Osram Gesellschaft MIT Beschraenkter Haftung

Patent Treuhand Gesellschaft Fur Elektrische Gluhlampen Mbh

Osram Gesellschaft MIT Beschrankter Haftung

Patent-trewhand-gesellschaft Für Elektrische Glühlampen Mbh

Markus Herb

Uwe Fidler

Joachim Arndt

Jürgen Gräf

Anton Schlögl

Jürgen Waldmann

Matthias Lenz

Bernhard Zöllner

The light unit comprises a light source and a reflector. The light source is surrounded by an exterior pipe. Spring clips with a centering effect for the exterior bulb of the light source are anchored at the open end of the exterior pipe.

Light unit

The invention relates to a light unit, comprising a concave reflector () with an outlet opening and an axis, whereby the reflector encloses a light source running in the direction of the axis. The light source is enclosed at a separation from an open-ended cylindrical protective tube (), with a glare shield (), provided at the open end of the protective tube. The glare shield () is a sheet, cupped over the burst-protection tube, whereby the glare shield comprises a semi-circular end piece with a given maximum diameter, on which a straight cylindrical section of greater diameter is mounted which itself is further provided with an offset screen ().

Light unit provided with reflector

A light bulb () with a base and inner vessel sealed in a vacuum-tight manner and surrounded by an enveloping part is provided with an adapter () at the end thereof made from ceramic polymer and fixed in a base insulator (). The base insulator and the enveloping part are fastened to each other. The base insulator may be provided in pieces which fasten together and hold the adapter. The adapter allows cementless fastening of the inner bulb. The base insulator and the adapter part have matching indexing and mating indexing means for holding the base insulator and the adapter part in position relative to each other. Multiple mating indexing means on the base insulator allow the adapter to assume secure position at multiple heights relative to the base insulator.

Uncemented socketed lamp

A holding device for fixing a lamp bulb comprises at least one clip element, the clip element, referred to as the main clip, having a peripheral flange as a supporting surface, which is adjoined at its inner rim by a peripheral side wall with a given height H, which is preferably cylindrically shaped, its free end forming a closing-off cover, the cover having a clearance which is adapted to the portion of the lamp bulb that is to be fixed.

Holding device for fixing a lamp bulb and associated lamp

Electric light bulb

Electric lamp with a base at one end, having an inner vessel surrounded by an outer jacket, a base with electric connections supporting the inner vessel and the outer jacket, having the following features:

Lamp with single-sided socket

An electric lamp having a base at one end, a lamp bulb sealed in a vacuum-tight manner, the lamp bulb being surrounded by an envelope part, a base having electrical connections bearing on one side the outer bulb and on the other side the envelope part, having the following features:

High pressure electric lamp having a base at one end

High-pressure lamp with a base, having an inner vessel sealed in a vacuum-tight manner, and surrounded by a sleeve part, a base having electrical terminals bearing, on one side, the inner vessel and, on the other side, the sleeve part, the reflector being of rotationally symmetrical design, and having a contour divided into at least two zonal layers, whose axial height is dimensioned such that each zone captures at least 35% of the light intensity emerging from the center of the inner vessel, and a first zone reflecting back at least 90% of the light incident on it at positive angles in relation to the lamp axis, and a second zone reflecting back at least 90% of the light incident on it at negative angles in relation to the lamp axis, and the inner vessel containing a metal halide filling, and the lamp having a specified average color temperature.

Growing community of inventors

Gunzburg, Germany

Markus Herb