Patent ID: 9074558
Filing Date: 2015-07-07
Classification: B01D,B04B,F01M,F02M

Abstract:
1. A centrifugal precipitator for the precipitation of oil mist from the crankcase ventilation gas of an internal combustion engine, comprising: a housing, a drivable rotor that is mounted rotatably therein, and a rotational drive for the rotor, the housing having a crude gas inlet for crankcase ventilation gas that is to be deoiled, a pure gas outlet for deoiled crankcase ventilation gas, and an oil outlet for oil precipitated from the crankcase ventilation gas, the housing having a multipart construction having a main element that surrounds the rotor and that bears bearings thereof, having a housing cover that contains the rotational drive, and having a housing floor that is built onto the main element from below through which at least the oil outlet runs, and the housing being capable of being fastened by a flange onto a counterflange of the associated internal combustion engine or of a module belonging to the associated internal combustion engine, the flange being fashioned on the main element and on the housing floor, the oil outlet running through a first flange part allocated to the housing floor and the first flange part having a circumferential rim, and a second flange part allocated to the main element having a collar that engages the rim from behind over at least a part of its circumference, the collar being capable of being clamped against the counterflange with interposition of the rim.