| 摘要 |
Devices for separating impurities from the lubricating oil of an internal combustion engine, the devices at least having a filter element and a housing provided with a screw cap. The screw cap and the filter element include a detachable connection arrangement which can be brought into contact and are used to transmit axial tractive forces. A first device is characterized in that the connection arrangement can be brought into contact by rotating the screw cap in the loosening rotational direction thereof and can be disengaged by rotating the screw cap in the tightening rotational direction thereof. A second device also includes a centrifuge located in the same housing, a first connection apparatus, corresponding to the above-mentioned connection apparatus being provided between an intermediate cap and the filter element, and a second connection apparatus being provided between the screw cap and the intermediate cap.
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