FR804116A - Lighting apparatus incorporating liquid-cooled electric light sources - Google Patents

Lighting apparatus incorporating liquid-cooled electric light sources

Info

Publication number
FR804116A
FR804116A FR804116DA FR804116A FR 804116 A FR804116 A FR 804116A FR 804116D A FR804116D A FR 804116DA FR 804116 A FR804116 A FR 804116A
Authority
FR
France
Prior art keywords
light sources
lighting apparatus
electric light
apparatus incorporating
cooled electric
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR804116A publication Critical patent/FR804116A/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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/04—Fastening of light sources or lamp holders with provision for changing light source, e.g. turret
    • 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
    • F21V29/50—Cooling arrangements
    • F21V29/56—Cooling arrangements using liquid coolants
    • 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)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
FR804116D 1935-03-20 1936-03-19 Lighting apparatus incorporating liquid-cooled electric light sources Expired FR804116A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE454906X 1935-03-20

Publications (1)

Publication Number Publication Date
FR804116A true FR804116A (en) 1936-10-16

Family

ID=6538986

Family Applications (1)

Application Number Title Priority Date Filing Date
FR804116D Expired FR804116A (en) 1935-03-20 1936-03-19 Lighting apparatus incorporating liquid-cooled electric light sources

Country Status (3)

Country Link
FR (1) FR804116A (en)
GB (1) GB454906A (en)
NL (1) NL50588C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2569876A (en) * 1947-03-14 1951-10-02 Edwin C Weiskopf Multiple lamp apparatus for interchanging liquid-cooled lamps
AT518220B1 (en) * 2016-02-02 2017-11-15 Zkw Group Gmbh Lighting unit for a motor vehicle

Also Published As

Publication number Publication date
NL50588C (en) 1900-01-01
GB454906A (en) 1936-10-09

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