Vibration isolation structure for internal combustion engine exhaust systems
The exhaust system vibration isolation structure with a mesh spring and additional mass body on the exhaust pipe reduces resonance-induced vibrations and load on the connection between the supercharger and exhaust pipe, enhancing stability in marine internal combustion engines.
JP2026101006APending Publication Date: 2026-06-22DAIHATSU INFINEARTH MFG CO LTD
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- DAIHATSU INFINEARTH MFG CO LTD
- Filing Date
- 2024-12-10
- Publication Date
- 2026-06-22
Smart Images
Figure 2026101006000001_ABST
Abstract
This reduces the load on the connection point between the supercharger and the exhaust pipe, and also suppresses the increased vibration of the exhaust pipe caused by resonance with the vibrations of the internal combustion engine. [Solution] The vibration isolation structure for the exhaust system of an internal combustion engine comprises an internal combustion engine body 2, a supercharger 10 attached to the internal combustion engine body 2, an exhaust pipe 20 connected to the supercharger 10, and a support bracket 40 that supports the exhaust pipe 20 relative to the internal combustion engine body 2. The exhaust pipe 20 extends from the supercharger 10 upward from the supercharger 10, an additional mass body 30 is provided on the exhaust pipe 20, and a mesh spring 50 is provided on the support bracket 40.
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