Intake structure

Details Intake structure Intake structure

2006-12-05

2006-12-05

Perkey, W. B. (Department: 2851)

Optics: image projectors

Temperature control

Blower

C353S057000, C353S060000

Reexamination Certificate

active

07144118

ABSTRACT:
An intake structure, installed in a projection apparatus having heating elements, includes an intake port on the casing, air duct and an exhaust fan near the heating elements. The inlet of the air duct is connected to the intake port, and the outlet is disposed at a side of the heating elements. The air stream from the intake port is directed though the air duct for concentrating the air stream to the heating elements inside of the projection apparatus. Thus, it can be provided the maximum cooling effect and enhanced cooling efficiency for heating elements.

REFERENCES:
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patent: 6334686 (2002-01-01), Shiraishi et al.
patent: 6345896 (2002-02-01), Kurosawa
patent: 2002/0163627 (2002-11-01), Ohishi et al.
patent: 2002/0180938 (2002-12-01), Bok
patent: 2003/0189694 (2003-10-01), Yamada et al.
patent: 468801 (2001-12-01), None

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