| 摘要 |
Air-oil separators of this invention comprise a housing having an internal chamber defined by a housing sidewall surface that extends axially from a housing base to a housing open end. The open end includes a removable lid disposed thereon. The housing includes an inlet for receiving an air-oil mixture into the internal chamber from an internal combustion engine, and an outlet for passing a separated air stream from the internal chamber and out of the housing. An oil coalescing filter element is removably disposed within the internal chamber and is positioned/interposed between the inlet and outlet. A vacuum control device is disposed onboard or off board of the separator to provide a vacuum regulated environment within the housing internal chamber between the inlet and outlet. Thus configured, air-oil separators of this invention provide improved air and oil separation efficiencies when compared to conventional air-oil separators.
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