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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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公开(公告)号:US20160130716A1
公开(公告)日:2016-05-12
申请号:US14933599
申请日:2015-11-05
发明人: Naoki NISHIKAWA , Masaaki TANI , Hiroshi HOHJO
CPC分类号: C25D11/18 , C25D11/04 , C25D11/246
摘要: A forming method of a thermal insulation film, including: a first step of forming an anode oxidation coating film on an aluminum-based wall surface, the anode oxidation coating film including micro-pores each having a diameter of micrometer-scale and nano-pores each having a diameter of nanometer-scale; a second step of abrading a surface of the anode oxidation coating film with abrasive powders and bringing the abrasive powders into the micro-pores located at the formed abraded surface; and a third step of forming a protection film on the abraded surface to produce a thermal insulation film including the anode oxidation coating film and the protection film.
摘要翻译: 一种绝热膜的形成方法,包括:在铝基壁表面上形成阳极氧化涂膜的第一步骤,包含微米级直径和纳米孔的微孔的阳极氧化涂膜 每个具有纳米级的直径; 用研磨粉末研磨阳极氧化涂膜的表面并将研磨粉末进入位于形成的磨损表面的微孔中的第二步骤; 以及在磨损表面上形成保护膜以产生包括阳极氧化涂膜和保护膜的绝热膜的第三步骤。
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公开(公告)号:US20160177818A1
公开(公告)日:2016-06-23
申请号:US14910320
申请日:2014-07-30
发明人: Naoki NISHIKAWA , Hiroshi MAKINO , Reona TAKAGISHI , Akio KAWAGUCHI , Yoshifumi WAKISAKA , Fumio SHIMIZU , Toshio HORIE
CPC分类号: F02B77/11 , C22C21/02 , C22C21/06 , C25D11/04 , C25D11/18 , C25D11/246 , F02F1/24 , F02F3/12 , F05C2203/0869
摘要: In an internal combustion engine in which an anodic oxide film (10) is formed on part or all of a wall surface facing a combustion chamber, the anodic oxide film (10) has a thickness of 30 μm to 170 μm, the anodic oxide film (10) has first micropores (1a) having a micro-size diameter, nanopores having a nano-size diameter and second micropores (1b) having a micro-size diameter, the first micropores (1a) and the nanopores extending from a surface of the anodic oxide film (10) toward an inside of the anodic oxide film (10) in a thickness direction of the anodic oxide film (10) or substantially the thickness direction, the second micropores (1b) being provided inside the anodic oxide film (10), at least part of the first micropores (1a) and the nanopores are sealed with a seal (2) converted from a sealant (2), and at least part of the second micropores (1b) are not sealed.
摘要翻译: 在面向燃烧室的壁面的一部分或全部形成有阳极氧化膜(10)的内燃机中,阳极氧化膜(10)的厚度为30μm〜170μm,阳极氧化膜 (10)具有微尺寸直径的第一微孔(1a),具有纳米尺寸直径的纳米孔和具有微尺寸直径的第二微孔(1b),第一微孔(1a)和从第 所述阳极氧化膜(10)在所述阳极氧化膜(10)的厚度方向朝向所述阳极氧化膜(10)的内部或大致厚度方向,所述第二微孔(1b)设置在所述阳极氧化膜( 10)中,至少部分第一微孔(1a)和纳米孔用密封剂(2)转换的密封件(2)密封,至少部分第二微孔(1b)不被密封。
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公开(公告)号:US20220241843A1
公开(公告)日:2022-08-04
申请号:US17646199
申请日:2021-12-28
发明人: Keisuke UCHIDA , Yuya SEGAWA , Satoshi YAMADA , Tomoharu HARADA , Naoki NISHIKAWA , Hidekatsu ONODERA
摘要: A joining device comprises a die and driving means. A first concave portion is recessed in a substantially cylindrical shape in a driving direction on the die, and a second concave portion is recessed in the driving direction in a central portion on a bottom face of the first concave portion. A portion on an external side of the second concave portion on the bottom face of the first concave portion forms a terrace portion that is shallower than the second concave portion, and a diameter of the foot portion of the self-piercing rivet corresponds to a diameter of the terrace portion. In driving the foot portion of the self-piercing rivet toward the terrace portion of the first concave portion, the foot portion of the self-piercing rivet is spread outward by the terrace portion and a part of the members to be joined runs into the second concave portion.
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公开(公告)号:US20200370195A1
公开(公告)日:2020-11-26
申请号:US16801736
申请日:2020-02-26
发明人: Toshio HORIE , Fumio SHIMIZU , Kenji FUKUI , Naoki NISHIKAWA
摘要: [Technical Problem] An object is to provide a heat insulation coat having a novel form/structure different from conventional ones.[Solution to Problem] The present invention provides a heat insulation coat having a spongy body that is composed of non-linear pores and a skeleton incorporating the pores. The skeleton is an amorphous body comprising Al, Si, 0, and impurities and has an amorphous peak specified by X-ray diffraction analysis at a position of 3.5 Å or more as the lattice spacing. The heat insulation coat has an apparent density of 1 g/cm3 or less, a volumetric specific heat of 1,000 kJ/m3·K or less, and a thermal conductivity of 2 W/m·K or less. The spongy body is obtained through forming a base layer, such as by thermal-spraying an aluminum alloy that contains a large amount of Si, and performing an anodizing process by AC/DC superimposition energization on the base layer. The amount of Si in the base layer may be, for example, 16 to 48 mass % with respect to the alloy as a whole. The heat insulation coat of the present invention is excellent in the swing characteristics and may be provided on the inner wall surface of a combustion chamber of an internal combustion engine.
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公开(公告)号:US20160186654A1
公开(公告)日:2016-06-30
申请号:US14974291
申请日:2015-12-18
发明人: Reona TAKAGISHI , Naoki NISHIKAWA , Masaaki TANI , Toshio HORIE , Fumio SHIMIZU , Hiroshi HOHJO , Yoshifumi WAKISAKA , Masakazu MURASE
CPC分类号: F02B77/02 , C23C18/1212 , C23C18/122 , C23C18/1245 , C25D11/246 , F01L3/04
摘要: A forming method of a thermal insulation film includes a first step of forming an anode oxidation coating film on an aluminum-based wall surface, the anode oxidation coating film including micro-pores each having a diameter of micrometer-scale and nano-pores each having a diameter of nanometer-scale; and a second step of coating a surface of the anode oxidation coating film with a sealant containing filler to seal at least part of the micro-pores and the nano-pores by the sealant so as to form the thermal insulation film.
摘要翻译: 绝热膜的形成方法包括在铝基壁表面上形成阳极氧化涂膜的第一步骤,包括具有微米级直径的微孔的阳极氧化涂膜和具有 直径为纳米级; 以及第二步骤,用含有填料的密封剂涂覆阳极氧化涂膜的表面,以通过密封剂密封至少部分微孔和纳米孔,以形成绝热膜。
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