Patent ID: 8282218

Claim:
A projector comprising: a light source device; an exhaust fan configured to take air in the vicinity of the light source device in and discharge the same; a power supply device configured to supply electric power to components of the projector; an outer casing configured to accommodate the light source device and the power supply device in the interior thereof and provided with an exhaust port formed thereon; and a first duct connected to the exhaust fan so as to guide the air discharged from the exhaust fan to the exhaust port, wherein: the exhaust fan is provided on a downstream side of a cooling air flow channel of the light source device and an upstream side of a cooling air flow channel of the first duct, the power supply device includes a second duct configured to guide the air in the interior of the power supply device toward the first duct, and an air incoming port configured to take the air discharged from the second duct into the first duct is formed with the first duct.