GB569289A - Improvements in or relating to electric discharge devices - Google Patents

Improvements in or relating to electric discharge devices

Info

Publication number
GB569289A
GB569289A GB1930843A GB1930843A GB569289A GB 569289 A GB569289 A GB 569289A GB 1930843 A GB1930843 A GB 1930843A GB 1930843 A GB1930843 A GB 1930843A GB 569289 A GB569289 A GB 569289A
Authority
GB
United Kingdom
Prior art keywords
electric discharge
mercury
envelope
permit
relating
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
GB1930843A
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.)
Thorn Electrical Industries Ltd
Original Assignee
Thorn Electrical Industries Ltd
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 Thorn Electrical Industries Ltd filed Critical Thorn Electrical Industries Ltd
Priority to GB1930843A priority Critical patent/GB569289A/en
Publication of GB569289A publication Critical patent/GB569289A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J13/00—Discharge tubes with liquid-pool cathodes, e.g. metal-vapour rectifying tubes
    • H01J13/02—Details
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0072—Disassembly or repair of discharge tubes
    • H01J2893/0073—Discharge tubes with liquid poolcathodes; constructional details

Abstract

569,289. Electric discharge apparatus. THORN ELECTRICAL INDUSTRIES, Ltd., and BARTON, F. Nov. 18, 1943, No. 19308. [Class 39 (i)] An electric discharge device has a mercury pool cathode 12 contained in a subsidiary envelope 1 and 2 constructed to permit a discharge between the mercury pool and the anode or anodes, but to prevent liquid mercury leaving the envelope in any position. The construction shown embodies two steel shells 1 and 2 having re-entrant openings 5 and 6 which permit the discharge, but not liquid mercury, to pass. A tube 10 of electrically insulating material fits into opening 6 and contains a conducting rod 9 which carries igniter starting electrodes 7, 7<1>, 8 and 81.
GB1930843A 1943-11-18 1943-11-18 Improvements in or relating to electric discharge devices Expired GB569289A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1930843A GB569289A (en) 1943-11-18 1943-11-18 Improvements in or relating to electric discharge devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1930843A GB569289A (en) 1943-11-18 1943-11-18 Improvements in or relating to electric discharge devices

Publications (1)

Publication Number Publication Date
GB569289A true GB569289A (en) 1945-05-16

Family

ID=10127225

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1930843A Expired GB569289A (en) 1943-11-18 1943-11-18 Improvements in or relating to electric discharge devices

Country Status (1)

Country Link
GB (1) GB569289A (en)

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