Lubricating device for internal combustion engine

Details Lubricating device for internal combustion engine Lubricating device for internal combustion engine

F - Mech Eng,Light,Heat,Weapons

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F01M 1/06 (2006.01) F01M 1/02 (2006.01) F01M 9/10 (2006.01) F02B 75/22 (2006.01) F02B 75/18 (2006.01)

Patent

CA 1182009

ABSTRACT A lubricating system of an internal combustion engine is equipped with intake and exhaust valves and a valve operating mechanism having rotating portions and reciprocating portions. The rotating portions are connected to an oil pump via a first oil path and the reciprocating portions are also connected to the oil pump via a second oil path. The rotating portions have a cam shaft in operative connection with a crank shaft. The reciprocat- ing portions include a rocker follower pivoted to a follower shaft and engaging the cam shaft, a rocker arm pivoted to a rocker shaft and operatively connected to the intake or exhaust valve, and a push-rod connecting the rocker follower and rocker arm. A series feed oil path is defined in the follower shaft, rocker follower, push-rod, rocker arm and rocker shaft so as to pass through their mutual contact portions, and communicates with the oil pump via the second oil path. Accordingly, in this construction the mutual contact portions between the rotating portions and the reciprocating portions can effectively be lubricated by one lubricating system.

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