Patent ID: 7396325
Filing Date: 2008-07-08
Classification: B04B

Abstract:
1. A rotor for a centrifuge for purifying lubricating oil in an internal combustion engine, comprising: the rotor being rotatably mounted on a rotary axis in a centrifuge housing and provided with an impurity trapping element having an impurity collecting area which is delimited radially towards the outside by means of a circumferential wall, at least the impurity trapping element being made of a plastic material, a plurality of deflecting baffles being provided on the interior of the impurity trapping element which are spaced apart from each other in circumferential direction, at least the impurity trapping element able to be removed from the centrifuge housing for maintenance purposes, at least the impurity trapping element comprising a lower part and a top part; the lower part comprising lower deflecting baffle parts and the top part comprising top deflecting baffle parts; the lower part and the top part being congruently welded with each other at a welded connection; the deflecting baffle parts being incorporated into the welded connection; and chambers being formed in the impurity trapping element, delimited by the deflecting baffles, which are connected to each other in a fluid permeable manner by openings which are provided through the deflecting baffles at at least one of above, below and at a plane of the welded connection.