Lubricating arrangement for engine
AssigneeYamaha Hatsudoki Kabushiki Kaisha
InventorTetsushi Saito
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Abstract
A cooling and lubricating system for an internal combustion engine wherein an oil cooler and oil filter are mounted at a lower portion of the cylinder block in a recess formed by the crankcase member to provide a compact assembly and wherein the oil filter is readily accessible. All of the passages for supplying lubricant and coolant to and from the oil cooler and oil filter are formed integrally in the body of the engine so as to avoid the use of external conduits.
Claims19
An internal combustion engine having a cylinder block forming at least one cylinder bore therein, a crankcase member affixed to the underside of said cylinder block and forming a crankcase chamber at the lower end of said cylinder bore, an oil cooler mounted on the lower end of said cylinder block in a recess formed by said crankcase member, an oil filter detachably connected to said oil cooler for receiving oil that has passed through said oil cooler for filtration and returning to said engine for its lubrication, means for delivering coolant for said engine to said oil cooler and returning said coolant to said engine, and means for delivering lubricant from a lubricant pump to said oil filter through said oil cooler and for returning lubricant to said engine for its lubrication.
Dependencies are inferred from the claim text.