Abstract: The invention relates to a housing (1), in particular for a control unit of a fan motor, having at least two housing elements (10, 30) and having a connecting element (50), wherein the housing elements (10, 30) interact with the connecting element (50), and wherein the brought-together housing elements (10, 30) form an interior region (5). According to the invention, a duct (40) is formed which, before and/or during the assembly of the housing (1), in particular before and/or during the bringing-together of the housing elements (10, 30), connects the interior region (5) and the surroundings of the housing (1) and permits a fluid flow between the interior region (5) and the surroundings, and which, upon the completion of the assembly process, is closed off by way of the interaction of at least one housing element (10, 30) and the connecting element (50).

Abstract: The invention relates to an electromotor (1) having a conducting rotor shaft (3), a contacting element (10) for electrically contacting the rotor shaft (3), and a connection device (14) for connecting the rotor shaft to a virtual or fixed potential.