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公开(公告)号：US11891699B2
公开(公告)日：2024-02-06
申请号：US17257937
申请日：2018-07-06
发明人： Masahito Fujikawa , Hidenobu Matsuyama , Eiji Shiotani , Yoshitsugu Noshi , Hirohisa Shibayama , Koukichi Kamada , Naoki Okamoto , Junichi Hamasaki
摘要： The nozzle for cold spray (25) used in a cold spray apparatus (2) is configured to include a tubular nozzle main body (252) and a cooling jacket (253) that surrounds the nozzle main body (252) to form a flow path (25e) for refrigerant (R) between the nozzle main body (252) and the cooling jacket (253). The cooling jacket (253) is provided with a seal retaining portion (253c) that retains an O-ring (253b) for the flow path (25e). The seal retaining portion (253c) and the nozzle main body (252) are joined in a socket-and-spigot joint fashion.
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公开(公告)号：US11535942B2
公开(公告)日：2022-12-27
申请号：US17276630
申请日：2018-09-18
发明人： Hirohisa Shibayama , Hidenobu Matsuyama , Eiji Shiotani , Yoshitsugu Noshi , Koukichi Kamada , Naoki Okamoto , Masahito Fujikawa , Junichi Hamasaki , Masatoshi Inoguchi
摘要： When forming valve seat coats at opening portions (16a1 to 16a8) of intake ports (16) provided at a cylinder block mounting surface (12a) of a semimanufactured cylinder head (3), the nozzle of a cold spray apparatus moves along a nozzle movement path for air intake (Inp1) that is set between any two of the plurality of opening portions (16a1 to 16a8), while continuing to spray a raw material powder. When forming valve seat coats at opening portions (17a1 to 17a8) of exhaust ports (17), the nozzle moves along a nozzle movement path for air exhaust (Enp1) that is set between any two of the plurality of opening portions (17a1 to 17a8), while continuing to spray the raw material powder.
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