Valve operating device for internal combustion engine

F - Mech Eng,Light,Heat,Weapons – 01 – L

Patent

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F01L 31/22 (2006.01) F01L 1/18 (2006.01) F01L 1/26 (2006.01) F01L 1/46 (2006.01) F01L 3/10 (2006.01) F01L 13/00 (2006.01) F02F 1/24 (2006.01) F02F 1/42 (2006.01)

Patent

CA 1308980

ABSTRACT Apparatus for maintaining the cam follower for operating a valve for an internal combustion engine in biased engagement against the cam includes a first spring operative to bias the cam follower under a low speed engine operating condition and a second spring series-connected to the first spring and having a spring constant greater than that of the first spring operative to bias the cam follower under a high speed engine operating condition.

549052

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