Valve operating system in internal combustion engine

Details Valve operating system in internal combustion engine Valve operating system in internal combustion engine

F - Mech Eng,Light,Heat,Weapons

01

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F01L 1/18 (2006.01) F01L 1/26 (2006.01)

Patent

CA 2331283

A valve operating system in an interned combustion engine includes an associative-operation switchover means capable of switching over the associative operation of a pair of rocker arms disposed adjacent each other and the releasing of the associative-operation. The associative-operation switchover means is provided between a plurality of rocker arms including the rocker arms disposed adjacent each other. In such valve operating system, through-bores are coaxially provided in support walls of the rocker arm, and opposite ends of a roller shaft are fitted and fixed in the through-bores. A spring- receiving member is mounted to the roller shaft for receiving a return spring. Thus, when the roller shaft with the return spring of the associative-operation switchover means accommodated therein is mounted to the rocker arm, it is possible to facilitate the processing and to reduce the size and weight of the rocker arm.

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