| 摘要 |
An image projection apparatus includes cooling fans 10, 12, and 16 provided inside a chassis 17 and configured to take in cooling air from a cooling inlet port 17a formed in the chassis, an air filter 22 that covers the cooling inlet port, an exhaust port 19a formed in the chassis and configured to exhaust the cooling air from an inside to an outside of the chassis, and a cleaning fan 25 provided inside the chassis and configured to take in cleaning air from a cleaning inlet port 17b formed in the chassis separately from the exhaust port. The image projection apparatus exhausts the cleaning air discharged from the cleaning fan, from the inside to the outside of the chassis via the cooling inlet port and the air filter.
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