Patent ID: 8051820
Filing Date: 2011-11-08
Classification: F01L,F16J

Abstract:
1. A cam cap for an internal combustion engine, having a connection portion protruding from a side of the cam cap opposite to where a camshaft support face is formed, characterized in that: an opening of a hydraulic oil supply passage through which hydraulic oil is supplied to an oil control valve and openings of two pressure-adjusting oil passages each of which supplies and receives hydraulic oil at a pressure adjusted by the oil control valve are formed in an oil passage connection face of the connection portion such that the opening of the hydraulic oil supply passage is located on an imaginary line extending through between the openings of the two pressure-adjusting oil passages; and a gasket groove is formed as a single continuous groove so as to surround the opening of the hydraulic oil supply passage and the openings of the two pressure-adjusting oil passages, wherein the layout of the opening of the hydraulic oil supply passage and the openings of the two pressure-adjusting oil passages and the shape of the gasket groove are symmetrical with respect to a plane extending through the imaginary line in a direction perpendicular to the oil passage connection face.