| 摘要 |
A centrifugal separator for separating contaminants from contaminated oil is disclosed. The centrifugal separator has a shroud which defines a first chamber and has a hollow rotor mounted for rotation therewith in the first chamber and defining a second chamber. Oil under pressure is admitted to the second chamber through a rotatable, hollow spindle on which the rotor is fixed. The oil flows into the first chamber through tangential reaction nozzles in the rotor to cause contaminants to migrate toward the sidewall of the second chamber under the influence of centrifugal force. The spindle is axially movable in the shroud, and is biased toward the upper end of the shroud by a spring. An indicator pin extends through the top of the shroud and is biased against the top of the spindle so that it follows movements of the spindle. As the contaminants build up on the sidewalls of the rotor, the spindle, and therefore the indicator pin, move downwardly so that an inspection of the indicator pin will inform the observer as to the build up of contaminants within the rotor without disassembling the separator.
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