System and method for forced cooling of lamp

Details System and method for forced cooling of lamp System and method for forced cooling of lamp

2011-03-08

2011-03-08

Shea, Sandra L O (Department: 2875)

Illumination

Light source and modifier

Adjustable or repositionable modifier

C362S264000, C362S286000, C362S373000, C362S294000, C313S011000, C313S012000, C313S022000

Reexamination Certificate

active

07901110

ABSTRACT:
A gas discharge lamp includes an arc envelope and a cooling device. Cooling passage is provided between the arc envelope and the cooling device. An airflow blocking structure is mounted rotatably to the arc envelope. The airflow blocking structure blocks airflow between the cooling device and the arc envelope except for a portion of the passage directed towards a top side of the arc envelope.

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