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公开(公告)号:US20210018085A1
公开(公告)日:2021-01-21
申请号:US16929156
申请日:2020-07-15
发明人: Guodong TAN , Shinichi ITO , Yukihiko IDESHIO , Masashi IKEMURA , Takashi IIJIMA , Masamichi YAMAGUCHI , Keisuke TANAKA , Tetsuya YAMAGUCHI , Ryota YOSHIMOTO
IPC分类号: F16H57/027
摘要: A breather device that communicates an inside of a case with an outside of the case in a vertical direction includes a cylindrical body having a hollow portion that extends in the vertical direction, a stopper inserted in the hollow portion, and a blocking body that is located in a space defined by the stopper in the hollow portion, and blocks a communicating hole provided in a lower part of the cylindrical body as viewed in the vertical direction. The communicating hole ceases to be blocked when the pressure inside the case exceeds a first predetermined value, and the blocking body moves upward in the vertical direction in the space.
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公开(公告)号:US20190257266A1
公开(公告)日:2019-08-22
申请号:US16223640
申请日:2018-12-18
发明人: Isamu GOTO , Keisuke TANAKA
摘要: A heat shield film M1 is formed on entire are of the side surface 20b. A heat shield film M2 is formed entire area of the top surface 12a and the bottom surface 20c. The heat shield films M1 and M2 are mainly composed of porous alumina. The difference between the heat shield films M1 and M2 is in film thickness. The film thickness of the heat shield film M1 is from 20 to 60 μm and that of the heat shield film M2 is from 60 to 150 μm.
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公开(公告)号:US20200011237A1
公开(公告)日:2020-01-09
申请号:US16452786
申请日:2019-06-26
发明人: Naoki NISHIKAWA , Akio KAWAGUCHI , Hideo YAMASHITA , Keisuke TANAKA , Toshio HORIE , Yoshifumi WAKISAKA , Fumio SHIMIZU
摘要: The present embodiment relates to an internal combustion engine having an anodic oxide coating formed on at least a portion of an aluminum-based wall surface facing a combustion chamber. The anodic oxide coating has a plurality of nanopores extending substantially in the thickness direction of the anodic oxide coating, a first micropore extending from the surface toward the inside of the anodic oxide coating, and a second micropore present in the inside of the anodic oxide coating; the surface opening diameter of the nanopores is 0 nm or larger and smaller than 30 nm; the inside diameter of the nanopores is larger than the surface opening diameter; the film thickness of the anodic oxide coating is 15 μm or larger and 130 μm or smaller; and the porosity of the anodic oxide coating is 23% or more.
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