Fan apparatus, method of manufacturing fan apparatus,...

Details Fan apparatus, method of manufacturing fan apparatus,... Fan apparatus, method of manufacturing fan apparatus,...

2006-11-21

2006-11-21

Perkey, W. B. (Department: 2851)

Optics: image projectors

Temperature control

Blower

C353S061000, C362S264000, C362S294000, C362S373000, C348S748000, C349S161000, C416S183000, C416S19800R, C416S22300B

Reexamination Certificate

active

07137706

ABSTRACT:
With a trend toward a higher intensity projection type liquid crystal display device to further increase brightness of a projection screen, rated input power of a light source lamp increases, which makes essential a fan apparatus for cooling the light source lamp, etc. Such a fan apparatus would require a light-shielding member which causes the number of parts to increase. The present invention provides a fan apparatus provided with a rotor section that can be rotated/driven around a predetermined rotation axis and a propeller section including propeller blades and attached to the rotor section arranged in such a way as to substantially shield light parallel to the rotation axis.

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