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Electromagnetism (AREA)
  • Plasma Technology (AREA)
  • Arc Welding In General (AREA)
  • Coating By Spraying Or Casting (AREA)
  • Nozzles (AREA)

Abstract

1350168 Spraying metal COMMISSARIAT A L'ENERGIE ATOMIQUE 2 Aug 1972 [4 Aug 1971] 36141/72 Heading C7F [Also in Division H5] In a method of spraying a fusible substance in plasma form, the substance being progressively moved forward into a region where the flames produced by at least two plasma torches converge, the plasma torches are supplied in series by a single current supply such that the anode of one torch is connected to the cathode of the next Fig. 2. Fig. 1 shows a plasma spray gun using the invention having torches comprising anode 7, cathode 8 and insulating sleeve 10. Each torch is mounted by seals 12 and ceramic bush 13 within a chamber 14 which carries cooling water supplied and withdrawn by ducts 16, 15 located in a cork bung 17. Electrical connections are established through conductive braid (such as 21) connected to the ducts which act as terminals. Ducts (not shown) connect each torch chamber 5 to a supply of ionisable gas. The annular nozzle 6 can be arranged to inject air or inert gas to accelerate the spray particles. The fusible substance may be in the form of a wire, strand, or compressed powder rod.
GB3614172A 1971-08-04 1972-08-02 Plasma spray gun Expired GB1350168A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7128607A FR2148811A5 (en) 1971-08-04 1971-08-04

Publications (1)

Publication Number Publication Date
GB1350168A true GB1350168A (en) 1974-04-18

Family

ID=9081467

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3614172A Expired GB1350168A (en) 1971-08-04 1972-08-02 Plasma spray gun

Country Status (5)

Country Link
BE (1) BE786705A (en)
DE (1) DE7228707U (en)
FR (1) FR2148811A5 (en)
GB (1) GB1350168A (en)
IT (1) IT964876B (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2239462A (en) * 1989-12-26 1991-07-03 Gen Electric Microlaminated structure formed using two plasma guns
WO2000026429A1 (en) * 1998-10-31 2000-05-11 Grillo-Werke Ag Thermal spraying method and device used for coating surfaces
US6680085B2 (en) 1998-10-31 2004-01-20 Grillo-Werke Ag Method and device for thermal spraying for the coating of surfaces
CN109175639A (en) * 2018-10-30 2019-01-11 首都航天机械有限公司 A kind of double plasma arc increasing material manufacturing devices of coaxial wire feed
CN110919017A (en) * 2019-12-20 2020-03-27 北京工业大学 Method and device for preparing spherical metal powder by hot wire assisted plasma arc
CN115121799A (en) * 2021-03-24 2022-09-30 新奥科技发展有限公司 Plasma torch cathode and preparation method thereof

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7603318A (en) * 1976-03-31 1977-10-04 Philips Nv EQUIPMENT AND WELDING TORCH FOR PLASMA-MIG WELDING.

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2239462A (en) * 1989-12-26 1991-07-03 Gen Electric Microlaminated structure formed using two plasma guns
WO2000026429A1 (en) * 1998-10-31 2000-05-11 Grillo-Werke Ag Thermal spraying method and device used for coating surfaces
US6680085B2 (en) 1998-10-31 2004-01-20 Grillo-Werke Ag Method and device for thermal spraying for the coating of surfaces
CN109175639A (en) * 2018-10-30 2019-01-11 首都航天机械有限公司 A kind of double plasma arc increasing material manufacturing devices of coaxial wire feed
CN110919017A (en) * 2019-12-20 2020-03-27 北京工业大学 Method and device for preparing spherical metal powder by hot wire assisted plasma arc
CN110919017B (en) * 2019-12-20 2023-03-28 北京工业大学 Method and device for preparing spherical metal powder by hot wire assisted plasma arc
CN115121799A (en) * 2021-03-24 2022-09-30 新奥科技发展有限公司 Plasma torch cathode and preparation method thereof

Also Published As

Publication number Publication date
BE786705A (en) 1972-11-16
FR2148811A5 (en) 1973-03-23
DE7228707U (en) 1972-11-09
IT964876B (en) 1974-01-31

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees