EP 2350522 B1 20140709 - LED LIGHTING DEVICE, IN PARTICULAR FOR TUNNELS
Title (en)
LED LIGHTING DEVICE, IN PARTICULAR FOR TUNNELS
Title (de)
LED-BELEUCHTUNGSVORRICHTUNG, INSBESONDERE FÜR TUNNELS
Title (fr)
DISPOSITIF D ÉCLAIRAGE À LED, NOTAMMENT POUR TUNNELS
Publication
Application
Priority
- IB 2009007284 W 20091103
- IT BZ20080046 A 20081106
Abstract (en)
[origin: WO2010052538A1] What is described is an LED lighting device (light emitting diode), in particular for tunnels. According to the invention, the device comprises a base body (2) with cooling lamella (3) at least on one of the sides thereof, LEDs (5) that are fastened to one side of the base body (2) and that are fed from the outside from an electrical energy source through one or more power lines (8), optionally light reflectors (6) disposed on the LEDs (5), and a transparent cover (4), wherein the base body (2) and the cover (4) form a hermetically sealed chamber and wherein the hermetically sealed inner chamber is connected to at least one expansion vessel.
IPC 8 full level
F21V 29/00 (2006.01); F21S 4/00 (2006.01); F21V 31/00 (2006.01); F21W 131/101 (2006.01); F21Y 101/02 (2006.01)
CPC (source: EP US)
F21S 4/28 (2016.01 - EP); F21V 29/767 (2015.01 - EP US); F21V 31/03 (2013.01 - EP); F21V 31/005 (2013.01 - EP); F21V 31/04 (2013.01 - EP); F21W 2131/101 (2013.01 - EP); F21Y 2115/10 (2016.07 - EP US)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR
DOCDB simple family (publication)
WO 2010052538 A1 20100514; CN 102265087 A 20111130; CN 102265087 B 20150527; EP 2350522 A1 20110803; EP 2350522 B1 20140709; IT 1391544 B1 20120111; IT BZ20080046 A1 20100507
DOCDB simple family (application)
IB 2009007284 W 20091103; CN 200980152549 A 20091103; EP 09774924 A 20091103; IT BZ20080046 A 20081106