VEHICLE HEADLAMP

VEHICLE HEADLAMP

Vehicle headlamp provided with a metal halide lamp comprising a discharge vessel surrounded with clearance by an outer envelope and having a ceramic wall which encloses a discharge space containing xenon (Xe) and an ionizable filling, wherein in said discharge space two electrodes are arranged whose...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: JOSEPHUS HENDRICX, JELLE, H. SCHUURMANS, MARC, F., R. JANSSEN, JOHANNES, P., M. ANSEMS
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
BLASTING
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
ELECTRICITY
HEATING
INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO THEFORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THELIGHT EMITTED
LIGHTING
MECHANICAL ENGINEERING
WEAPONS
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Beschreibung
Zusammenfassung:Vehicle headlamp provided with a metal halide lamp comprising a discharge vessel surrounded with clearance by an outer envelope and having a ceramic wall which encloses a discharge space containing xenon (Xe) and an ionizable filling, wherein in said discharge space two electrodes are arranged whose tips have a mutual interspacing EA so as to define a discharge path between them, wherein the discharge vessel has an internal diameter Di at least over the distance EA, and wherein Di is smaller than or equal to 2 mm and the relation EA/Di is smaller than 6, with the special feature that said vehicle headlamp has not more than one band-shaped light-absorbing coating laterally of the discharge path.