| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an outer case which is easily manufactured, can be downsized, and can suppress noise leaking from a connection section of an outer plate. <P>SOLUTION: In the outer case in which a plurality of outer plates 11 and 12 are connected and a noise generation source is housed, a passing section S1 which is a gap through which air flows is formed by overlapping main faces of the plurality of outer plates 11 and 12 so as to face each other, and thickness of parts of the overlapped outer plate 11 and 12 in the middle of the passing section S1 is made thin, and an inner space 20 larger than the gap is formed. <P>COPYRIGHT: (C)2007,JPO&INPIT |
