Halogen incandescent lamp for a vehicle headlight
AssigneeOSRAM GmbH
InventorsGerhard Behr, Peter Helbig, Christian Seichter
Life of this patent
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Abstract
An incandescent halogen lamp for vehicle headlights may include a lamp base which defines a reference plane for orienting the incandescent halogen lamp in the vehicle headlight and includes a holder part having a substantially rotationally symmetrical external contour for holding a translucent lamp vessel, with the holder part having a first holder-part section connected to a component of the lamp base and a second holder-part section from which the translucent lamp vessel projects, wherein the second holder-part section has a smaller external diameter than the first holder-part section and wherein the height of the lamp base above the reference plane is in the 11.5-to-16.6-mm range.
Claims8
An incandescent halogen lamp for vehicle headlights, the incandescent halogen lamp comprising:
- a lamp base which defines a reference plane for orienting the incandescent halogen lamp in the vehicle headlight and includes a holder part having a substantially rotationally symmetrical external contour for holding a translucent lamp vessel, with the holder part having a first holder-part section connected to a component of the lamp base and a second holder-part section from which the translucent lamp vessel projects,
- wherein the second holder-part section has a smaller external diameter than the first holder-part section,
- wherein the height of the lamp base above the reference plane is in the 11.5-to-16.6 mm range,
- wherein said translucent lamp vessel has a cylindrical lamp-vessel section that surrounds at least one filament and is closed at one end by a lamp vessel seal out of which electrical supply leads for the at least one filament are led and at the other end by a lamp-vessel dome, and
- wherein a length of said cylindrical lamp-vessel is less than or equal to 18 mm.
Dependencies are inferred from the claim text.