| 摘要 |
<p>[Problem] Provided is an oil supply apparatus for an internal combustion engine such that the decrease in the level of oil stored in an oil storage means can be reliably detected by an inexpensive configuration. An oil supply apparatus (50) is provided with an oil pump (1) in which a plurality of switching discharge pressures (P, Q, R, S) are set such that the oil discharge pressure is switched for each of a plurality of target rotating speeds (N1, N2, N3) when the rotating speed of the internal combustion engine reaches each of the target rotating speeds (N1, N2, N3, N4). An ECU (51) determines that the level of oil stored in an oil pan (11) is decreased on condition that the deviation between a target rotating speed (N3) of the internal combustion engine that is set for the switching discharge pressure (R) and an actual rotating speed (N) of the internal combustion engine that is actually detected at the switching discharge pressure (R) is not less than a determination value.</p> |
