Optical radiation source

Details Optical radiation source Optical radiation source

1987-12-21

1989-10-31

DeMeo, Palmer C.

Electric lamp and discharge devices

With temperature modifier

Double wall, jacket or casing for envelope

313 25, 313 36, 313111, 313634, 313638, 313643, H01J 6134, H01J 6152

Patent

active

048779911

ABSTRACT:
An improved optical radiation source for use in illumination that is obtained from a thinwall tubular arc lamp with a high input power density that delivers high brightness. It includes a constricting enclosure that exerts a compressive force upon the insulating tube forming the envelope of said lamp to counteract tensile strain in the tube caused by higher gas pressure within the tube and a higher thermal gradient within the walls of said tube.

REFERENCES:
patent: 2054846 (1936-09-01), Zillger
patent: 2135480 (1938-11-01), Birdseye
patent: 2154542 (1939-04-01), Swanson
patent: 2241968 (1941-05-01), Suits
patent: 2467687 (1949-04-01), Noel
patent: 2977492 (1961-03-01), Hoekstra
patent: 3337763 (1967-08-01), Aronson et al.
patent: 3993922 (1976-11-01), Cosco et al.
patent: 4054812 (1977-10-01), Lessner et al.
patent: 4506369 (1985-03-01), Houston

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