Patent ID: 6478114
Filing Date: 2002-11-12
Classification: F01M,Y10T

Abstract:
A lubricating system for an internal combustion engine comprising:a pair of case halves coupled to constitute a crankcase; an oil pool formed in a bottom of said crankcase is fed through a strainer and an oil pump for lubrication to various portions; said crankcase being provided with a ceiling portion for closing an upper side of the oil pool, an opening in said ceiling portion of one of said case halves, said strainer is formed in a flat plate like shape, said flat plate like strainer is fitted in said opening, one of said case halves is provided with an oil passage through which the oil having passed through said strainer flows roughly horizontally to a suction port of said oil pump, said ceiling portion of one of said case halves is provided with a cutout portion at a position where said ceiling portion of one of said case halves and said oil pump are adjacent to each other, and a plug is fitted in said cutout portion.