PISTON AND METHOD OF MANUFACTURING THEREOF
    2.
    发明申请

    公开(公告)号:US20190107076A1

    公开(公告)日:2019-04-11

    申请号:US15824504

    申请日:2017-11-28

    Abstract: A piston and process for manufacturing a piston includes an upper part providing an upper combustion surface including a top land, a land ring and a combustion bowl. An undercrown surface is formed under the combustion bowl. A lower part including pin bosses and a piston skirt are formed under the undercrown surface. At least one of the upper part and the lower part are formed with metal injection molding.

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