CPC F02F 7/0068 (2013.01) [F02B 67/06 (2013.01)] | 5 Claims |
1. A cover for an internal combustion engine, the cover being attachable to an engine main body and covering a timing chain or a timing belt, the cover comprising:
a first member that includes a facing surface, the facing surface facing the engine main body; and
a second member that is made of a material different from the first member and is joined to the first member, wherein
a groove portion is provided only in the facing surface of the first member,
a seal member is fitted in the groove portion to provide a seal between the first member and the engine main body,
the second member is plastic and includes:
an insertion hole that receives an engine valve operation mechanism that is coupled to a camshaft; and
an attachment portion provided in a peripheral portion around the insertion hole, the engine valve operation mechanism being attached to the attachment portion, and
the second member is made of a material that satisfies at least one of a condition that a coefficient of linear expansion is lower than that of the first member or a condition that a water absorbency is lower than that of the first member.
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