FR981280A - Improvements to the pumping circuits of electrical mercury vapor converters - Google Patents

Improvements to the pumping circuits of electrical mercury vapor converters

Info

Publication number
FR981280A
FR981280A FR981280DA FR981280A FR 981280 A FR981280 A FR 981280A FR 981280D A FR981280D A FR 981280DA FR 981280 A FR981280 A FR 981280A
Authority
FR
France
Prior art keywords
mercury vapor
pumping circuits
vapor converters
electrical
converters
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
Other languages
French (fr)
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.)
ACEC
Umicore NV SA
Original Assignee
ACEC
Ateliers de Constructions Electriques de Charleroi SA
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 ACEC, Ateliers de Constructions Electriques de Charleroi SA filed Critical ACEC
Application granted granted Critical
Publication of FR981280A publication Critical patent/FR981280A/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
    • H01J13/28—Selection of substances for gas filling; Means for obtaining the desired pressure within the tube
    • 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
    • H01J2893/0074—Cathodic cups; Screens; Reflectors; Filters; Windows; Protection against mercury deposition; Returning condensed electrode material to the cathodic cup; Liquid electrode level control
    • H01J2893/0086—Gas fill; Maintaining or maintaining desired pressure; Producing, introducing or replenishing gas or vapour during operation of the tube; Getters; Gas cleaning; Electrode cleaning
FR981280D 1943-03-29 1943-03-29 Improvements to the pumping circuits of electrical mercury vapor converters Expired FR981280A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR981280T 1943-03-29

Publications (1)

Publication Number Publication Date
FR981280A true FR981280A (en) 1951-05-24

Family

ID=9531479

Family Applications (1)

Application Number Title Priority Date Filing Date
FR981280D Expired FR981280A (en) 1943-03-29 1943-03-29 Improvements to the pumping circuits of electrical mercury vapor converters

Country Status (4)

Country Link
US (1) US2455602A (en)
CH (1) CH242239A (en)
DE (1) DE866822C (en)
FR (1) FR981280A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3454827A (en) * 1967-06-16 1969-07-08 United Aircraft Corp Current control for a cold cathode

Also Published As

Publication number Publication date
DE866822C (en) 1953-02-12
US2455602A (en) 1948-12-07
CH242239A (en) 1946-04-30

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