EP0515975A3 - High enthalpy plasma torch - Google Patents

High enthalpy plasma torch Download PDF

Info

Publication number: EP0515975A3
Authority: EP; European Patent Office
Prior art keywords: plasma torch; high enthalpy; enthalpy plasma; torch; plasma
Prior art date: 1991-05-29
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

EP19920108547

Other versions

EP0515975B1 (en

EP0515975A2 (en

Inventor

Peter G. Tsantrizos

Raynald Lachance

Bruce Henshaw

Lakis T. Mavropoulos

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.)

Noranda Inc

Original Assignee

Noranda Inc

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.)

1991-05-29

Filing date

1992-05-20

Publication date

1993-05-12

1992-05-20 Application filed by Noranda Inc filed Critical Noranda Inc

1992-12-02 Publication of EP0515975A2 publication Critical patent/EP0515975A2/en

1993-05-12 Publication of EP0515975A3 publication Critical patent/EP0515975A3/en

1996-10-30 Application granted granted Critical

1996-10-30 Publication of EP0515975B1 publication Critical patent/EP0515975B1/en

2012-05-20 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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
- H05H1/3431—Coaxial cylindrical electrodes
- 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

Landscapes

Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Plasma & Fusion (AREA)
Spectroscopy & Molecular Physics (AREA)
Plasma Technology (AREA)
Discharge Heating (AREA)
Arc Welding In General (AREA)

EP92108547A 1991-05-29 1992-05-20 High enthalpy plasma torch Expired - Lifetime EP0515975B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
CA002043504A CA2043504C (en)	1991-05-29	1991-05-29	High enthalpy plasma torch
CA2043504		1991-05-29

Publications (3)

Publication Number	Publication Date
EP0515975A2 EP0515975A2 (en)	1992-12-02
EP0515975A3 true EP0515975A3 (en)	1993-05-12
EP0515975B1 EP0515975B1 (en)	1996-10-30

Family

ID=4147693

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP92108547A Expired - Lifetime EP0515975B1 (en)	1991-05-29	1992-05-20	High enthalpy plasma torch

Country Status (4)

Country	Link
EP (1)	EP0515975B1 (en)
JP (1)	JP3042919B2 (en)
CA (1)	CA2043504C (en)
DE (1)	DE69214878T2 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2703557B1 (en) *	1993-03-29	1995-05-05	Soudure Autogene Francaise	Plasma torch and method of implementation for gouging parts.
CA2118081C (en) *	1993-10-14	2006-10-03	Jacobus Swanepoel	Production of fluorocarbon compounds
FR2798247B1 (en) *	1999-09-03	2001-11-09	Soudure Autogene Francaise	PLASMA TORCH WITH LONG LIFE ELECTRODE SYSTEM
US6919015B2 (en)	2002-12-16	2005-07-19	3M Innovative Properties Company	Process for manufacturing fluoroolefins
GB201106314D0 (en) *	2011-04-14	2011-06-01	Edwards Ltd	Plasma torch
CN102368888A (en) *	2011-09-28	2012-03-07	南京创能电力科技开发有限公司	Cathode binding post of low-temperature plasma generator
US9752206B2 (en)	2011-12-02	2017-09-05	Pyrogenesis Canada Inc.	Plasma heated furnace for iron ore pellet induration
CN109014456B (en)	2018-06-22	2020-06-12	沙迪克(厦门)有限公司	Electric discharge machining apparatus
CN116582993B (en) *	2023-04-10	2023-12-15	盐城工学院	A kind of DC atmospheric pressure plasma generator

Citations (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3104310A (en) *	1959-08-24	1963-09-17	Nat Res Dev	High temperature torches
US3139509A (en) *	1962-05-07	1964-06-30	Thermal Dynamics Corp	Electric arc torch
US3301995A (en) *	1963-12-02	1967-01-31	Union Carbide Corp	Electric arc heating and acceleration of gases
US3567898A (en) *	1968-07-01	1971-03-02	Crucible Inc	Plasma arc cutting torch
BE896448A (en) *	1983-04-13	1983-10-13	Centre Rech Metallurgique	IMPROVEMENTS IN ELECTRODES FOR PLASMA OVENS.
FR2539942A1 (en) *	1983-01-21	1984-07-27	Plasma Energy Corp	PLASMA GENERATOR AND METHOD OF OPERATION
US4668853A (en) *	1985-10-31	1987-05-26	Westinghouse Electric Corp.	Arc-heated plasma lance
GB2213636A (en) *	1988-01-07	1989-08-16	Toshiba Kk	Apparatus for introducing samples into a spectrometer
US4928027A (en) *	1987-08-20	1990-05-22	The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration	High temperature refractory member with radiation emissive overcoat

1991
- 1991-05-29 CA CA002043504A patent/CA2043504C/en not_active Expired - Lifetime
- 1991-11-26 JP JP3310750A patent/JP3042919B2/en not_active Expired - Lifetime
1992
- 1992-05-20 EP EP92108547A patent/EP0515975B1/en not_active Expired - Lifetime
- 1992-05-20 DE DE69214878T patent/DE69214878T2/en not_active Expired - Fee Related

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3104310A (en) *	1959-08-24	1963-09-17	Nat Res Dev	High temperature torches
US3139509A (en) *	1962-05-07	1964-06-30	Thermal Dynamics Corp	Electric arc torch
US3301995A (en) *	1963-12-02	1967-01-31	Union Carbide Corp	Electric arc heating and acceleration of gases
US3567898A (en) *	1968-07-01	1971-03-02	Crucible Inc	Plasma arc cutting torch
FR2539942A1 (en) *	1983-01-21	1984-07-27	Plasma Energy Corp	PLASMA GENERATOR AND METHOD OF OPERATION
BE896448A (en) *	1983-04-13	1983-10-13	Centre Rech Metallurgique	IMPROVEMENTS IN ELECTRODES FOR PLASMA OVENS.
US4668853A (en) *	1985-10-31	1987-05-26	Westinghouse Electric Corp.	Arc-heated plasma lance
US4928027A (en) *	1987-08-20	1990-05-22	The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration	High temperature refractory member with radiation emissive overcoat
GB2213636A (en) *	1988-01-07	1989-08-16	Toshiba Kk	Apparatus for introducing samples into a spectrometer

Also Published As

Publication number	Publication date
CA2043504C (en)	1995-01-17
DE69214878D1 (en)	1996-12-05
EP0515975B1 (en)	1996-10-30
JPH04355100A (en)	1992-12-09
DE69214878T2 (en)	1997-04-03
EP0515975A2 (en)	1992-12-02
JP3042919B2 (en)	2000-05-22

Publication	Publication Date	Title
EP0727922A4 (en)	1996-10-30	Plasma torch
GB2260663B (en)	1995-03-08	Arc welder
EP0508482A3 (en)	1992-11-19	Plasma torch with identification circuit
GB9202493D0 (en)	1992-03-25	Gas generator
AU116290S (en)	1993-02-08	Welding torch
GB2240244B (en)	1994-06-29	Rotatable plasma torch
EP0339563A3 (en)	1990-01-10	Transfer-type plasma torch
GB2276713B (en)	1997-09-10	Torch improvements
EP0480034A4 (en)	1992-06-24	Plasma torch
EP0711622A4 (en)	1996-07-10	Plasma torch
EP0515975A3 (en)	1993-05-12	High enthalpy plasma torch
GB9025695D0 (en)	1991-01-09	Gas plasma generating system
GB2241318B (en)	1992-08-26	Torch
EP0543026A4 (en)	1995-03-29	Gas generating agent
ZA922658B (en)	1992-12-30	Gas estraction
GB2267571B (en)	1995-09-06	Gas detector
GB2263162B (en)	1995-10-04	Torch
GB9100740D0 (en)	1991-02-27	Torch
GB9107511D0 (en)	1991-05-29	Torch arrangements
GB9304001D0 (en)	1993-04-14	Torch improvements
RU1833266C (en)	1993-08-07	Argon arc torch
PL290072A2 (en)	1992-01-27	Plasma source
PL292695A2 (en)	1992-09-21	Plasma source
PL292696A2 (en)	1992-09-21	Plasma source
PL292697A2 (en)	1992-09-21	Plasma source

Legal Events

Date	Code	Title	Description
1992-10-16	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
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1993-12-29	17P	Request for examination filed	Effective date: 19931029
1995-04-19	17Q	First examination report despatched	Effective date: 19950307
1996-03-26	GRAG	Despatch of communication of intention to grant	Free format text: ORIGINAL CODE: EPIDOS AGRA
1996-04-26	GRAH	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOS IGRA
1996-07-23	GRAH	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOS IGRA
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1998-05-20	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19980520
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