专利名称：Valve actuating mechanism for internal
combustion engine
发明人：Masaaki Yoshikawa申请号：US06/721576申请日：19850410公开号：US04615309A公开日：19861007
摘要：Several embodiments of valve actuating mechanisms for internal combustionengines that facilitate the use of more intake and/or exhaust valves than the other typeof valve. This is accomplished by embodying lifters or tappets that have a smallerdiameter for the valves having the greater number.
申请人：YAMAHA HATSUDOKI KABUSHIKI KAISHA
代理人：Ernest A. Beutler
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