| 摘要 |
PROBLEM TO BE SOLVED: To supply oil into a negative pressure pump with a simple structure while facilitating connection work of a rotating shaft of the negative pressure pump and a camshaft in a cylinder head cover with the negative pressure pump.SOLUTION: A cylinder head cover 10 includes: a cover 12 covering a cylinder head 74; a pump casing 20 integrally molded with the cover 12, having an opening 26 directed upward, and a circular hole 32 penetrating through the cover 12 on a bottom 24; a rotating shaft 40 fitted to the circular hole 32 and having an axial one end arranged in the pump casing 20 and the other end connected to a camshaft 76; a vane 50 disposed in the pump casing 20, integrally rotated with the rotating shaft 40, and having an end 50B slid on an inner wall surface 22A; and an oil supply passage 66 extended from the pump casing 20 to the cover 12 and communicated with an oil passage 80 of the cylinder head 74 so as to supply oil fed from an oil pump 78 to the oil flow passage 80 into the pump casing 20. |
