GB1472189A - Headlamps - Google Patents

Headlamps

Info

Publication number
GB1472189A
GB1472189A GB2510774A GB2517074A GB1472189A GB 1472189 A GB1472189 A GB 1472189A GB 2510774 A GB2510774 A GB 2510774A GB 2517074 A GB2517074 A GB 2517074A GB 1472189 A GB1472189 A GB 1472189A
Authority
GB
United Kingdom
Prior art keywords
housing
reflector
june
headlamp
diametrically disposed
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
GB2510774A
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of GB1472189A publication Critical patent/GB1472189A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

1472189 Vehicle headlamps ROBERT BOSCH GmbH 6 June 1974 [7 June 1973] 25107/74 Heading F4R A headlamp comprises a demountable hygroscopic housing device having a cylindrical housing (11) with an aperture closed by a web (15), a flange (12), two radially projecting lugs (16) enabling attachment to the reflector (17) of the headlamp, the reflector having a bore (18) with two diametrically disposed recesses (19) for forming a bayonet lock with the lugs. The hygroscopic material (37) may be held in a receiving part (27) having two diametrically disposed detents (28) which engage behind a bead (38) formed on the housing.
GB2510774A 1973-06-07 1974-06-06 Headlamps Expired GB1472189A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE7321276 1973-06-07

Publications (1)

Publication Number Publication Date
GB1472189A true GB1472189A (en) 1977-05-04

Family

ID=6639022

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2510774A Expired GB1472189A (en) 1973-06-07 1974-06-06 Headlamps

Country Status (5)

Country Link
FR (1) FR2232465B3 (en)
GB (1) GB1472189A (en)
IT (1) IT1014793B (en)
NL (1) NL7407604A (en)
SE (1) SE399754B (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4444832A1 (en) * 1994-12-15 1996-06-20 Bayerische Motoren Werke Ag Luminaire unit for motor vehicles
US6709493B2 (en) 2001-03-26 2004-03-23 Gore Enterprise Holdings, Inc. Device for reducing the presence of moisture within an enclosure containing a heat source
DE102004007355A1 (en) * 2004-02-16 2005-09-01 Volkswagen Ag Lamp for a motor vehicle has a lamp casing to hold light-emitting devices and optical devices for generating a bundle of light
DE102011002132A1 (en) 2010-04-23 2011-11-24 Visteon Global Technologies, Inc. Ventilation unit with moisture absorber, in particular for a motor vehicle headlight
CN105090856A (en) * 2014-05-08 2015-11-25 黑拉许克联合股份有限公司 Ventilation system for vehicle lighting
EP3217075A1 (en) * 2016-03-04 2017-09-13 Automotive Lighting Reutlingen GmbH Ventilated motor vehicle lighting device with a replaceable air filter

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2716254B1 (en) * 1994-02-17 1996-05-10 Valeo Vision Motor vehicle headlamp, essentially closed type, with internal moisture adsorption.
WO2000047932A1 (en) * 1999-02-10 2000-08-17 Donaldson Company, Inc. Headlight assembly humidity control system
DE10306388A1 (en) * 2003-02-15 2004-09-02 Dr.Ing.H.C. F. Porsche Ag Lighting device with moisture absorbing material

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4444832A1 (en) * 1994-12-15 1996-06-20 Bayerische Motoren Werke Ag Luminaire unit for motor vehicles
US6709493B2 (en) 2001-03-26 2004-03-23 Gore Enterprise Holdings, Inc. Device for reducing the presence of moisture within an enclosure containing a heat source
DE102004007355A1 (en) * 2004-02-16 2005-09-01 Volkswagen Ag Lamp for a motor vehicle has a lamp casing to hold light-emitting devices and optical devices for generating a bundle of light
DE102011002132A1 (en) 2010-04-23 2011-11-24 Visteon Global Technologies, Inc. Ventilation unit with moisture absorber, in particular for a motor vehicle headlight
US8425099B2 (en) 2010-04-23 2013-04-23 Visteon Global Technologies, Inc. Ventilating unit with moisture absorber, especially for a motor vehicle headlight
CN105090856A (en) * 2014-05-08 2015-11-25 黑拉许克联合股份有限公司 Ventilation system for vehicle lighting
EP2942562A3 (en) * 2014-05-08 2015-12-02 Hella KGaA Hueck & Co. Ventilation system for vehicle lighting
US9618176B2 (en) 2014-05-08 2017-04-11 Hella Kgaa Hueck & Co. Ventilation system for vehicle lighting
CN105090856B (en) * 2014-05-08 2019-06-25 黑拉许克联合股份有限公司 Ventilating system for car lighting
EP3217075A1 (en) * 2016-03-04 2017-09-13 Automotive Lighting Reutlingen GmbH Ventilated motor vehicle lighting device with a replaceable air filter

Also Published As

Publication number Publication date
SE7407467L (en) 1974-12-09
FR2232465B3 (en) 1976-03-12
SE399754B (en) 1978-02-27
FR2232465A1 (en) 1975-01-03
IT1014793B (en) 1977-04-30
NL7407604A (en) 1974-12-10

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee