BR0109796A - Maçarico a arco-plasma e métodos para vida aperfeiçoada de peças consumìveis de maçarico a arco-plasma - Google Patents

Maçarico a arco-plasma e métodos para vida aperfeiçoada de peças consumìveis de maçarico a arco-plasma

Info

Publication number
BR0109796A
BR0109796A BR0109796-2A BR0109796A BR0109796A BR 0109796 A BR0109796 A BR 0109796A BR 0109796 A BR0109796 A BR 0109796A BR 0109796 A BR0109796 A BR 0109796A
Authority
BR
Brazil
Prior art keywords
electrode
plasma torch
tip
shield cap
methods
Prior art date
Application number
BR0109796-2A
Other languages
English (en)
Inventor
Kevin D Horner-Richardson
David Small
Jesse Roberts
Original Assignee
Thermal Dynamics 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 Thermal Dynamics Corp filed Critical Thermal Dynamics Corp
Publication of BR0109796A publication Critical patent/BR0109796A/pt

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
    • H05H1/3478—Geometrical details

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Geometry (AREA)
  • Plasma Technology (AREA)
  • Arc Welding In General (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Rolls And Other Rotary Bodies (AREA)

Abstract

"MAçARICO A ARCO-PLASMA E MéTODOS PARA VIDA APERFEIçOADA DE PEçAS CONSUMìVEIS DE MAçARICO A ARCO-PLASMA". Um maçarico a arco-plasma, e método para aperfeiçoar a vida das peças consumíveis do maçarico a arco-plasma, incluindo um eletrodo, a ponta e uma tampa de proteção. O método inclui gás que forma turbilhonamento à medida que flui sobre as superfícies expostas do eletrodo, a ponta e a tampa de proteção para aumentar a turbulência na camada limite hidrodinâmica do fluxo de gás, aumentando, assim, a transferência de calor convectivo. O resultado do resfriamento aumentado é uma vida de peças consumíveis aperfeiçoada. Por exemplo, para aumentar a turbulência do fluxo de gás sobre a superfície externa do eletrodo, o eletrodo do maçarico a arco-plasma, tem uma superfície externa áspera, ou texturizada, formada com reentrências, sulcos que se estendem axialmente, ou sulcos que formam espirais formados na superfície externa do eletrodo. As superfícies interna e externa da ponta e da superfície interna da tampa de proteção são similarmente texturizadas.
BR0109796-2A 2000-03-31 2001-03-30 Maçarico a arco-plasma e métodos para vida aperfeiçoada de peças consumìveis de maçarico a arco-plasma BR0109796A (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US19360200P 2000-03-31 2000-03-31
US19382000P 2000-03-31 2000-03-31
PCT/US2001/010511 WO2001076328A2 (en) 2000-03-31 2001-03-30 Plasma arc torch and method for longer life of plasma arc torch consumable parts

Publications (1)

Publication Number Publication Date
BR0109796A true BR0109796A (pt) 2003-04-01

Family

ID=26889164

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0109796-2A BR0109796A (pt) 2000-03-31 2001-03-30 Maçarico a arco-plasma e métodos para vida aperfeiçoada de peças consumìveis de maçarico a arco-plasma

Country Status (11)

Country Link
US (2) US6987238B2 (pt)
EP (1) EP1269802B1 (pt)
AT (1) ATE434921T1 (pt)
AU (2) AU5305901A (pt)
BR (1) BR0109796A (pt)
CA (1) CA2405081C (pt)
CZ (1) CZ301644B6 (pt)
DE (1) DE60139066D1 (pt)
MX (1) MXPA02009611A (pt)
RU (1) RU2281620C2 (pt)
WO (1) WO2001076328A2 (pt)

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Also Published As

Publication number Publication date
CA2405081C (en) 2010-03-16
ATE434921T1 (de) 2009-07-15
US20030034333A1 (en) 2003-02-20
US20060237399A1 (en) 2006-10-26
CZ301644B6 (cs) 2010-05-12
EP1269802B1 (en) 2009-06-24
RU2281620C2 (ru) 2006-08-10
EP1269802A2 (en) 2003-01-02
CZ20023358A3 (cs) 2003-04-16
AU5305901A (en) 2001-10-15
US6987238B2 (en) 2006-01-17
AU2001253059B2 (en) 2006-06-08
DE60139066D1 (de) 2009-08-06
MXPA02009611A (es) 2003-10-06
WO2001076328A3 (en) 2002-07-04
WO2001076328A2 (en) 2001-10-11
CA2405081A1 (en) 2001-10-11

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Legal Events

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B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 5A, 6A E 7A ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO PUBLICADO NA RPI 1963 DE 19.08.2008.