To provide soundproof structure that has a small number of parts, and is compact and low-cost by utilizing ribs provided to be protruded on an inner face of a case of a power source or a power transmission device. In the soundproof structure, the ribs (35) protruded on the inner face of the case (30) of a power source or a power transmission device are protruded to form a single or a plurality of tubular bodies, and a lid member (36) covers an opening facing an inside of the case (30) of the single or plurality of tubular bodies formed by the ribs (35) to form a single or a plurality of tubular body inside spaces (37). Also, the single or plurality of tubular body inside spaces (37), and an internal space of the case (30) communicate with each other through a hole or holes (36a) bored in the lid member (36).
Soundproof Structure
Schalldichte Struktur
Structure insonorisée
2017-05-24
Patent
Electronic Resource
English
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