EP2947379A3 - Elliptical optical module for a motor vehicle lighting device - Google Patents

Elliptical optical module for a motor vehicle lighting device Download PDF

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Publication number
EP2947379A3
EP2947379A3 EP15167270.6A EP15167270A EP2947379A3 EP 2947379 A3 EP2947379 A3 EP 2947379A3 EP 15167270 A EP15167270 A EP 15167270A EP 2947379 A3 EP2947379 A3 EP 2947379A3
Authority
EP
European Patent Office
Prior art keywords
focus
motor vehicle
optical module
lighting device
vehicle lighting
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Withdrawn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
EP15167270.6A
Other languages
German (de)
French (fr)
Other versions
EP2947379A2 (en
Inventor
Carlos Gomez
Jose-Manuel Herrera
Eric Moisy
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.)
Valeo Iluminacion SA
Original Assignee
Valeo Iluminacion SA
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 Valeo Iluminacion SA filed Critical Valeo Iluminacion SA
Publication of EP2947379A2 publication Critical patent/EP2947379A2/en
Publication of EP2947379A3 publication Critical patent/EP2947379A3/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Withdrawn legal-status Critical Current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
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/68—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens
    • F21S41/683—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens by moving screens
    • F21S41/698—Shaft-shaped screens rotating along its longitudinal axis
    • 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
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/62—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution for adaptation between right-hand and left-hand traffic

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

Module optique (1) pour dispositif d'éclairage et/ou de signalisation pour véhicule automobile, apte à émettre au moins un type de faisceau lumineux selon un axe optique longitudinal (A), et comportant :
- un réflecteur (2) comportant un premier foyer (a) et un deuxième foyer (b) sur l'axe optique (A),
- une source lumineuse, au voisinage du premier foyer (a),
- une lentille convergente (3) à l'avant du réflecteur (2), et
- un cache (4), au voisinage du deuxième foyer (b) et monté en rotation autour d'un axe (B) orthogonal à l'axe optique (A), et présentant au moins deux parties (5,6) munies chacune d'au moins un bord apte à former une coupure dans le faisceau lumineux, l'un des bords de coupure étant apte à être positionné au niveau du deuxième foyer (b),
l'une (5) des parties (5, 6) du cache (4) comprenant un axe (9), sur lequel sont montées en rotation les autres parties (6) du cache (4).

Figure imgaf001
Optical module (1) for a lighting and / or signaling device for a motor vehicle, capable of emitting at least one type of light beam along a longitudinal optical axis (A), and comprising:
a reflector (2) comprising a first focus (a) and a second focus (b) on the optical axis (A),
a light source, in the vicinity of the first focus (a),
a convergent lens (3) at the front of the reflector (2), and
- a cover (4), in the vicinity of the second focus (b) and mounted in rotation about an axis (B) orthogonal to the optical axis (A), and having at least two parts (5,6) each provided with at least one edge capable of forming a cut-off in the light beam, one of the cut-off edges being able to be positioned at the level of the second focus (b),
one (5) of the parts (5, 6) of the cover (4) comprising an axis (9) on which the other parts (6) of the cover (4) are rotated.
Figure imgaf001
EP15167270.6A 2014-05-20 2015-05-12 Elliptical optical module for a motor vehicle lighting device Withdrawn EP2947379A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1454541A FR3021392B1 (en) 2014-05-20 2014-05-20 ELLIPTICAL OPTICAL MODULE FOR AUTOMOBILE SCALE DEVICE

Publications (2)

Publication Number Publication Date
EP2947379A2 EP2947379A2 (en) 2015-11-25
EP2947379A3 true EP2947379A3 (en) 2016-04-27

Family

ID=51688156

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15167270.6A Withdrawn EP2947379A3 (en) 2014-05-20 2015-05-12 Elliptical optical module for a motor vehicle lighting device

Country Status (2)

Country Link
EP (1) EP2947379A3 (en)
FR (1) FR3021392B1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4335286A1 (en) * 1992-10-21 1994-04-28 Koito Mfg Co Ltd Spotlamp for a car - has motorised shutter between reflector and lens, comprising two eccentric cylinders of different diameters on shaft
EP2098775A2 (en) * 2008-03-05 2009-09-09 Koito Manufacturing Co., Ltd. Vehicle headlamp
JP2010146984A (en) * 2008-12-22 2010-07-01 Koito Mfg Co Ltd Headlight device for vehicle
WO2011033709A1 (en) * 2009-09-15 2011-03-24 株式会社小糸製作所 Headlight device for vehicle
JP2011175857A (en) * 2010-02-24 2011-09-08 Koito Mfg Co Ltd Headlight for vehicle

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006043281B4 (en) 2006-09-14 2016-05-04 Volkswagen Ag Projection headlight assembly for vehicles
FR2953468B1 (en) 2009-12-08 2012-05-25 Valeo Vision OPTICAL MODULE FOR GENERATING A CODE-TYPE LUMINOUS BEAM AND A SELECTIVE LUMINOUS BEAM

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4335286A1 (en) * 1992-10-21 1994-04-28 Koito Mfg Co Ltd Spotlamp for a car - has motorised shutter between reflector and lens, comprising two eccentric cylinders of different diameters on shaft
EP2098775A2 (en) * 2008-03-05 2009-09-09 Koito Manufacturing Co., Ltd. Vehicle headlamp
JP2010146984A (en) * 2008-12-22 2010-07-01 Koito Mfg Co Ltd Headlight device for vehicle
WO2011033709A1 (en) * 2009-09-15 2011-03-24 株式会社小糸製作所 Headlight device for vehicle
JP2011175857A (en) * 2010-02-24 2011-09-08 Koito Mfg Co Ltd Headlight for vehicle

Also Published As

Publication number Publication date
FR3021392A1 (en) 2015-11-27
FR3021392B1 (en) 2018-11-02
EP2947379A2 (en) 2015-11-25

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