EP0213689A3 - Circuit d'interruption d'une torche à plasma - Google Patents

Circuit d'interruption d'une torche à plasma Download PDF

Info

Publication number: EP0213689A3
Authority: EP; European Patent Office
Prior art keywords: operating voltage; plasma torch; shutdown circuit; electrode; power supply
Prior art date: 1985-09-04
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP86303754A

Other languages

German (de)

English (en)

Other versions

EP0213689A2 (fr

Inventor

Wayman Leon Mollett

Richard A. Spaulding

Raymond G. Wilkins

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.)

Victor Equipment Co

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.)

1985-09-04

Filing date

1986-05-16

Publication date

1988-09-21

1986-05-16 Application filed by Thermal Dynamics Corp filed Critical Thermal Dynamics Corp

1987-03-11 Publication of EP0213689A2 publication Critical patent/EP0213689A2/fr

1988-09-21 Publication of EP0213689A3 publication Critical patent/EP0213689A3/fr

Status Withdrawn legal-status Critical Current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
- H05H1/36—Circuit arrangements

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Plasma & Fusion (AREA)
Spectroscopy & Molecular Physics (AREA)
Arc Welding Control (AREA)

EP86303754A 1985-09-04 1986-05-16 Circuit d'interruption d'une torche à plasma Withdrawn EP0213689A3 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US77260685A	1985-09-04	1985-09-04
US772606		1985-09-04

Publications (2)

Publication Number	Publication Date
EP0213689A2 EP0213689A2 (fr)	1987-03-11
EP0213689A3 true EP0213689A3 (fr)	1988-09-21

Family

ID=25095623

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP86303754A Withdrawn EP0213689A3 (fr)	1985-09-04	1986-05-16	Circuit d'interruption d'une torche à plasma

Country Status (2)

Country	Link
EP (1)	EP0213689A3 (fr)
JP (1)	JPS62267080A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH0688141B2 (ja) *	1988-03-24	1994-11-09	株式会社小松製作所	プラズマアーク切断におけるダブルアーク防止切断方法
AUPM470994A0 (en) *	1994-03-25	1994-04-21	Commonwealth Scientific And Industrial Research Organisation	Plasma torch condition monitoring
AUPM471094A0 (en) *	1994-03-25	1994-04-21	Commonwealth Scientific And Industrial Research Organisation	Detecting non-symmetrical nozzle wear in a plasma arc torch
ES2115542B1 (es) *	1996-07-24	1999-02-16	Iberdrola Sa	Fuente de alimentacion de antorchas de hornos de plasma.
US5900169A (en) *	1997-06-06	1999-05-04	Hypertherm, Inc.	Safety circuit for a blow forward contact start plasma arc torch
US7807937B2 (en) *	2005-01-03	2010-10-05	Illinois Tool Works Inc.	Method and system of conserving plasma torch consumable
EP2648209B1 (fr) *	2009-02-17	2018-01-03	Solvix GmbH	Dispositif d'alimentation électrique pour le traitement au plasma
CN109709427B (zh) *	2018-12-30	2021-09-03	常州九圣焊割设备股份有限公司	等离子电弧喷枪中易耗件故障检测方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2151219A5 (en) *	1971-08-26	1973-04-13	Shapiro Ilya	Plasma beam arc control - prevents voltage surges
JPS597480A (ja) *	1982-07-05	1984-01-14	Matsushita Electric Ind Co Ltd	自動ア−ク溶接機

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS53108048A (en) *	1977-03-04	1978-09-20	Hitachi Ltd	Electron beam welding method
JPS6043831B2 (ja) *	1980-08-30	1985-09-30	株式会社三社電機製作所	プラズマア−ク用ト−チの損傷防止装置

1986
- 1986-05-14 JP JP11043386A patent/JPS62267080A/ja active Pending
- 1986-05-16 EP EP86303754A patent/EP0213689A3/fr not_active Withdrawn

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2151219A5 (en) *	1971-08-26	1973-04-13	Shapiro Ilya	Plasma beam arc control - prevents voltage surges
JPS597480A (ja) *	1982-07-05	1984-01-14	Matsushita Electric Ind Co Ltd	自動ア−ク溶接機

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, vol. 8, no. 90 (M-292)[1527], 25th April 1984; & JP-A-59 007 480 (MATSUSHITA DENKI SANGYO K.K.) 14-01-1984 *

Also Published As

Publication number	Publication date
JPS62267080A (ja)	1987-11-19
EP0213689A2 (fr)	1987-03-11

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Legal Events

Date	Code	Title	Description
1987-01-24	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1987-03-11	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE FR GB IT
1988-08-02	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1988-09-21	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): DE FR GB IT
1989-09-15	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
1989-11-02	18D	Application deemed to be withdrawn	Effective date: 19890322
2007-08-08	RIN1	Information on inventor provided before grant (corrected)	Inventor name: SPAULDING, RICHARD A. Inventor name: MOLLETT, WAYMAN LEON Inventor name: WILKINS, RAYMOND G.