发明名称 SOUND ABSORBING STRUCTURE FOR VEHICLE ROOF SECTION
摘要 PROBLEM TO BE SOLVED: To provide a sound absorbing structure for a roof section capable of improving sound absorbing performance while preventing adhesion of dirt on a roof panel. SOLUTION: This invented sound absorbing structure is provided with a sound absorbing layer capable of absorbing sound energy, an air layer formed between the sound absorbing layer and the roof panel and a partition plate partitioning the air layer into a cell structure having an opening on a passenger compartment side. The sound absorbing layer is made of material or structure allowing circulation of air between the passenger compartment space and the air layer. COPYRIGHT: (C)2004,JPO
申请公布号 JP2004168172(A) 申请公布日期 2004.06.17
申请号 JP20020336159 申请日期 2002.11.20
申请人 TOYOTA MOTOR CORP 发明人 NISHIMURA YASUHIKO
分类号 B60R13/08;G10K11/16;G10K11/162;(IPC1-7):B60R13/08 主分类号 B60R13/08
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