Lubricating structure in internal combustion engine

Details Lubricating structure in internal combustion engine Lubricating structure in internal combustion engine

F - Mech Eng,Light,Heat,Weapons

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F01M 1/12 (2006.01) F01L 1/053 (2006.01) F01L 1/18 (2006.01) F01M 9/10 (2006.01)

Patent

CA 2363415

In an internal combustion engine including a rocker shaft holder which comprises a plurality of shaft-supporting sections connected together and disposed at distances in a direction of arrangement of cylinders and which is fixed to a cylinder head, and rocker shafts each of which swingably carries thereon a plurality of rocker arms and which are supported by the shaft-supporting sections, an oil sump is defined in an upper surface of the rocker shaft holder, and lubricating oil passages are provided in the rocker shaft holder to communicate with the oil sump, so that a lubricating oil can be supplied to slide portions of at least some of the rocker arms. Thus, an increase in number of parts can be avoided in the lubrication of the slide portions of at least some rocker arms.

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