FR849331A - Electric incandescent lamp in a gaseous atmosphere with an operating pressure greater than 4 atmospheres - Google Patents

Electric incandescent lamp in a gaseous atmosphere with an operating pressure greater than 4 atmospheres

Info

Publication number
FR849331A
FR849331A FR849331DA FR849331A FR 849331 A FR849331 A FR 849331A FR 849331D A FR849331D A FR 849331DA FR 849331 A FR849331 A FR 849331A
Authority
FR
France
Prior art keywords
atmospheres
operating pressure
incandescent lamp
pressure greater
gaseous atmosphere
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 FR849331A publication Critical patent/FR849331A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/58—Cooling arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/28—Envelopes; Vessels
    • H01K1/34—Double wall vessels
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
FR849331D 1938-01-25 1939-01-24 Electric incandescent lamp in a gaseous atmosphere with an operating pressure greater than 4 atmospheres Expired FR849331A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE849331X 1938-01-25

Publications (1)

Publication Number Publication Date
FR849331A true FR849331A (en) 1939-11-21

Family

ID=6775824

Family Applications (1)

Application Number Title Priority Date Filing Date
FR849331D Expired FR849331A (en) 1938-01-25 1939-01-24 Electric incandescent lamp in a gaseous atmosphere with an operating pressure greater than 4 atmospheres

Country Status (2)

Country Link
BE (1) BE432316A (en)
FR (1) FR849331A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0104595A2 (en) * 1982-09-23 1984-04-04 GTE Products Corporation Double-enveloped incandescent lamp
EP0104594A2 (en) * 1982-09-23 1984-04-04 GTE Products Corporation Double-enveloped lamp
US4625140A (en) * 1982-09-23 1986-11-25 Gte Products Corporation Tungsten halogen lamp with light source capsule containment device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0104595A2 (en) * 1982-09-23 1984-04-04 GTE Products Corporation Double-enveloped incandescent lamp
EP0104594A2 (en) * 1982-09-23 1984-04-04 GTE Products Corporation Double-enveloped lamp
EP0104595A3 (en) * 1982-09-23 1984-11-07 Gte Products Corporation Tungsten halogen lamp with light-source capsule containment device
EP0104594A3 (en) * 1982-09-23 1984-11-07 Gte Products Corporation Light-source capsule containment device and lamp employing such device
US4625140A (en) * 1982-09-23 1986-11-25 Gte Products Corporation Tungsten halogen lamp with light source capsule containment device
AU570012B2 (en) * 1982-09-23 1988-03-03 Gte Products Corporation Light-source capsule containment device

Also Published As

Publication number Publication date
BE432316A (en)

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