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ATE472930T1 - PLASMA BURNER - Google Patents

PLASMA BURNER

Info

Publication number
ATE472930T1
ATE472930T1 AT07825716T AT07825716T ATE472930T1 AT E472930 T1 ATE472930 T1 AT E472930T1 AT 07825716 T AT07825716 T AT 07825716T AT 07825716 T AT07825716 T AT 07825716T AT E472930 T1 ATE472930 T1 AT E472930T1
Authority
AT
Austria
Prior art keywords
nozzle
hole
torch body
cooling fluid
holder
Prior art date
Application number
AT07825716T
Other languages
German (de)
Inventor
Silvano Dallavalle
Mauro Vancini
Vittorio Colombo
Emanuele Ghedini
Original Assignee
Cebora Spa
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 Cebora Spa filed Critical Cebora Spa
Application granted granted Critical
Publication of ATE472930T1 publication Critical patent/ATE472930T1/en

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
    • H05H1/28—Cooling arrangements
    • 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
    • H05H1/3457—Nozzle protection devices
    • 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)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Arc Welding In General (AREA)

Abstract

A plasma torch (1) consists of a torch body (2) comprising: an electrode (3) mounted centrally in the torch body (2); a nozzle (4) mounted on the torch body (2), surrounding the tip of the electrode (3) and having a first central through hole (6) for the passage of the plasma; a nozzle holder (7) whose inside wall faces the outside wall of the nozzle (4) in such a way as to form a cooling chamber (8) through which a second cooling fluid (Fl) passes; a nozzle (4) and nozzle holder (7) covering unit (10) composed of a first member (10a) that can be joined to the torch body (2) and a second member (10b) that can be joined to the proximal end of the first member (10a); the second member (10b) is provided with a second central hole (11), coaxial with the first hole (6); a channel (12) for the passage of a third, cooling fluid (F2) is formed between the nozzle holder (7) and the covering unit (10) in such a way as to reach the second hole (11); in the join area defined by the proximal end of the first holder member (10a) and the annular edge of the second member (10b) there is a plurality of concavities (13) designed to enable a part (F2a) of the third cooling fluid (F2) to flow to the outside of the second member (10b).
AT07825716T 2006-11-22 2007-11-15 PLASMA BURNER ATE472930T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000793A ITBO20060793A1 (en) 2006-11-22 2006-11-22 PLASMA TORCH
PCT/IB2007/003601 WO2008062300A1 (en) 2006-11-22 2007-11-15 Plasma torch

Publications (1)

Publication Number Publication Date
ATE472930T1 true ATE472930T1 (en) 2010-07-15

Family

ID=39204611

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07825716T ATE472930T1 (en) 2006-11-22 2007-11-15 PLASMA BURNER

Country Status (5)

Country Link
EP (1) EP2092805B1 (en)
AT (1) ATE472930T1 (en)
DE (1) DE602007007515D1 (en)
IT (1) ITBO20060793A1 (en)
WO (1) WO2008062300A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8513565B2 (en) 2008-04-10 2013-08-20 Hypertherm, Inc. Nozzle head with increased shoulder thickness
IT1392379B1 (en) * 2008-12-24 2012-03-02 Cebora Spa HIGH-PERFORMANCE PLASMA TORCH.
CN107734825A (en) * 2017-10-30 2018-02-23 台州伟博环保设备科技有限公司 The anode generator of plasma generator

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5695662A (en) 1988-06-07 1997-12-09 Hypertherm, Inc. Plasma arc cutting process and apparatus using an oxygen-rich gas shield
JP2591371Y2 (en) * 1993-02-24 1999-03-03 株式会社小松製作所 Plasma arc torch
US6268583B1 (en) 1999-05-21 2001-07-31 Komatsu Ltd. Plasma torch of high cooling performance and components therefor
US6914211B2 (en) * 2003-02-27 2005-07-05 Thermal Dynamics Corporation Vented shield system for a plasma arc torch

Also Published As

Publication number Publication date
WO2008062300A1 (en) 2008-05-29
DE602007007515D1 (en) 2010-08-12
ITBO20060793A1 (en) 2008-05-23
EP2092805B1 (en) 2010-06-30
EP2092805A1 (en) 2009-08-26

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties