GB1367234A - Closed reflector unit provided with incandescent lamp - Google Patents

Closed reflector unit provided with incandescent lamp

Info

Publication number
GB1367234A
GB1367234A GB2831372A GB2831372A GB1367234A GB 1367234 A GB1367234 A GB 1367234A GB 2831372 A GB2831372 A GB 2831372A GB 2831372 A GB2831372 A GB 2831372A GB 1367234 A GB1367234 A GB 1367234A
Authority
GB
United Kingdom
Prior art keywords
lamp
drying agent
vapour pressure
incandescent lamp
june
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
GB2831372A
Other languages
English (en)
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries Ltd
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 Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1367234A publication Critical patent/GB1367234A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/30—Ventilation or drainage of lighting devices
    • F21S45/33—Ventilation or drainage of lighting devices specially adapted for headlamps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/29—Attachment thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
GB2831372A 1971-06-21 1972-06-16 Closed reflector unit provided with incandescent lamp Expired GB1367234A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7108536A NL7108536A (enrdf_load_stackoverflow) 1971-06-21 1971-06-21

Publications (1)

Publication Number Publication Date
GB1367234A true GB1367234A (en) 1974-09-18

Family

ID=19813449

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2831372A Expired GB1367234A (en) 1971-06-21 1972-06-16 Closed reflector unit provided with incandescent lamp

Country Status (6)

Country Link
US (1) US3809942A (enrdf_load_stackoverflow)
JP (1) JPS5525706B1 (enrdf_load_stackoverflow)
DE (1) DE2228684A1 (enrdf_load_stackoverflow)
FR (1) FR2143171B1 (enrdf_load_stackoverflow)
GB (1) GB1367234A (enrdf_load_stackoverflow)
NL (1) NL7108536A (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4146812A (en) * 1978-05-01 1979-03-27 Gte Sylvania Incorporated Motor vehicle headlight having filling hole sealed with non-rigid material
US4240853A (en) * 1978-10-20 1980-12-23 Esquire, Inc. Lens closure for light fixture and method for attachment
US4429249A (en) 1980-03-10 1984-01-31 General Motors Corporation Sealed beam lamp and method of manufacture
DE4339954A1 (de) * 1993-11-24 1995-06-01 Porsche Ag Scheinwerfer für ein Kraftfahrzeug
FR2871750A1 (fr) * 2004-06-18 2005-12-23 Valeo Vision Sa Dispositif d'eclairage et/ou de signalisation pour vehicule automobile
US11655966B2 (en) * 2019-01-14 2023-05-23 Musco Corporation Apparatus, method, and system for reducing moisture in LED lighting fixtures
KR102619113B1 (ko) * 2019-01-14 2023-12-27 무스코 코포레이션 Led 조명 기구들의 습기를 감소시키기 위한 장치, 방법 및 시스템

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1992852A (en) * 1930-04-16 1935-02-26 Bader Jakob Surge protector
US2464990A (en) * 1945-08-28 1949-03-22 Westinghouse Electric Corp Electric lamp manufacture
US2594753A (en) * 1949-10-06 1952-04-29 Gen Motors Corp Sealed beam lamp
US2882244A (en) * 1953-12-24 1959-04-14 Union Carbide Corp Molecular sieve adsorbents
US3010045A (en) * 1955-05-27 1961-11-21 Westinghouse Electric Corp Sealed-beam lamp and method of manufacture
NL262249A (enrdf_load_stackoverflow) * 1960-03-11
NL6613009A (enrdf_load_stackoverflow) * 1966-09-15 1968-03-18
NL153387B (nl) * 1968-02-15 1977-05-16 Philips Nv Inrichting voor het opwekken van gestimuleerde infraroodemissie, iraser, door middel van een elektrische ontlading in een gedeeltelijk uit koolzuurgas bestaand gasmengsel, en ontladingsbuis bestemd voor een dergelijke inrichting.
JPS4836782U (enrdf_load_stackoverflow) * 1971-09-04 1973-05-02

Also Published As

Publication number Publication date
FR2143171A1 (enrdf_load_stackoverflow) 1973-02-02
DE2228684A1 (de) 1973-01-18
JPS5525706B1 (enrdf_load_stackoverflow) 1980-07-08
US3809942A (en) 1974-05-07
NL7108536A (enrdf_load_stackoverflow) 1972-12-27
FR2143171B1 (enrdf_load_stackoverflow) 1977-12-23

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]