Centrifuges, in particular for a lubricant oil in an internal combustion engine

Centrifuges, in particular for a lubricant oil in an internal combustion engine, are provided with a housing which comprises a base, a lid forming the second part of the housing and connectable to the base and a rotor arrangeable in the housing. Each centrifuge is embodied in the form of a modular unit which is assembled with the aid of modular system parts, wherein the modular system comprises different bases, and/or different lids and/or different rotors which can be assembled in the form of different combinations in such a way that different centrifuges are obtained.