F - Mech Eng,Light,Heat,Weapons – 01 – L
Patent
F - Mech Eng,Light,Heat,Weapons
01
L
F01L 1/34 (2006.01) F01L 1/26 (2006.01) F01L 1/344 (2006.01) F01L 1/46 (2006.01) F01L 9/02 (2006.01)
Patent
CA 2316147
In an oil passage system of a valve moving control apparatus for an internal combustion engine having a hydraulic valve phase variable mechanism and a hydraulic valve characteristic changing mechanism, an oil pressure changing valve for changing operation of the valve characteristic changing mechanism is attached to a rear surface on exhaust side of a cylinder head, and a working oil supply passage is disposed at the exhaust side of the cylinder head. A phase operating oil passage leading to an oil pressure control valve for controlling operation of the valve phase variable mechanism is connected with the working oil supply passage at a downstream position of a branching portion where a change operating oil passage leading to the oil pressure changing valve branches from the working supply passage. In the phase operating oil passage formed in the cylinder head, flow of the phase operating oil is reversed by a cover which is provided at a front surface on suction side of the cylinder head.
Goudreau Gage Dubuc
Honda Giken Kogyo Kabushiki Kaisha
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