Honda Motor Co., Ltd.

Tomohiko Nozaki

Hiroshi Sakai

Kazuya Ishiki

Yuta Urushibara

Kuniaki Nakajima

Tetsuya Hiraide

A sound reducing device () for an internal combustion engine () comprises a chamber forming member () defining a sound reducing chamber () having a prescribed column length jointly with a belt cover, and the sound reducing chamber communicates with the belt chamber via an opening (), and the opening opposes a part of a timing belt passed around the cam pulley.

Sound reducing device for internal combustion engine

A sound insulation structure includes a sound insulation cover (-) provided on a noise radiating member () of the vehicle, the sound insulation cover being provided with a mounting opening (), a spacer () received in the mounting opening of the sound insulation cover and provided with a central through hole (A), and a fastening member () having a shank passed through the central through hole of the spacer and configured to fasten the sound insulation cover to the noise radiating member via the spacer. The spacer prevents the axial pressure of the fastening member from being applied to the sound insulation cover.

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Wako, Japan

Tomohiko Nozaki