Patent ID: 7645187
Filing Date: 2010-01-12
Classification: B60H

Abstract:
1. An air-conditioning duct provided inside an automobile interior part that has an ornamental portion, the duct having an air passage for conducting conditioned air from an air conditioner to a passenger compartment, the duct comprising: a plurality of wall portions defining the air passage, one of the wall portions being a first wall portion that is formed by the ornamental portion, each wall portion having an inner surface exposed to the interior of the air passage, wherein a pair of boundary lines are defined on the inner surface of the first wall portion at boundaries between the first wall portion and two of the other wall portions that are connected to the first wall portion; and a dew condensation suppression portion provided on the inner surface of the first wall portion between the pair of the boundary lines, a space being defined between the dew condensation suppression portion and at least one of the boundary lines, wherein the space is continuous along the thickness of the dew condensation suppression portion and is located outside of the dew condensation suppression portion, wherein, when the thickness of the dew condensation suppression portion is expressed by T (mm), and the width of the space is expressed by d (mm), the thickness T and the width d satisfy the following expression (1), wherein the thickness of the dew condensation suppression portion is greater than or equal to 3 mm and less than 10 mm.