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1. US20100046245 - System and method for heat dissipation from an automotive lighting assembly having a liquid cooling circuit

Office
United States of America
Application Number 12194663
Application Date 20.08.2008
Publication Number 20100046245
Publication Date 25.02.2010
Grant Number 07883251
Grant Date 08.02.2011
Publication Kind B2
IPC
B60Q 1/00
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
QARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
1Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
B60Q 1/04
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
QARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
1Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
02the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
04the devices being headlights
Applicants Visteon Global Technologies, Inc.
Inventors Ansari Ajmal Imran
Sayers, III Edwin Mitchell
Agents Brinks Hofer Gilson & Lione
Title
(EN) System and method for heat dissipation from an automotive lighting assembly having a liquid cooling circuit
Abstract
(EN)

An automotive headlamp assembly having a closed-loop cooling circuit. The headlamp assembly includes a housing cooperating with a transparent lens cover to define a chamber. At least one light source is located within the chamber. The cooling circuit has at least one cold plate thermally coupled to the light source. A radiator is fluidly coupled to the cold plate by a plurality of tubes. The tubes are oriented at least partially upwardly and configured to circulate a fluid through the cooling circuit as a result of heating and cooling of the fluid therein.

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