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公开(公告)号：US3774710A
公开(公告)日：1973-11-27
申请号：US3774710D
申请日：1971-06-11
Applicant: SAAB SCANIA AB
Inventor： GUSTAVSSON B
CPC classification number: B60R13/08 , B60R13/0838 , B60R13/0884
Abstract: A soundproofing installation system for vehicle power units, particularly in buses with rearmounted power units, where the engine is located in a closed chamber, the chamber being in the form of a double-wall box and comprising an integral part of the vehicle structure. At least some of the confining walls of the chamber are provided with soundproofing material, and the chamber accomodates power transmission means connected to the engine, and is provided with sealed lead-throughs for systems located externally of the chamber and connected to or forming part of the power unit. The radiator system is divided into two systems, each with a separately driven fan, and is located outside the chamber.
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