Patent ID: 7725048
Filing Date: 2010-05-25
Classification: G03G

Abstract:
1. An image forming apparatus, comprising: a housing; a member to be cooled provided inside the housing, wherein in the member to be cooled heat builds up; an airflow producing portion provided in a predetermined position of the housing for taking in air outside the housing; an air guide member for passing the air thus taken in through a hollow cross-section part, and guiding the air to the member to be cooled to cool the member to be cooled; an air inlet portion provided at one end of the air guide member for taking in the air from the airflow producing portion; and an air blowoff portion provided at another end of the air guide member for sending the air to the member to be cooled, wherein in the air blowoff portion a cross-sectional area of the hollow cross-section part is smaller than a cross-sectional area of the hollow cross-section part in the air inlet portion, and wherein a cross-sectional shape of the hollow cross-section part in the air blowoff portion is elliptical.