Electric drive construction unit with cooling arrangement

The component (12) has a guide device provided with a cooling medium for cooling a portion of the component by a phase transition part. A pipe line arrangement conducts the cooling medium from a cooling medium storage to the portion of the component. An integral planned cavity is formed in the portion of the component, the guide device and the cooling medium storage. A hole is formed in an external cooling medium container. The cooling medium is arranged in pores of a porous material. A temperature closure is opened in the guide device.