发明名称 Oil system drain for personal watercraft
摘要 A drain arrangement is provided for a lubricating system of an engine powering a watercraft. The engine is mounted to a hull of the watercraft, and includes a lubricating system having a lubricant collector positioned at a bottom of the engine and a lubricating system drain also positioned at the bottom of the engine through which lubricant may be drained from the collector. An access opening is provided in a bottom of the hull adjacent the lubricating system drain and a hull access opening cover plate is provided for selectively opening and closing the access opening.
申请公布号 US5899779(A) 申请公布日期 1999.05.04
申请号 US19970946120 申请日期 1997.10.07
申请人 YAMAHA HATSUDOKI KABUSHIKI KAISHA 发明人 HATTORI, TOSHIYUKI
分类号 B63B5/24;B63B35/73;B63H21/14;B63H21/38;F01M1/12;F01M11/04;F02B61/04;F02B75/02;F02B75/18;F02B75/20;(IPC1-7):B63H21/10 主分类号 B63B5/24
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