To further improve noise reduction effect inside a fender to improve quietness inside a cabin while improving impact absorption property at collision with an obstacle.SOLUTION: A fender soundproof material includes: a plurality of holes 11d opened in an inverse direction to a travel direction of a vehicle and communicated to a cavity part; and a deformation induction part 11e for inducing deformation of an outer wall part 11 when being subjected to an impact that is added from the outside with respect to a fender soundproof material 10, in the outer wall part 11 of the fender soundproof material 10.SELECTED DRAWING: Figure 2
【課題】障害物との衝突時の衝撃吸収性を良好にしながら、フェンダ内の騒音低減効果をより一層高めて車室内の静粛性を向上させる。【解決手段】フェンダ防音材10の外壁部11には、自動車の進行方向とは逆向きに開口して空洞部に連通する複数の孔11dと、フェンダ防音材10に対して外部から加わった衝撃により外壁部11の変形を誘起する変形誘起部11eとが設けられている。【選択図】図2
FENDER SOUNDPROOF MATERIAL AND FENDER SOUNDPROOF STRUCTURE
フェンダ防音材及びフェンダ防音構造
2019-10-31
Patent
Electronic Resource
Japanese
European Patent Office | 2022
|SOUNDPROOF MATERIAL AND SOUNDPROOF MATERIAL PRODUCTION METHOD
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|SOUNDPROOF MATERIAL AND SOUNDPROOF MATERIAL PRODUCTION METHOD
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