Patent ID: 10927728

Abstract:
Disclosed is an oil passageway structure for an engine, which comprises: a body-side oil passage; a cover-side oil passage; an oil passage coupling section in which a first mating face formed around a peripheral edge of an endless transmission band cover-facing open end of the body-side oil passage is coupled to a second mating face formed around a peripheral edge of a body-side oil passage-facing open end of the cover-side oil passage; a groove formed in one of the first mating face and the second mating face; a cutout provided in the one mating face formed with the groove; and a sealing member attached to the groove, wherein the sealing member is formed with an outward protrusion protruding beyond an outer edge-side end of the cutout, and the cutout is formed inclinedly with respect to a cylinder axis as viewed in a cylinder row direction.