Invention Grant
- Patent Title: Cooling device and image projection apparatus having the same
- Patent Title (中): 冷却装置和具有该冷却装置的图像投影装置
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Application No.: US12117822Application Date: 2008-05-09
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Publication No.: US08132923B2Publication Date: 2012-03-13
- Inventor: Ryuji Suzuki
- Applicant: Ryuji Suzuki
- Applicant Address: JP Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Canon USA Inc. IP Division
- Priority: JP2007-130311 20070516
- Main IPC: G03B21/26
- IPC: G03B21/26

Abstract:
A cooling device which prevents ambient persons from being exposed to an unpleasant feeling as much as possible by properly controlling an exhausting direction of the air which is used for cooling and exhausted from a chassis and an image projection apparatus having the cooling device are obtained. The cooing device cools first and second members to be cooled provided in the chassis, has first and second exhaust fans for guiding winds which have cooled the respective first and second members to an outside of the chassis, and is characterized in that the first and second exhaust fans are arranged so as to face the same surface of the chassis and the winds exhausted from the first and second exhaust fans are mixed.
Public/Granted literature
- US20080284985A1 COOLING DEVICE AND IMAGE PROJECTION APPARATUS HAVING THE SAME Public/Granted day:2008-11-20
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