FR542656A - Heated shades for lighting lamps - Google Patents

Heated shades for lighting lamps

Info

Publication number
FR542656A
FR542656A FR542656DA FR542656A FR 542656 A FR542656 A FR 542656A FR 542656D A FR542656D A FR 542656DA FR 542656 A FR542656 A FR 542656A
Authority
FR
France
Prior art keywords
shades
heated
lighting lamps
lamps
lighting
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.)
RADIOLUX
Original Assignee
RADIOLUX
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 RADIOLUX filed Critical RADIOLUX
Application granted granted Critical
Publication of FR542656A publication Critical patent/FR542656A/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
    • 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
    • F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
    • F21V29/505—Cooling arrangements characterised by the adaptation for cooling of specific components of reflectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H3/00—Air heaters
    • F24H3/02—Air heaters with forced circulation
    • F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
FR542656D 1921-10-24 1921-10-24 Heated shades for lighting lamps Expired FR542656A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR542656T 1921-10-24

Publications (1)

Publication Number Publication Date
FR542656A true FR542656A (en) 1922-08-19

Family

ID=8931027

Family Applications (1)

Application Number Title Priority Date Filing Date
FR542656D Expired FR542656A (en) 1921-10-24 1921-10-24 Heated shades for lighting lamps

Country Status (1)

Country Link
FR (1) FR542656A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2439038A (en) * 1942-11-21 1948-04-06 William G Cartter Overhead gas-fired radiator and reflector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2439038A (en) * 1942-11-21 1948-04-06 William G Cartter Overhead gas-fired radiator and reflector

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