| 摘要 |
<p>An oil supply device for an internal combustion engine has: a variable displacement pump (1) which is configured so that the pressure of oil discharged from the pump (1) can be changed; an oil passage (2) through which the oil discharged from the pump (1) flows; an oil filter (3) and an oil cooler (4), which are disposed in the oil passage (2); a bypass passage (5) which is connected to the oil passage (2) so as to bypass the oil cooler (4); and a bypass valve (6) which is disposed in the bypass passage (5) and which opens and closes the bypass passage (5) according to the pressure of oil. The discharge pressure of the pump (1) is changed according to the operating conditions of the internal combustion engine, and the flow of oil to the oil cooler (4) is controlled by the bypass valve (6).</p> |
