Air-breather device for oil casing

摘要: An air-breather device for an oil casing is filled with and accommodates a driving mechanism, e.g., differential gear of vehicle. The comprises cylindrical breather plug deflector attached to the wall having end opening into casing, open in other which opens outside being normally closed by spring-urged cover, baffle plate on upstream side thereof, as viewed direction flow such intercept tends within casing.