Oil separating device has oil drain aperture in flow or cascade device before cyclone separating device

摘要

The oil separating device (2) has a pre-separating device (28), a cyclone separating device (30), a fine separating device (32) and a valve device, arranged as a cascade on the cylinder head cover. There is an oil drain aperture (44) in a flow or cascade device before the cyclone separating device, through which the separated oil is returned to the pre-separating device.