Patent ID: 7174868
Filing Date: 2007-02-13
Classification: F01L,F02F,Y10T

Abstract:
1. A resin cylinder head cover that permits an oil control valve to be attached, the oil control valve having ports and controlling supply and drainage of hydraulic pressure to and from a variable valve actuation mechanism of an internal combustion engine, the cylinder head cover comprising: an attaching portion formed of resin, the attaching portion is a portion of the cylinder head cover to which the oil control valve is to be attached; and a sleeve embedded in the attaching portion, the sleeve having an interior space that permits the oil control valve to be accommodated therein and oil holes, wherein each oil hole is selectively connected to one of the ports of the oil control valve accommodated in the interior space of the sleeve, and the sleeve being formed of material having higher rigidity than the resin forming the attaching portion.