Patent ID: 8511833

Claim:
An image projection apparatus comprising: a lamp having a reflector and a light emitting tube arranged inside of the reflector, wherein an air duct of the image projection apparatus is configured to lead cooling air from a cooling fan to the inside of the reflector; an exhaust duct having a first inlet port, an interior configured to receive heated air that has passed over the lamp, an exhaust port leading to outside of a housing of the image projection apparatus; and a first wall that divides the interior of exhaust duct into a first area and a second area that is separate from the first area, wherein the cooling air is passed through an inside of the reflector to form first air, air drawn from a second inlet port is passed over an area that faces an outer surface of the reflector to form second air, and air drawn from the first inlet port constitutes third air, wherein the first air and the third air are blended in the first area to form first blended air, and wherein the first wall guides the first blended air and the second air into the second area to be blended before being sent through the exhaust port to outside of the housing, and wherein the first inlet port is provided in a duct of the first air after the lamp.