Patent ID: 7823631

Claim:
A constructional unit for a heat exchanging device, with at least one housing in which a gaseous medium is routed at least partially along a predetermined path, with an inlet device for the gaseous medium, with at least one first heat exchanging device, with at least one second heat exchanging device, with a first regulating device which influences the direction of flow of the gaseous medium and which can be set in at least two different positions, and with an outlet device for the gaseous medium, wherein, in at least one first position of the first regulating device, substantially no fractions of the gaseous medium are routed through the first heat exchanging device and in at least one second position of the first regulating device substantially no fractions of the gaseous medium are routed through the second heat exchanging device, wherein the first heat exchanging device and the second heat exchanging device are arranged at least partially one above the other and wherein at least one portion of the first regulating device, in at least one position, bears against at least one portion of the first heat exchanging device.