| 摘要 |
PROBLEM TO BE SOLVED: To provide an air filter which serves in one device as two devices, that is, an oil mist filter and an air filter, and reduces generation of clogging in the oil mist filter.SOLUTION: An air filter includes an air inflow port 16, an air outflow port 17, a louver 11 which forces air into a swirl flow in order to remove water droplets and foreign matters contained in the air by centrifugal force, and a hollow filter element 12 removing the remainder of the foreign matters which could not be removed by the swirl flow. A hollow mantle 13 removing oil contents is provided on the inner periphery of the filter element 12. |
