FR517227A - Improvements to electric steam lamps - Google Patents

Improvements to electric steam lamps

Info

Publication number
FR517227A
FR517227A FR517227A FR517227DA FR517227A FR 517227 A FR517227 A FR 517227A FR 517227 A FR517227 A FR 517227A FR 517227D A FR517227D A FR 517227DA FR 517227 A FR517227 A FR 517227A
Authority
FR
France
Prior art keywords
electric steam
steam lamps
lamps
electric
steam
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
FR517227A
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.)
Hewittic Electric Co
Original Assignee
Westinghouse Cooper Hewitt Co 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 Westinghouse Cooper Hewitt Co Ltd filed Critical Westinghouse Cooper Hewitt Co Ltd
Application granted granted Critical
Publication of FR517227A publication Critical patent/FR517227A/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
    • H01J13/04—Main electrodes; Auxiliary anodes
    • H01J13/06—Cathodes
    • H01J13/14—Cooling, heating, circulating, filtering, or controlling level of the liquid
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/04—Electrodes; Screens; Shields
    • 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
    • H01J2893/0083—Liquid electrode level control
FR517227A 1919-06-20 1920-06-15 Improvements to electric steam lamps Expired FR517227A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH517227X 1919-06-20

Publications (1)

Publication Number Publication Date
FR517227A true FR517227A (en) 1921-05-02

Family

ID=4517759

Family Applications (1)

Application Number Title Priority Date Filing Date
FR517227A Expired FR517227A (en) 1919-06-20 1920-06-15 Improvements to electric steam lamps

Country Status (1)

Country Link
FR (1) FR517227A (en)

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