Fahrzeugheizung und Vorrichtung

摘要

The heating device comprises motor (1) actuating a blower (2) with fan wheel (3). The drive connection is connected between the motor and fan, with a rotational axis (5) turning. Three signal givers (6) are mounted on the fan wheel with spacing (b1,b2,b3) arranged on the rotational axis. The rotation of the fan provides the signals to be produced into the closeness to the signal component (7).