| 摘要 |
PROBLEM TO BE SOLVED: To improve rigidity of a lower side part in an air intake duct in which an inside partition part is built in an upper side part.SOLUTION: Relating to an air intake duct 23 that builds an inside partition part 10 in which two or more channels that reach air intake ports 6a, 6b, 6c, 6d, 6e, 6f are block-formed in an upper side part of a duct main body 9 in which the air intake ports 6a, 6b, 6c, 6d, 6e, 6f that intake ambient air as an engine air intake are opened in an upper side; an inner skeleton 19 that extends to a bottom edge of the duct main body 9, and reinforces a lower side part of the duct main body 9 not to obstruct an air intake flow from the respective channels is integrally formed at a lower part of the inside partition part 10, and the inner skeleton 19 is encapsulated in a parison with the inside partition part 10, and is integrated by mold closing when blow molding the duct main body 9. |
