| 摘要 |
An engine has an oil passage for supplying oil discharged by an oil pump. An oil passage for a driving valve system, an oil passage for auxiliary machines, and a controlling oil passage all branch from the pump oil passage. A throttle portion for controlling the amount of oil supplied to a driving valve system is provided in the valve system passage, and a throttle portion for controlling the amount of oil supplied to auxiliary machines is provided in the auxiliary passage.
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