Patent ID: 6494176
Filing Date: 2002-12-17
Classification: F01M,F02B,F02F

Abstract:
An oil mist generation system in a handheld type four-cycle engine including an oil slinger which is provided in an oil tank disposed on one side of an engine main body and which is rotated by a crankshaft, the oil slinger scattering oil stored in the oil tank by the rotation of the oil slinger so as to generate an oil mist, whereina drive gear provided on the gear shaft; and at least three oil slingers supported on three support shafts and simultaneously driven by the drive gear, the three support shafts being arranged around the drive gear such that said three oil slingers are accommodated within said oil tank, wherein a rotating member of a valve operation mechanism functions as part of the oil slingers, wherein said oil tank is formed continuously with a side wall of said engine main body and said crankshaft projects from said side wall to extend across the oil tank, and wherein any of said three slingers is partially immersed in the oil of the oil tank regardless of an operational position of the engine.