GB973524A - Improvements relating to plasma torch assemblies - Google Patents

Improvements relating to plasma torch assemblies

Info

Publication number
GB973524A
GB973524A GB40122/62A GB4012262A GB973524A GB 973524 A GB973524 A GB 973524A GB 40122/62 A GB40122/62 A GB 40122/62A GB 4012262 A GB4012262 A GB 4012262A GB 973524 A GB973524 A GB 973524A
Authority
GB
United Kingdom
Prior art keywords
electrodes
plasma torch
plasma
electrode
aperture
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
GB40122/62A
Inventor
Harold Taylor
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.)
Associated Electrical Industries Ltd
Original Assignee
Associated Electrical Industries Ltd
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 Associated Electrical Industries Ltd filed Critical Associated Electrical Industries Ltd
Priority to GB40122/62A priority Critical patent/GB973524A/en
Publication of GB973524A publication Critical patent/GB973524A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H05H1/34—Details, e.g. electrodes, nozzles
    • 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
    • H05H1/34—Details, e.g. electrodes, nozzles
    • H05H1/3436—Hollow cathodes with internal coolant flow
    • 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
    • H05H1/34—Details, e.g. electrodes, nozzles
    • H05H1/3442—Cathodes with inserted tip
    • 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
    • H05H1/34—Details, e.g. electrodes, nozzles
    • H05H1/3468—Vortex generators
    • 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
    • H05H1/34—Details, e.g. electrodes, nozzles
    • H05H1/3489—Means for contact starting

Abstract

973,524. Arc plasma generators. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. Sept. 30, 1963 [Oct. 23, 1962], No. 40122/62. Heading H5H. In a plasma torch two electrodes 1, 11 are urged initially into contact by a spring 15 but are forced apart by the pressure of gas used to form the plasma, to strike the arc. Both electrodes are hollow and are water-cooled from sources 18, 24, and the outer one 11 has an aperture 12 which is initially closed by the conical tip 3 of inner electrode 1, which is sealed rigidly with casing 8. 22 is a container for water exhausted from electrode 1. Gas from a source 16 enters the inter-electrode space by ducts 14 arranged at an angle to an axial plane, causing it to move in a vortex as it forces the electrodes apart and escapes through aperture 12.
GB40122/62A 1962-10-23 1962-10-23 Improvements relating to plasma torch assemblies Expired GB973524A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB40122/62A GB973524A (en) 1962-10-23 1962-10-23 Improvements relating to plasma torch assemblies

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB40122/62A GB973524A (en) 1962-10-23 1962-10-23 Improvements relating to plasma torch assemblies

Publications (1)

Publication Number Publication Date
GB973524A true GB973524A (en) 1964-10-28

Family

ID=10413292

Family Applications (1)

Application Number Title Priority Date Filing Date
GB40122/62A Expired GB973524A (en) 1962-10-23 1962-10-23 Improvements relating to plasma torch assemblies

Country Status (1)

Country Link
GB (1) GB973524A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999007193A1 (en) * 1997-08-01 1999-02-11 Hypertherm, Inc. Blow forward contact start plasma arc torch with distributed nozzle support
WO2011128621A1 (en) * 2010-04-16 2011-10-20 Linde Aktiengesellschaft Device for providing a flow of plasma

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999007193A1 (en) * 1997-08-01 1999-02-11 Hypertherm, Inc. Blow forward contact start plasma arc torch with distributed nozzle support
WO2011128621A1 (en) * 2010-04-16 2011-10-20 Linde Aktiengesellschaft Device for providing a flow of plasma

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