High-pressure discharge lamp

Details High-pressure discharge lamp High-pressure discharge lamp

2007-01-16

2007-01-16

Santiago, Mariceli (Department: 2879)

Electric lamp and discharge devices

With support and/or spacing structure for electrode and/or...

Electrode supported by envelope

Reexamination Certificate

active

10824346

ABSTRACT:
A high-pressure discharge lamp having a support structure for supporting a light emission tube so as to restrict its displacement in a direction perpendicular to the axis line thereof. A pair of thermal-stress generation members generates thermal stresses due to a temperature change at a time of switching the high-pressure discharge lamp from an on status to an off status. The thermal stresses acts as forces directed downward in a vertical direction and outward with respect to the light emission tube on side tube portions of the light emission tube arranged in a posture where the axis line extends in a horizontal direction.

REFERENCES:
patent: 4401913 (1983-08-01), Koza et al.
patent: 6326721 (2001-12-01), Shippee et al.
patent: 2002/0185974 (2002-12-01), Nakano et al.
patent: 60-225159 (1985-11-01), None
patent: 2-301957 (1990-12-01), None

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