EP0092490A2 - Düse mit Funkenzündung - Google Patents

Düse mit Funkenzündung Download PDF

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Publication number
EP0092490A2
EP0092490A2 EP83400789A EP83400789A EP0092490A2 EP 0092490 A2 EP0092490 A2 EP 0092490A2 EP 83400789 A EP83400789 A EP 83400789A EP 83400789 A EP83400789 A EP 83400789A EP 0092490 A2 EP0092490 A2 EP 0092490A2
Authority
EP
European Patent Office
Prior art keywords
tube
inner tube
end part
outer tube
gas mixture
Prior art date
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Withdrawn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
EP83400789A
Other languages
English (en)
French (fr)
Other versions
EP0092490A3 (de
Inventor
Yosinori Kubota
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.)
Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Original Assignee
Air Liquide SA
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
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
Priority claimed from JP5900082A external-priority patent/JPS57179660A/ja
Application filed by Air Liquide SA, LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude filed Critical Air Liquide SA
Publication of EP0092490A2 publication Critical patent/EP0092490A2/de
Publication of EP0092490A3 publication Critical patent/EP0092490A3/de
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/46—Details
    • F23D14/48—Nozzles
    • F23D14/52—Nozzles for torches; for blow-pipes

Definitions

  • the front end of the outer tube of the nozzle is generally provided with a surface and skirt, protruding beyond from the front end of the inner tube of the nozzle.
  • the diameter and the depth of the skirted surface must have a defined ratio which is a function of the diameter of the supply gas inlet channel and the pressure of the fluid in circulation.
  • the insulating member (5) which is essential to limit the location of the formation of sparks only at the end of the nozzle, as indicated above, is suitably arranged so as to cause the formation of sparks before the outlet of the gas mixture. As a result, the structure is simple and convenient to make.
  • the inner tube (1) and the outer tube (3) are both made of copper. We pass a mixture of propane and oxygen from preheating in an annular passage channel (4) provided between the tubes (1) and (3).
  • the electrical insulating member (5) is made of ceramic.
  • the inner surface (10) of the insulating member (5) faces a part of the channel (4) constituted by several grooves (14) formed by machining on the outer periphery of the inner tube (1), and in the direction of the axis of said tube (1).
  • the grooves (14) are arranged at equal intervals on the periphery of the tube (1).

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Spark Plugs (AREA)
EP83400789A 1982-04-10 1983-04-21 Düse mit Funkenzündung Withdrawn EP0092490A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP5900082A JPS57179660A (en) 1981-04-10 1982-04-10 Method and means for detecting pneumonia coccus x iv antigen in sample of human cell
JP59000/82 1982-04-21

Publications (2)

Publication Number Publication Date
EP0092490A2 true EP0092490A2 (de) 1983-10-26
EP0092490A3 EP0092490A3 (de) 1984-03-28

Family

ID=13100584

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83400789A Withdrawn EP0092490A3 (de) 1982-04-10 1983-04-21 Düse mit Funkenzündung

Country Status (2)

Country Link
EP (1) EP0092490A3 (de)
FR (1) FR2525738A1 (de)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1343579A (fr) * 1962-09-04 1963-11-22 Harris Calorific Co Chalumeau à allumoir
US3540656A (en) * 1968-03-08 1970-11-17 Goss Gas Inc Torch tips

Also Published As

Publication number Publication date
EP0092490A3 (de) 1984-03-28
FR2525738A1 (fr) 1983-10-28

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Legal Events

Date Code Title Description
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

17P Request for examination filed

Effective date: 19830425

AK Designated contracting states

Designated state(s): AT BE CH DE FR GB IT LI LU NL SE

PUAL Search report despatched

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AK Designated contracting states

Designated state(s): AT BE CH DE FR GB IT LI LU NL SE

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

18D Application deemed to be withdrawn

Effective date: 19840929

RIN1 Information on inventor provided before grant (corrected)

Inventor name: KUBOTA, YOSINORI