EP0465140A3 - Non-clogging high efficiency plasma torch - Google Patents

Non-clogging high efficiency plasma torch Download PDF

Info

Publication number
EP0465140A3
EP0465140A3 EP19910305854 EP91305854A EP0465140A3 EP 0465140 A3 EP0465140 A3 EP 0465140A3 EP 19910305854 EP19910305854 EP 19910305854 EP 91305854 A EP91305854 A EP 91305854A EP 0465140 A3 EP0465140 A3 EP 0465140A3
Authority
EP
European Patent Office
Prior art keywords
high efficiency
plasma torch
efficiency plasma
clogging high
clogging
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.)
Granted
Application number
EP19910305854
Other versions
EP0465140B1 (en
EP0465140A2 (en
Inventor
Charles Bernard Wolf
Raymond Frances Taylor, Jr.
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.)
CBS Corp
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of EP0465140A2 publication Critical patent/EP0465140A2/en
Publication of EP0465140A3 publication Critical patent/EP0465140A3/en
Application granted granted Critical
Publication of EP0465140B1 publication Critical patent/EP0465140B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05HPLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00Generating plasma; Handling plasma
    • H05H1/24Generating plasma
    • H05H1/26Plasma torches
    • H05H1/32Plasma torches using an arc
    • H05H1/34Details, e.g. electrodes, nozzles
    • H05H1/40Details, e.g. electrodes, nozzles using applied magnetic fields, e.g. for focusing or rotating the arc
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05HPLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00Generating plasma; Handling plasma
    • H05H1/24Generating plasma
    • H05H1/26Plasma torches
    • H05H1/32Plasma torches using an arc
    • H05H1/34Details, e.g. electrodes, nozzles
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05HPLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00Generating plasma; Handling plasma
    • H05H1/24Generating plasma
    • H05H1/26Plasma torches
    • H05H1/32Plasma torches using an arc
    • H05H1/34Details, e.g. electrodes, nozzles
    • H05H1/3431Coaxial cylindrical electrodes
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05HPLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00Generating plasma; Handling plasma
    • H05H1/24Generating plasma
    • H05H1/26Plasma torches
    • H05H1/28Cooling arrangements

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Plasma Technology (AREA)
  • Gas Burners (AREA)
EP91305854A 1990-07-02 1991-06-28 Non-clogging high efficiency plasma torch Expired - Lifetime EP0465140B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US54726690A 1990-07-02 1990-07-02
US547266 1990-07-02

Publications (3)

Publication Number Publication Date
EP0465140A2 EP0465140A2 (en) 1992-01-08
EP0465140A3 true EP0465140A3 (en) 1992-07-08
EP0465140B1 EP0465140B1 (en) 1997-01-29

Family

ID=24184008

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91305854A Expired - Lifetime EP0465140B1 (en) 1990-07-02 1991-06-28 Non-clogging high efficiency plasma torch

Country Status (4)

Country Link
EP (1) EP0465140B1 (en)
JP (1) JPH04227405A (en)
CA (1) CA2044991A1 (en)
DE (1) DE69124429T2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102364994A (en) * 2011-09-28 2012-02-29 南京创能电力科技开发有限公司 Cathodic arc controller for low-temperature plasma generator

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3307011A (en) * 1963-08-29 1967-02-28 Union Carbide Corp Method for increasing electrode life
US4099958A (en) * 1976-04-09 1978-07-11 Bethlehem Steel Corporation Method of producing vanadium
US4668853A (en) * 1985-10-31 1987-05-26 Westinghouse Electric Corp. Arc-heated plasma lance

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3307011A (en) * 1963-08-29 1967-02-28 Union Carbide Corp Method for increasing electrode life
US4099958A (en) * 1976-04-09 1978-07-11 Bethlehem Steel Corporation Method of producing vanadium
US4668853A (en) * 1985-10-31 1987-05-26 Westinghouse Electric Corp. Arc-heated plasma lance

Also Published As

Publication number Publication date
EP0465140B1 (en) 1997-01-29
JPH04227405A (en) 1992-08-17
DE69124429D1 (en) 1997-03-13
EP0465140A2 (en) 1992-01-08
CA2044991A1 (en) 1992-01-03
DE69124429T2 (en) 1997-08-14

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