| 摘要 |
A hydraulic control device 1 is equipped with an oil jet 2 that injects oil to a piston 102, an oil gallery 3 through which oil injected b y the oil jet 2 and oil supplied to a lubrication part 101 of an engine 100 pass, an oil pump 4 that pumps oil to the oil gallery 3, and a switching valve 6 that is provided on an oil jet passage 102 connecting the oil gallery 3 and the oil jet 2 together and leads oil supplied from the oil gallery 3 to either the oil jet 2 or an oil pan 5 disposed at an upstream side of the oil pump 4. An ECU 10 controls the switching valve 6 on the basis of an engine speed and an engine cooling water temperature. |
