GB311704A - Improvements in vacuum or low pressure metallic vapour lamps - Google Patents

Improvements in vacuum or low pressure metallic vapour lamps

Info

Publication number
GB311704A
GB311704A GB12626/29A GB1262629A GB311704A GB 311704 A GB311704 A GB 311704A GB 12626/29 A GB12626/29 A GB 12626/29A GB 1262629 A GB1262629 A GB 1262629A GB 311704 A GB311704 A GB 311704A
Authority
GB
United Kingdom
Prior art keywords
vacuum
low pressure
pressure metallic
metallic vapour
vapour lamps
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
GB12626/29A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB311704A publication Critical patent/GB311704A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/52—Cooling arrangements; Heating arrangements; Means for circulating gas or vapour within the discharge space

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)

Abstract

311,704. Bogdandy, S. von, and Wamoscher, L. May 14, 1928, [Convention date]. Vacuum tubes; low-pressure metallic-vapour apparatus.-The electrode container of a discharge lamp a is cooled by a surrounding metal sheath c thermally connected to the reflector b which may be provided with heat-radiating fins d.
GB12626/29A 1928-05-14 1929-04-23 Improvements in vacuum or low pressure metallic vapour lamps Expired GB311704A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE311704X 1928-05-14

Publications (1)

Publication Number Publication Date
GB311704A true GB311704A (en) 1930-02-13

Family

ID=6131106

Family Applications (1)

Application Number Title Priority Date Filing Date
GB12626/29A Expired GB311704A (en) 1928-05-14 1929-04-23 Improvements in vacuum or low pressure metallic vapour lamps

Country Status (1)

Country Link
GB (1) GB311704A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2497963A (en) * 1947-01-02 1950-02-21 Teletone Radio Corp Attachment for radio sets
US2621284A (en) * 1946-07-13 1952-12-09 Gretener Edgar Direct current arc having reflector means superimposing a reverse complementary image on the arc

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2621284A (en) * 1946-07-13 1952-12-09 Gretener Edgar Direct current arc having reflector means superimposing a reverse complementary image on the arc
US2497963A (en) * 1947-01-02 1950-02-21 Teletone Radio Corp Attachment for radio sets

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