| 摘要 |
PROBLEM TO BE SOLVED: To provide a ventilation member suitable for preventing attachment of oil mist floating in a housing, to a ventilation film.SOLUTION: A ventilation hole 3 has a first ventilation passage 31, a second ventilation passage 32, and a bag-shaped passage 33. The first ventilation passage 31 has an opening 11A of an internal space 22 side, at one end portion, and the other end portion 31B is disposed on a position opposed to the opening 11A of the internal space 22 side and extended toward a first direction A. The second ventilation passage 32 is connected to a side face 31C of the first ventilation passage 31 at one end portion, has an opening 12A of an external space 24 side, at the other end portion, and is extended in a second direction B orthogonal to the first direction A. The bag-shaped passage 33 is extended into the bag shape from the other end portion 31B of the first ventilation passage 31 toward the first direction A. |
