公开(公告)号：EP1229167B1

公开(公告)日：2005-02-02

申请号：EP01128191.2

申请日：2001-11-27

申请人： National Traffic Safety and Environment Laboratory ,  Ogata, Seigo, National Traffic Safety and Environment Laboratory ,  Mitsubishi Heavy Industries, Ltd.

发明人： Ogata, Seigo, National Traffic Safety & Environ. ,  Hasezaki, Kazuhiro, Nagasaki Research & Dev. Cent. ,  Motomura, Hikaru, Nagasaki Research & Dev. Center ,  Shibata, Seizou Nagasaki Shipyard & Machinery work ,  Kawami, Masayuki, Nagasaki Shipyard & Machin. Work ,  Seki, Shiro, Nagasaki Shipyard & Machinery Work

IPC分类号： E01B19/00

CPC分类号： E01B19/003 ,  E01B2/00

公开(公告)号：EP1229167A2

公开(公告)日：2002-08-07

申请号：EP01128191.2

申请日：2001-11-27

申请人： National Traffic Safety and Environment Laboratory ,  Ogata, Seigo, National Traffic Safety and Environment Laboratory ,  Mitsubishi Heavy Industries, Ltd.

发明人： Ogata, Seigo, National Traffic Safety & Environ. ,  Hasezaki, Kazuhiro, Nagasaki Research & Dev. Cent. ,  Motomura, Hikaru, Nagasaki Research & Dev. Center ,  Shibata, Seizou, Nagasaki Shipyard & Machine. Work ,  Kawami, Masayuki, Nagasaki Shipyard & Machin. Work ,  Seki, Shiro, Nagasaki Shipyard & Machinery Work

IPC分类号： E01B19/00 ,  E01B1/00

CPC分类号： E01B19/003 ,  E01B2/00

摘要： The sound absorbing construction for track which reduces a noise generated from a portion under the floor of a vehicle, of noises generated from a track, is characterized in that a thin sound absorbing plate (1) with a high impact strength is provided on a track close to the sound source or near a track.

摘要翻译： 用于减少由轨道产生的噪声从车辆地板下面的部分产生的噪声的轨道的吸音结构的特征在于，在轨道上提供具有高冲击强度的薄吸声板（1） 靠近声源或靠近轨道。