GB640984A - Means for initiating a spark discharge in explosive gases - Google Patents

Means for initiating a spark discharge in explosive gases

Info

Publication number
GB640984A
GB640984A GB109347A GB109347A GB640984A GB 640984 A GB640984 A GB 640984A GB 109347 A GB109347 A GB 109347A GB 109347 A GB109347 A GB 109347A GB 640984 A GB640984 A GB 640984A
Authority
GB
United Kingdom
Prior art keywords
valve
lever
spark
initiating
pawl
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.)
Expired
Application number
GB109347A
Inventor
John Scowcroft Skelton
Charles Meek Smith
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.)
Minister of Supply In Her Majesty S Government
Original Assignee
Minister of Supply In Her Majesty S Government
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 Minister of Supply In Her Majesty S Government filed Critical Minister of Supply In Her Majesty S Government
Priority to GB109347A priority Critical patent/GB640984A/en
Publication of GB640984A publication Critical patent/GB640984A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C4/00—Flame traps allowing passage of gas but not of flame or explosion wave
    • A62C4/02—Flame traps allowing passage of gas but not of flame or explosion wave in gas-pipes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23Q—IGNITION; EXTINGUISHING-DEVICES
    • F23Q3/00—Igniters using electrically-produced sparks

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)

Abstract

640,984. Switches held set and freed mechanically. MINISTER OF SUPPLY. Jan. 13, 1947, No. 1093. [Class 38(v)] [Also in Group XXIX] Means for initiating a spark discharge in explosive gases, e.g. acetylene and air, comprises a single lever which directly controls both a gas supply valve and the electric current for producing the spark downstream of the valve. The valve 2, Fig. 1, is opened manually by the lever 10, 13, which carries a ratchet 24 engaging a pawl 23 so that the valve is maintained open against a spring 9. The valve is allowed to close when the pawl is released by the operator and at the same time a roller 14 on a lever 11 connected to the lever 10 engages a bridging piece 15, Fig. 2, urging contacts 16, 17, upwards against springs 18, 19, whereby at a time suitably' arranged with regard to the position of the valve with respect to its seat 3, contact is made with fixed contacts 20, 21, and produces a spark in a sparking plug.
GB109347A 1947-01-13 1947-01-13 Means for initiating a spark discharge in explosive gases Expired GB640984A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB109347A GB640984A (en) 1947-01-13 1947-01-13 Means for initiating a spark discharge in explosive gases

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB109347A GB640984A (en) 1947-01-13 1947-01-13 Means for initiating a spark discharge in explosive gases

Publications (1)

Publication Number Publication Date
GB640984A true GB640984A (en) 1950-08-02

Family

ID=9716029

Family Applications (1)

Application Number Title Priority Date Filing Date
GB109347A Expired GB640984A (en) 1947-01-13 1947-01-13 Means for initiating a spark discharge in explosive gases

Country Status (1)

Country Link
GB (1) GB640984A (en)

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