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  • Summary & Details

Formed Polyurethane Development for Light Engine Cover

軽量エンジンカバー向け発泡ウレタン材開発

Detailed Information

Author(J)1) 篠田 敦裕, 2) 太田 智仁, 3) 古川 里美, 4) 神野 仁, 5) 富山 幸治, 6) 大脇 潤己, 7) 金田 雅仁, 8) 鈴木 康雄
Author(E)1) Atsuhiro Shinoda, 2) Tomohito Ota, 3) Satomi Furukawa, 4) Hitoshi Jinno, 5) Koji Tomiyama, 6) Junki Owaki, 7) Masahito Kanada, 8) Yasuo Suzuki
Affiliation(J)1) 日産自動車, 2) 日産自動車, 3) 日産自動車, 4) 日産オートモーティブテクノロジー, 5) 住友理工, 6) 住友理工, 7) 東海化成工業, 8) 東海化成工業
Affiliation(E)1) Nissan Motor, 2) Nissan Motor, 3) Nissan Motor, 4) Nissan Automotive Technology, 5) Sumitomo Riko, 6) Sumitomo Riko, 7) Tokai Chemical Industries, 8) Tokai Chemical Industries
Abstract(J)近年,車外騒音規制強化によりエンジンルームからの騒音低減化が求められる一方,車両走行時のCO2削減の為,各部品への軽量化要求が一段と高くなってきている.今回,ウレタンの発泡構造最適化により,必要な吸音性能を確保しながら,既存材料よりも約10%軽量なエンジンカバー用発泡ウレタン材を開発した.

Translation

Abstract(E)Recently, both of noise reduction performance improvement and weigh reduction are required on under hood parts, in order to meet pass-by noise and CO2 reduction requirement. In line with above background, lighter formed polyurethane which can keep necessary acoustic absorption performance is developed for engine cover, via formed cell structure optimization

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