Valve mechanism lubrication system for horizontal cylinder...

Details Valve mechanism lubrication system for horizontal cylinder... Valve mechanism lubrication system for horizontal cylinder...

F - Mech Eng,Light,Heat,Weapons

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F01M 9/10 (2006.01) F01M 9/06 (2006.01) F02B 75/00 (2006.01) F02B 75/16 (2006.01) F02F 1/38 (2006.01) F02B 75/02 (2006.01) F02F 1/24 (2006.01)

Patent

CA 1321328

ABSTRACT A lubrication system for the valve actuating mechanism of an internal combustion engine having a vertical drive shaft and horizontally oriented cylinder includes a rocker box housing the valve actuating mechanism with the valve actuating mechanism including a lower rocker arm and an upper rocker arm each oriented for rocking in a substantially horizontal rocking plane. A push rod cavity communicates at one end with the crankcase and at the other end with the rocker box. A cam shaft gear disposed at a lower end of a vertical cam shaft slings liquid oil from the crankcase through the push rod cavity into the rocker box. A dam is provided for retaining liquid oil in the rocker box at a level which partially submerges the lower rocker arm such that the rocking motion of the lower rocker arm splashes dammed oil to lubricate the valve actuating mechanism.

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