Roki Co., Ltd.

Takamasa Murata

Taisuke Sato

Norikazu Seki

The present invention provides an oil separator that can improve oil separation performance with a simple structure. An oil separator includes a casing that has an inlet and an outlet and the oil separator is configured to separate oil contained in blow-by gas in the casing. The casing includes therein multiple staggered partition walls to form a gas passage through which the blow-by gas flows in a meandering manner in a horizontal direction from the inlet to the outlet, and a filter element that partially closes the gas passage and crosses the partition walls.

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Hamamatsu, Japan

Takamasa Murata