| 摘要 |
PURPOSE:To decrease proper vibration of an exhaust pipe and improve its vibro- isolating quality, by providing a mass part almost in the central part of a bellows-shaped flexible tube in the half way of an engine exhaust pipe. CONSTITUTION:Exhaust from an engine flows to pass through from a pipe 1 to pipe 2. A bellows-shaped flexible tube 11' is provided between the both tubes 1, 2, and a mass part 12, having different mass from the flexible tube 11', is provided in almost the central part of said flexible tube 11'. |
