Light source device with cooling rib

Details Light source device with cooling rib Light source device with cooling rib

2006-07-13

2009-06-09

Ton, Toan (Department: 2889)

Electric lamp and discharge devices

With temperature modifier

Double wall, jacket or casing for envelope

C313S011000, C313S012000, C313S023000, C313S042000, C313S113000

Reexamination Certificate

active

07545087

ABSTRACT:
To devise a small light source device in which breaking of the bulb of the light source lamp can be suppressed and in which breaking of the bulb will not damage the window component, a light source lamp supported in a housing by only one of two hermetically sealed tubes at opposite ends of an arc tube, a cooling rib is mounted on a lead pin in the one of the sealed tubes that faces toward the window component and has a larger dimension in the radial direction than the maximum diameter of the opening edge of the light exit opening in the housing. The cooling rib serves to block bulb fragments and should it contact the peripheral edge area of the light exit opening with its edge that faces the window component, due to its size, neither the lead pin nor the cooling rib will contact the window component.

REFERENCES:
patent: 5903088 (1999-05-01), Sugitani et al.
patent: 2532712 (1997-01-01), None
patent: 2003-132845 (2003-05-01), None

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