Patent ID: 9527480
Filing Date: 2016-12-27
CPC Classification: B60S

Claim Text:
1. A control device ( 160 ) for controlling a drive unit ( 120 ) for at least one wiper arm ( 140 ) of a vehicle windshield wiper system ( 100 ), the control device ( 160 ) being designed to determine at least one load variable (L) of the drive unit ( 120 ) and to set the wiping frequency (WH) of the wiper arm ( 140 ) on the basis of a ratio of the determined load variable (L) to at least one load threshold value (LS), characterized in that the control device ( 160 ) is designed to perform the setting of the wiping frequency (WH) depending on a present traveling velocity (v) of the vehicle; wherein the control device ( 160 ) is configured to determine the load threshold value (LS) depending on a wind load acting on the wiper arm ( 140 ) at the present traveling velocity (v).