CA2409405C - Systeme de regulation du debit de gaz a un chalumeau a arc de plasma - Google Patents

Systeme de regulation du debit de gaz a un chalumeau a arc de plasma Download PDF

Info

Publication number: CA2409405C
Authority: CA; Canada
Prior art keywords: gas; flow; torch; plasma; secondary gas
Prior art date: 1991-04-12
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.): Expired - Lifetime

Application number

CA002409405A

Other languages

English (en)

Other versions

CA2409405A1 (fr

Inventor

Richard W. Couch Jr.

Nicholas A. Sanders

Lifeng Luo

John Sobr

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.)

Hypertherm Inc

Original Assignee

Hypertherm 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.)

1991-04-12

Filing date

1992-03-09

Publication date

2007-02-27

1991-04-12 Priority claimed from US07/682,991 external-priority patent/US5170033A/en

1991-04-12 Priority claimed from US07/682,992 external-priority patent/US5166494A/en

1991-08-30 Priority claimed from US07/753,395 external-priority patent/US5396043A/en

1992-03-09 Application filed by Hypertherm Inc filed Critical Hypertherm Inc

1992-10-29 Publication of CA2409405A1 publication Critical patent/CA2409405A1/fr

2007-02-27 Application granted granted Critical

2007-02-27 Publication of CA2409405C publication Critical patent/CA2409405C/fr

2012-03-09 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

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239000000203 mixture Substances 0.000 abstract description 20
238000001816 cooling Methods 0.000 abstract description 16
230000001590 oxidative effect Effects 0.000 abstract description 11
238000013022 venting Methods 0.000 abstract description 4
239000007789 gas Substances 0.000 description 202
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 40
239000001301 oxygen Substances 0.000 description 40
229910052760 oxygen Inorganic materials 0.000 description 40
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 36
238000005520 cutting process Methods 0.000 description 36
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 20
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238000012546 transfer Methods 0.000 description 13
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238000000034 method Methods 0.000 description 6
229910052786 argon Inorganic materials 0.000 description 5
238000002347 injection Methods 0.000 description 5
239000007924 injection Substances 0.000 description 5
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UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
229910001209 Low-carbon steel Inorganic materials 0.000 description 3
239000000243 solution Substances 0.000 description 3
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
239000000498 cooling water Substances 0.000 description 2
238000010586 diagram Methods 0.000 description 2
230000000694 effects Effects 0.000 description 2
239000012530 fluid Substances 0.000 description 2
239000012212 insulator Substances 0.000 description 2
230000003993 interaction Effects 0.000 description 2
238000012986 modification Methods 0.000 description 2
230000004048 modification Effects 0.000 description 2
238000003466 welding Methods 0.000 description 2
229920004943 Delrin® Polymers 0.000 description 1
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PWKWDCOTNGQLID-UHFFFAOYSA-N [N].[Ar] Chemical compound [N].[Ar] PWKWDCOTNGQLID-UHFFFAOYSA-N 0.000 description 1
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VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
239000001307 helium Substances 0.000 description 1
229910052734 helium Inorganic materials 0.000 description 1
SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
239000001257 hydrogen Substances 0.000 description 1
229910052739 hydrogen Inorganic materials 0.000 description 1
239000011261 inert gas Substances 0.000 description 1
JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
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238000005259 measurement Methods 0.000 description 1
238000002844 melting Methods 0.000 description 1
230000008018 melting Effects 0.000 description 1
238000002156 mixing Methods 0.000 description 1
DOTMOQHOJINYBL-UHFFFAOYSA-N molecular nitrogen;molecular oxygen Chemical compound N#N.O=O DOTMOQHOJINYBL-UHFFFAOYSA-N 0.000 description 1
229940110728 nitrogen / oxygen Drugs 0.000 description 1
239000004033 plastic Substances 0.000 description 1
229920003223 poly(pyromellitimide-1,4-diphenyl ether) Polymers 0.000 description 1
238000005507 spraying Methods 0.000 description 1
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Landscapes

Arc Welding In General (AREA)
Plasma Technology (AREA)

CA002409405A 1991-04-12 1992-03-09 Systeme de regulation du debit de gaz a un chalumeau a arc de plasma Expired - Lifetime CA2409405C (fr)

Applications Claiming Priority (7)

Application Number	Priority Date	Filing Date	Title
US682,992		1991-04-12
US07/682,991 US5170033A (en)	1990-04-24	1991-04-12	Swirl ring and flow control process for a plasma arc torch
US682,991		1991-04-12
US07/682,992 US5166494A (en)	1990-04-24	1991-04-12	Process and apparatus for reducing electrode wear in a plasma arc torch
US753,395		1991-08-30
US07/753,395 US5396043A (en)	1988-06-07	1991-08-30	Plasma arc cutting process and apparatus using an oxygen-rich gas shield
CA002108121A CA2108121C (fr)	1991-04-12	1992-03-09	Procede et appareil de decoupage par jet de plasma, utilisant un gaz inerte riche en oxygene

Related Parent Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002108121A Division CA2108121C (fr)	1991-04-12	1992-03-09	Procede et appareil de decoupage par jet de plasma, utilisant un gaz inerte riche en oxygene

Publications (2)

Publication Number	Publication Date
CA2409405A1 CA2409405A1 (fr)	1992-10-29
CA2409405C true CA2409405C (fr)	2007-02-27

Family

ID=35170029

Family Applications (3)

Application Number	Title	Priority Date	Filing Date
CA002409420A Expired - Lifetime CA2409420C (fr)	1991-04-12	1992-03-09	Procede et appareil de decoupage par jet de plasma, utilisant un gas inerte riche en oxygene
CA002409405A Expired - Lifetime CA2409405C (fr)	1991-04-12	1992-03-09	Systeme de regulation du debit de gaz a un chalumeau a arc de plasma
CA002409409A Expired - Lifetime CA2409409C (fr)	1991-04-12	1992-03-09	Tuyere pour chalumeau a arc de plasma

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
CA002409420A Expired - Lifetime CA2409420C (fr)	1991-04-12	1992-03-09	Procede et appareil de decoupage par jet de plasma, utilisant un gas inerte riche en oxygene

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
CA002409409A Expired - Lifetime CA2409409C (fr)	1991-04-12	1992-03-09	Tuyere pour chalumeau a arc de plasma

Country Status (1)

Country	Link
CA (3)	CA2409420C (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN110315177B (zh) *	2019-08-06	2024-09-13	河北瓦尔丁科技有限公司	等离子电源割炬头加速气路装置
CN112624052B (zh) *	2020-12-29	2024-12-10	北京诚益通科技有限公司	一种气体二氧化氯的快速发生装置

1992
- 1992-03-09 CA CA002409420A patent/CA2409420C/fr not_active Expired - Lifetime
- 1992-03-09 CA CA002409405A patent/CA2409405C/fr not_active Expired - Lifetime
- 1992-03-09 CA CA002409409A patent/CA2409409C/fr not_active Expired - Lifetime

Also Published As

Publication number	Publication date
CA2409405A1 (fr)	1992-10-29
CA2409420A1 (fr)	1992-10-29
CA2409420C (fr)	2005-09-20
CA2409409A1 (fr)	1992-10-29
CA2409409C (fr)	2006-05-16

Legal Events

Date	Code	Title	Description
2002-11-27	EEER	Examination request
2012-03-09	MKEX	Expiry

Publication	Publication Date	Title
US5591357A (en)	1997-01-07	Plasma arc cutting process and apparatus using an oxygen-rich gas shield
US5695662A (en)	1997-12-09	Plasma arc cutting process and apparatus using an oxygen-rich gas shield
EP0790756B1 (fr)	2002-06-19	Procédé et dispositif de découpe au plasma d'arc utilisant une protection de gaz riche en oxygène
US5170033A (en)	1992-12-08	Swirl ring and flow control process for a plasma arc torch
EP0375747B1 (fr)	1993-04-21	Protege-buse pour chalumeau a arc plasma
CA2065025C (fr)	1995-11-07	Chalumeau a arc de plasma dote d'un blindage de buse
US5166494A (en)	1992-11-24	Process and apparatus for reducing electrode wear in a plasma arc torch
US5109150A (en)	1992-04-28	Open-arc plasma wire spray method and apparatus
EP0794697B1 (fr)	2003-05-21	Dispositif de découpe par plasma d'arc
CA1221746A (fr)	1987-05-12	Torches au plasma
US6096992A (en)	2000-08-01	Low current water injection nozzle and associated method
EP0526560B1 (fr)	1997-01-29	Procede de controle du flux et anneau de tourbillonnement pour un chalumeau a arc-plasma
KR100272917B1 (ko)	2000-11-15	플라즈마 절단 방법
CA2409405C (fr)	2007-02-27	Systeme de regulation du debit de gaz a un chalumeau a arc de plasma
MXPA02004095A (es)	2002-11-29	Soplete de plasma y metodo de corte subacuatico.