EP1437546A3 - Vehicle headlamp - Google Patents

Vehicle headlamp Download PDF

Info

Publication number
EP1437546A3
EP1437546A3 EP04000089A EP04000089A EP1437546A3 EP 1437546 A3 EP1437546 A3 EP 1437546A3 EP 04000089 A EP04000089 A EP 04000089A EP 04000089 A EP04000089 A EP 04000089A EP 1437546 A3 EP1437546 A3 EP 1437546A3
Authority
EP
European Patent Office
Prior art keywords
reflector
opening
housing
headlamp
vehicle 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.)
Withdrawn
Application number
EP04000089A
Other languages
German (de)
French (fr)
Other versions
EP1437546A2 (en
Inventor
Sascha Nolte
Erik Dr. Woldt
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.)
Hella GmbH and Co KGaA
Original Assignee
Hella KGaA Huek and Co
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 Hella KGaA Huek and Co filed Critical Hella KGaA Huek and Co
Publication of EP1437546A2 publication Critical patent/EP1437546A2/en
Publication of EP1437546A3 publication Critical patent/EP1437546A3/en
Withdrawn legal-status Critical Current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
    • F21S45/42—Forced cooling
    • F21S45/43—Forced cooling using gas
    • 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
    • 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
    • F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
    • F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
    • F21V29/673—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans the fans being used for intake
    • 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
    • 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
    • F21S45/60—Heating of lighting devices, e.g. for demisting

Abstract

Die Erfindung betrifft einen Scheinwerfer für Fahrzeug mit einem schalenförmigen Reflektor (1) und mit einem den Reflektor (1) aufnehmenden Gehäuse (2), dessen vordere Öffnung durch ein lichtdurchlässiges Abdeckelement (3) abgeschlossen ist. Einer Reflektoröffnung (5) des Reflektors (1) ist ein Leuchtmittel (4) zugeordnet. Ein Zwangsbelüftungssystem des Scheinwerfers weist eine Einlassöffnung (7) des Gehäuses (2) für Kühlluft (8), mindestens eine in das Gehäuse eingebrachte Auslassöffnung (9) und einen die Einlassöffnung (7) mit der Reflektoröffnung (5) verbindenden Luftleitraum (10,11) auf.

Figure 00000001
The invention relates to a headlamp for a vehicle with a bowl-shaped reflector (1) and with a housing (2) receiving the reflector (1), the front opening of which is closed by a translucent cover element (3). A lamp (4) is assigned to a reflector opening (5) of the reflector (1). A forced ventilation system for the headlamp has an inlet opening (7) in the housing (2) for cooling air (8), at least one outlet opening (9) made in the housing and an air duct (10,11) connecting the inlet opening (7) with the reflector opening (5) ) on.
Figure 00000001
EP04000089A 2003-01-09 2004-01-07 Vehicle headlamp Withdrawn EP1437546A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10300416A DE10300416A1 (en) 2003-01-09 2003-01-09 Headlights for vehicles
DE10300416 2003-01-09

Publications (2)

Publication Number Publication Date
EP1437546A2 EP1437546A2 (en) 2004-07-14
EP1437546A3 true EP1437546A3 (en) 2004-10-13

Family

ID=32478172

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04000089A Withdrawn EP1437546A3 (en) 2003-01-09 2004-01-07 Vehicle headlamp

Country Status (2)

Country Link
EP (1) EP1437546A3 (en)
DE (1) DE10300416A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004047324A1 (en) * 2004-09-29 2006-04-13 Osram Opto Semiconductors Gmbh LED array
FR2923891A1 (en) * 2007-11-16 2009-05-22 Peugeot Citroen Automobiles Sa Optical unit i.e. headlight, for motor vehicle, has helix housed in hollow interface or conformed conduit to pulsate air that penetrates through air inlet of conduit before air is not delivered by outlet of interface
FR2951244B1 (en) * 2009-10-09 2014-03-21 Valeo Vision DEVICE FOR LIGHTING AND / OR SIGNALING A MOTOR VEHICLE
FR3010491B1 (en) 2013-09-09 2018-01-26 Valeo Illuminacion LUMINOUS SIGNALING DEVICE WITH NATURAL CONVECTION FOR MOTOR VEHICLE
DE102014106793A1 (en) * 2014-05-14 2015-11-19 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Motor vehicle headlamps
US10066801B1 (en) 2017-10-04 2018-09-04 Osram Sylvania Inc. Vehicle lamp reflector having ventilation channel adjacent lamp capsule

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3691365A (en) * 1970-08-11 1972-09-12 Unilex Inc Electronic flash lighting system
FR2500116A1 (en) * 1981-02-16 1982-08-20 Seima Vehicle headlamp with hot air deflector over bulb - uses semi-cylindrical plate over bulb to divert hot air towards front glass of headlamp for better cooling
US5491619A (en) * 1995-03-20 1996-02-13 Caterpillar Inc. Vibration and shock isolated headlight mounting system
DE19814300A1 (en) * 1998-03-31 1999-10-07 Volkswagen Ag Headlights or lights
US6283614B1 (en) * 1999-01-18 2001-09-04 Matsushita Electric Industrial Co., Ltd. Liquid crystal projection apparatus and lamp
US20020145884A1 (en) * 2001-04-10 2002-10-10 Koito Manufacturing Co., Ltd. Vehicle headlamp

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5205642A (en) * 1990-10-30 1993-04-27 Ushio Denki Mirror and lamp assembly
FR2701756B1 (en) * 1993-02-17 1995-05-19 Peugeot Ventilated optical unit especially for motor vehicles.
JPH07130203A (en) * 1993-11-02 1995-05-19 F C Soken Kk Halogen projector
TW461949B (en) * 1997-07-31 2001-11-01 Plus Kk Lamp cartridge
JP2000082322A (en) * 1998-09-08 2000-03-21 Ushio Inc Light source unit
JP4225626B2 (en) * 1999-04-02 2009-02-18 三菱電機株式会社 Light source device
JP3580205B2 (en) * 2000-01-18 2004-10-20 ウシオ電機株式会社 Electromagnetic energy excitation point light source lamp device
JP2002124123A (en) * 2000-10-17 2002-04-26 Denso Corp Vehicle headlight
DE10101005B4 (en) * 2001-01-11 2016-05-19 Volkswagen Ag Motor vehicle light, in particular headlights
JP2002245842A (en) * 2001-02-19 2002-08-30 Sharp Corp Lamp cooling structure
JP2002260437A (en) * 2001-02-27 2002-09-13 Sharp Corp Light source unit

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3691365A (en) * 1970-08-11 1972-09-12 Unilex Inc Electronic flash lighting system
FR2500116A1 (en) * 1981-02-16 1982-08-20 Seima Vehicle headlamp with hot air deflector over bulb - uses semi-cylindrical plate over bulb to divert hot air towards front glass of headlamp for better cooling
US5491619A (en) * 1995-03-20 1996-02-13 Caterpillar Inc. Vibration and shock isolated headlight mounting system
DE19814300A1 (en) * 1998-03-31 1999-10-07 Volkswagen Ag Headlights or lights
US6283614B1 (en) * 1999-01-18 2001-09-04 Matsushita Electric Industrial Co., Ltd. Liquid crystal projection apparatus and lamp
US20020145884A1 (en) * 2001-04-10 2002-10-10 Koito Manufacturing Co., Ltd. Vehicle headlamp

Also Published As

Publication number Publication date
DE10300416A1 (en) 2004-07-22
EP1437546A2 (en) 2004-07-14

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