Hochleistungs-Fahrzeugscheinwerfer und Lampen mit Reflektors

An incandescent lamp assembly, such as an automobile headlight, includes a reflector defining a cavity having a reflecting surface, and an incandescent lamp capsule mounted within the reflector. The incandescent lamp capsule, typically a tungsten halogen incandescent lamp capsule, includes a light-t...

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Bibliographische Detailangaben
Hauptverfasser:	BOCKLEY, ERICH J, GAGNON, PETER R
Format:	Patent
Sprache:	ger
Schlagworte:	ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES BASIC ELECTRIC ELEMENTS BLASTING ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS ELECTRIC INCANDESCENT LAMPS ELECTRICITY FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF HEATING INSTRUMENTATION OR DASHBOARDS FOR VEHICLES LIGHTING MECHANICAL ENGINEERING NON-PORTABLE LIGHTING DEVICES PERFORMING OPERATIONS STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR SYSTEMS THEREOF TRANSPORTING VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	An incandescent lamp assembly, such as an automobile headlight, includes a reflector defining a cavity having a reflecting surface, and an incandescent lamp capsule mounted within the reflector. The incandescent lamp capsule, typically a tungsten halogen incandescent lamp capsule, includes a light-transmissive envelope, a filament sealed in the envelope and a fill material including an inert gas and a halogen additive. A specularly reflective coating is formed on a portion of the envelope for reflecting visible light and infrared radiation emitted by the filament and not directed to the reflecting surface of the reflector. The envelope is ellipsoidally shaped, at least in the portion having the reflective coating, so that the reflective coating reflects visible light and infrared radiation emitted by the filament back to the filament. The reflective coating limits glare and increases the operating efficiency of the headlight.