Patent ID: 9415661
Filing Date: 2016-08-16
CPC Classification: B60H,F16H,Y10T

Claim Text:
1. A vehicle ventilation and/or air conditioning unit with a control element including a rotational axis and a circumferential surface encircling the rotational axis, with the control element having at least one guiding rib on the circumferential surface which protrudes in a radial direction in relation to the circumferential surface and divides the control element into an axially front region and an axially rear region, wherein the control element has an axial direction along the rotational axis and the width of the at least one guiding rib in the axial direction changes throughout the radial direction of the circumferential surface, and wherein the at least one guiding rib extends in a closed manner along the entire circumferential surface of the control element.