GB2079434B - Protecting headlamp lenses from damage by heat - Google Patents

Protecting headlamp lenses from damage by heat

Info

Publication number
GB2079434B
GB2079434B GB8117307A GB8117307A GB2079434B GB 2079434 B GB2079434 B GB 2079434B GB 8117307 A GB8117307 A GB 8117307A GB 8117307 A GB8117307 A GB 8117307A GB 2079434 B GB2079434 B GB 2079434B
Authority
GB
United Kingdom
Prior art keywords
damage
heat
headlamp lenses
protecting
protecting headlamp
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
GB8117307A
Other versions
GB2079434A (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.)
Societe de Signalisations Automobiles SEIMA
Original Assignee
Societe de Signalisations Automobiles SEIMA
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 Societe de Signalisations Automobiles SEIMA filed Critical Societe de Signalisations Automobiles SEIMA
Publication of GB2079434A publication Critical patent/GB2079434A/en
Application granted granted Critical
Publication of GB2079434B publication Critical patent/GB2079434B/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
    • F21S45/40—Cooling of lighting devices
    • 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
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/162—Incandescent light sources, e.g. filament or halogen lamps
    • F21S41/164—Incandescent light sources, e.g. filament or halogen lamps having two or more filaments
    • 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
    • F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
    • F21S41/43—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades characterised by the shape thereof
    • 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
    • F21S45/10—Protection of lighting devices
GB8117307A 1980-06-06 1981-06-05 Protecting headlamp lenses from damage by heat Expired GB2079434B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8012679A FR2484058A1 (en) 1980-06-06 1980-06-06 OPTICAL BLOCK OF LIGHTING, IN PARTICULAR FOR MOTOR VEHICLE PROJECTOR

Publications (2)

Publication Number Publication Date
GB2079434A GB2079434A (en) 1982-01-20
GB2079434B true GB2079434B (en) 1984-06-06

Family

ID=9242810

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8117307A Expired GB2079434B (en) 1980-06-06 1981-06-05 Protecting headlamp lenses from damage by heat

Country Status (5)

Country Link
DE (2) DE3122726C2 (en)
ES (1) ES259198Y (en)
FR (1) FR2484058A1 (en)
GB (1) GB2079434B (en)
IT (1) IT1147363B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4506315A (en) * 1982-12-08 1985-03-19 Ichikoh Industries, Ltd. Vehicle headlamp
EP0111579A1 (en) * 1982-12-17 1984-06-27 Ichikoh Industries Limited Vehicle headlamp
US4642514A (en) * 1984-09-28 1987-02-10 Gte Products Corporation Automobile headlight with combined heat and light shield
FR2636408B1 (en) * 1988-09-12 1992-04-17 Valeo LIGHTING PROJECTOR WITH PLASTIC REFLECTOR OF RECTANGULAR RIGHT SECTION AND PROVIDED WITH A THERMAL SCREEN
DE10013304B4 (en) * 2000-03-17 2005-05-25 We-Ef Leuchten Wolfgang Fritzsche Elektroapparatebau Gmbh & Co. Kg lamp
SI21240A (en) 2002-05-27 2003-12-31 Saturnus - Avtooprema Proizvodnja Svetlobne Opreme Illuminant with apparently black or almost black case made of polymer
FR3032516B1 (en) 2015-02-06 2021-04-16 Valeo Vision LUMINOUS MODULE REFLECTOR DEVICE WITH ELECTROMAGNETIC SHIELDING

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR542352A (en) * 1922-08-10
FR545401A (en) * 1921-12-30 1922-10-11 Improvements in headlights, projectors and the like
FR1139622A (en) * 1966-08-01 1957-07-03 Du Pont PH adjustment in electrolytic deposition processes
DE1968112U (en) * 1967-05-30 1967-09-14 Stra Lichttechnik G M B H E REFLECTOR LIGHT.
FR2036971A1 (en) * 1969-04-24 1970-12-31 Cibie Projecteurs
FR2098680A5 (en) * 1970-07-23 1972-03-10 Sev Marchal

Also Published As

Publication number Publication date
ES259198U (en) 1982-06-01
GB2079434A (en) 1982-01-20
DE3122726C2 (en) 1986-05-15
ES259198Y (en) 1982-12-01
DE3122726A1 (en) 1982-04-15
FR2484058A1 (en) 1981-12-11
DE3153278A1 (en) 1985-07-11
IT8112545A0 (en) 1981-06-05
FR2484058B1 (en) 1982-11-19
IT1147363B (en) 1986-11-19

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19960605