| 摘要 |
A casing 3 has the following: a flat part 3a that accommodates a filter 2; an oil flow-out cylinder part 3b that is formed in a cylindrical shape which protrudes from the flat part 3a, and that has an oil flow-out port 4 at a leading-end portion thereof; an extension part 13 for extending the flow path cross-section on the base-end side of the oil flow-out cylinder part 3b in the width direction of the flat part 3a. |
