FR799878A - Improvement in the dissipation of radiant energy produced by artificial lighting devices - Google Patents

Improvement in the dissipation of radiant energy produced by artificial lighting devices

Info

Publication number
FR799878A
FR799878A FR799878DA FR799878A FR 799878 A FR799878 A FR 799878A FR 799878D A FR799878D A FR 799878DA FR 799878 A FR799878 A FR 799878A
Authority
FR
France
Prior art keywords
dissipation
improvement
lighting devices
radiant energy
energy produced
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.)
Corning Glass Works
Original Assignee
Corning Glass Works
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 Corning Glass Works filed Critical Corning Glass Works
Application granted granted Critical
Publication of FR799878A publication Critical patent/FR799878A/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50Cooling arrangements
    • F21V29/60Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00Lighting devices intended for fixed installation
    • F21S8/02Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
    • F21S8/026Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters intended to be recessed in a ceiling or like overhead structure, e.g. suspended ceiling
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V33/00Structural combinations of lighting devices with other articles, not otherwise provided for
    • F21V33/0088Ventilating systems

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR799878D 1934-12-26 1935-12-26 Improvement in the dissipation of radiant energy produced by artificial lighting devices Expired FR799878A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US799878XA 1934-12-26 1934-12-26

Publications (1)

Publication Number Publication Date
FR799878A true FR799878A (en) 1936-06-22

Family

ID=22154076

Family Applications (1)

Application Number Title Priority Date Filing Date
FR799878D Expired FR799878A (en) 1934-12-26 1935-12-26 Improvement in the dissipation of radiant energy produced by artificial lighting devices

Country Status (1)

Country Link
FR (1) FR799878A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2180091A1 (en) * 1972-04-13 1973-11-23 Ltg Lufttechnische Gmbh
US4658338A (en) * 1985-07-03 1987-04-14 Quartzcolor Ianiro S.P.A. Lighting projectors with an intensified and accelerated air flow cooling system for photographic and motion picture studios

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2180091A1 (en) * 1972-04-13 1973-11-23 Ltg Lufttechnische Gmbh
US4658338A (en) * 1985-07-03 1987-04-14 Quartzcolor Ianiro S.P.A. Lighting projectors with an intensified and accelerated air flow cooling system for photographic and motion picture studios

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