FR779790A - Steam Lamp Improvements - Google Patents

Steam Lamp Improvements

Info

Publication number
FR779790A
FR779790A FR779790DA FR779790A FR 779790 A FR779790 A FR 779790A FR 779790D A FR779790D A FR 779790DA FR 779790 A FR779790 A FR 779790A
Authority
FR
France
Prior art keywords
steam lamp
steam
lamp
lamp improvements
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.)
Compagnie des Lampes
Original Assignee
Compagnie des Lampes
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 Compagnie des Lampes filed Critical Compagnie des Lampes
Application granted granted Critical
Publication of FR779790A publication Critical patent/FR779790A/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
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2113/00—Combination of light sources

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR779790D 1933-10-16 1934-10-15 Steam Lamp Improvements Expired FR779790A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB779790X 1933-10-16

Publications (1)

Publication Number Publication Date
FR779790A true FR779790A (en) 1935-04-12

Family

ID=10497668

Family Applications (1)

Application Number Title Priority Date Filing Date
FR779790D Expired FR779790A (en) 1933-10-16 1934-10-15 Steam Lamp Improvements

Country Status (1)

Country Link
FR (1) FR779790A (en)

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