| 摘要 |
PROBLEM TO BE SOLVED: To provide an intake duct which causes less burr loss, reduce noises and pressure loss compared to a conventional products. SOLUTION: A duct main body 1 has a throttled form. A hollow box-like resonator 2 is arranged so as to compensate a recessed space 5 on an outer side of the throttled portion of the duct main body 1. A communication part communicates a hollow portion 21 of the resonator 2 with an air passage O of the duct main body 1. The duct main body 1, resonator 2, and communication part 3 are integrally formed by blow molding.
|
