Importance

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Abstract

A control device for the synchronous control of at least two air distribution flaps (10, 12, 14, 16) of a heating and/or air-conditioning unit (HVAC unit) of a motor vehicle has at least one first adjustment mechanism for a first air distribution flap pair (14, 16). The first adjustment mechanism comprises a first adjustment lever (30), which is rotatable about an axis of rotation and which has a first and a second arm (34, 36) extending from the axis of rotation and each having a connecting point. The first adjustment mechanism also comprises two coupling rods (44, 46), which are coupled to the arms (34, 36) at the connecting points, two flap levers (48), which are coupled to the coupling rods (44, 46), and two rotary spindles, which are coupled to the flap levers (48), of the air distribution flaps (14, 16). The control device may have further adjustment mechanisms of this type for the simultaneous control of further air distribution flap pairs (10, 12), wherein the adjustment mechanisms are in particular operated by means of a common control disc (20), such that altogether only one stepper motor (22) is required.

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First Claim