Importance

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Abstract

An oil separator includes: a plurality of separation disks, rotatable together with a spindle, that are laminated in the spindle; a nozzle that injects oil to rotate the spindle; a lower case that includes a tubular member and a communication tube portion, the tubular member configured to introduce blow-by gas, the communication tube portion configured to discharge separated oil; an upper case, mounted to the lower case from above, forms a chamber; and a partition member that partitions the chamber into a lower chamber and an upper chamber, that forms a communication port around the spindle at a height between the nozzle and the separation disks, the communication port guiding the blow-by gas. The tubular member includes an introduction inlet and outlet for blow-by gas, the introduction inlet located outside of the lower case, the introduction outlet located in a proximity of a lower side of the nozzle.

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First Claim