FR3055402B1 - HEAT SINK FOR LIGHTING DEVICE FOR MOTOR VEHICLES - Google Patents

HEAT SINK FOR LIGHTING DEVICE FOR MOTOR VEHICLES Download PDF

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Publication number
FR3055402B1
FR3055402B1 FR1658100A FR1658100A FR3055402B1 FR 3055402 B1 FR3055402 B1 FR 3055402B1 FR 1658100 A FR1658100 A FR 1658100A FR 1658100 A FR1658100 A FR 1658100A FR 3055402 B1 FR3055402 B1 FR 3055402B1
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FR
France
Prior art keywords
heat sink
fins
lighting device
motor vehicles
axis
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.)
Active
Application number
FR1658100A
Other languages
French (fr)
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FR3055402A1 (en
Inventor
Eric Stefura
Saad Lotfi Redjem
Huy-Cuong Nguyen
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 Vision SAS
Original Assignee
Valeo Vision SAS
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 Vision SAS filed Critical Valeo Vision SAS
Priority to FR1658100A priority Critical patent/FR3055402B1/en
Publication of FR3055402A1 publication Critical patent/FR3055402A1/en
Application granted granted Critical
Publication of FR3055402B1 publication Critical patent/FR3055402B1/en
Active legal-status Critical Current
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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
    • F21S45/47—Passive cooling, e.g. using fins, thermal conductive elements or openings
    • 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
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/75—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with fins or blades having different shapes, thicknesses or spacing

Abstract

La présente invention concerne un dissipateur thermique (1) pour dispositif lumineux (2) pour véhicule automobile (V), ledit dissipateur thermique comportant une pluralité d'ailettes (10), caractérisé en ce que ledit dissipateur thermique comporte un motif (10) répété d'au moins deux ailettes de forme allongée (11) en section transversale selon un axe donné (Ax), l'axe (Ax) d'une des ailettes composant un motif (10) se recoupant avec au moins l'axe (Ax) d'une des autres ailettes du même motif (10).The present invention relates to a heat sink (1) for a light device (2) for a motor vehicle (V), said heat sink comprising a plurality of fins (10), characterized in that said heat sink has a repeated pattern (10) of at least two fins of elongated shape (11) in cross section along a given axis (Ax), the axis (Ax) of one of the fins constituting a pattern (10) intersecting with at least the axis (Ax ) one of the other fins of the same pattern (10).

FR1658100A 2016-08-31 2016-08-31 HEAT SINK FOR LIGHTING DEVICE FOR MOTOR VEHICLES Active FR3055402B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1658100A FR3055402B1 (en) 2016-08-31 2016-08-31 HEAT SINK FOR LIGHTING DEVICE FOR MOTOR VEHICLES

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1658100 2016-08-31
FR1658100A FR3055402B1 (en) 2016-08-31 2016-08-31 HEAT SINK FOR LIGHTING DEVICE FOR MOTOR VEHICLES

Publications (2)

Publication Number Publication Date
FR3055402A1 FR3055402A1 (en) 2018-03-02
FR3055402B1 true FR3055402B1 (en) 2021-04-30

Family

ID=57680357

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1658100A Active FR3055402B1 (en) 2016-08-31 2016-08-31 HEAT SINK FOR LIGHTING DEVICE FOR MOTOR VEHICLES

Country Status (1)

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FR (1) FR3055402B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4089323A1 (en) * 2021-05-12 2022-11-16 ZG Lighting France S.A.S Heat sink for lighting device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7712926B2 (en) * 2006-08-17 2010-05-11 Koninklijke Philips Electronics N.V. Luminaire comprising adjustable light modules
GB2497724A (en) * 2011-12-08 2013-06-26 Nissan Motor Mfg Uk Ltd Lighting unit mounting for a vehicle
KR101440025B1 (en) * 2013-05-22 2014-09-12 이종은 Head Lamp Device for Automobile and manufacturing process thereof

Also Published As

Publication number Publication date
FR3055402A1 (en) 2018-03-02

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