AIR DUCT
    49.
    发明公开
    AIR DUCT 审中-公开

    公开(公告)号:EP3590750A1

    公开(公告)日:2020-01-08

    申请号:EP19183823.4

    申请日:2019-07-02

    申请人: Inoac Corporation

    发明人: Hosaka, Koichi

    摘要: A duct 20 includes: wall portions 24, each of which defines a corresponding one face of an air flow path 22 leading air from an air inlet 20a to an air outlet 20b; and groove portions 26, which are provided on at least two of the wall portions 24, 24, respectively, and extend so as to cross an air flow direction of the air flow path 22, and the groove portions 26 are independent from each other for every wall portion 24, and have a concave shape so as to thin the wall portions 24.