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US 7,922,335 B2Granted
Projector
AssigneeSeiko Epson Corporation
InventorsYohei Sakai, Akira Hashimoto, Fumihide Sasaki
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Abstract
A projector includes: a light source lamp; and a cooling device that cools the light source lamp and includes a plurality of cooling fans to deliver air toward the light source lamp. Airflow directions in which the plurality of cooling fans deliver the air toward the light source lamp are different from each other.
Claims5
A projector, comprising:
- a light source lamp;
- and
- a cooling device that cools the light source lamp and includes two cooling fans to deliver air toward the light source lamp, wherein
- airflow directions in which the two cooling fans deliver the air toward the light source lamp are different from each other;
- the airflow directions are orthogonal to an optical axis of a light beam irradiated from the light source lamp and are opposed to each other when seen in a direction of the optical axis, and
- the airflow directions are displaced from each other in a direction orthogonal to the airflow directions.
3 more elements
Dependencies are inferred from the claim text.