Patent ID: 7867158
Filing Date: 2011-01-11
Classification: B01D,B04B,F01M

Abstract:
1. A device for separating impurities from the lubricating oil of an internal combustion engine, said device comprising a filter element at its bottom and, on top of said filter element, a centrifuge with a rotor drivable by means of lubricating oil flowing therethrough, wherein said filter element and said centrifuge are arranged, one above the other, in a common two-piece housing that is closed during operation of the device and comprises a removable upper screw cap and a stationary lower housing part, wherein a removable intermediate cap is arranged in the housing between said filter element and said centrifuge, and wherein said centrifuge, said intermediate cap and said filter element can be removed from the housing while the latter is in its open state, wherein only the screw cap and the intermediate cap comprise detachable connection members that can be brought in engagement with each other and are arranged to transmit at least one of axial tractive forces and axial tractive and compressive forces between each other, and relative to each other, the intermediate cap and the filter element are unconnected component parts of the device, and the intermediate cap and the filter element are constructed free of connection elements that would transmit tractive forces between the intermediate cap and the filter element.