Patent ID: 6483232
Filing Date: 2002-11-19
Classification: H01J,H01K,Y02B

Abstract:
An aviation landing lamp having resistance to vibration comprising:a) a lens bonded to a gas tight enclosure containing a protective gas; b) the gas tight enclosure surrounded by a substantially parabolically-shaped reflector housing having a high gloss reflective coating on an inner surface; c) a bulb mounted on a pair of support posts, the posts passing through bores in the reflector housing and in turn each post mounted on a ferrule attached to an outer surface of the reflector housing; d) an exterior enclosure of the bulb surrounding a gas tight envelope containing a halogen gas and a coiled tungsten filament having a first and second end mounted within the envelope, the filament capable of emitting at least 250 watts, tungsten wire connecting the tungsten filament to a metal foil at both the first and second end of the tungsten filament, a protruding lead wire connected to each foil, the lead wires directed axially away from the tungsten filament; e) the bulb gas tight envelope integral with a tulip shaped end portion at a first and second end of the bulb with a metal end cap enclosing each tulip shaped end portion; and f) a bore in each end cap for axially receiving the protruding lead wire for soldering to a first end of an electrical conductor, a second end of the electrical conductor soldered to the support post.