Patent ID: 6743063
Filing Date: 2004-06-01
Classification: B63B,B63H,F01M,F02B

Abstract:
A dry-sump engine for a planing boat having a jet propulsion pump, said dry sump engine comprising:a crankshaft extending along an axial centerline of said engine; an upper case and a lower case of said dry-sump engine; at least one fastening bolt securing said upper case and said lower case of the engine along a parting plane; an oil pan, said lower case including a mounting face for joining a joint surface of an oil pan and being provided in a position below said parting plane, wherein said fastening bolt is positioned higher than said oil pan with respect to said parting plane and said mounting face surrounds said at least one fastening bolt when viewed with respect to a bottom portion of said lower case and said engine centerline; an oil tank; and an oil pump; wherein said oil pan is positioned below said crankshaft and said oil tank and said oil pump are integrally provided on an extension of said crankshaft.