Importance

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Abstract

Sensor cleaning systems are disclosed for cleaning an entrance surface through which light beams are transmitted from an environment to a vehicle-mounted sensor. The sensor cleaning system includes multiple washing elements that dispense a heated or non-heated washer fluid over the entrance surface from different angles, and multiple wiping elements that move independently over the entrance surface. The washing and dispensing elements wash and wipe the entrance surface in a sequence of reconfigurable wiping and washing steps. During vehicle shut down and startup processes, the sensor cleaning system automatically performs a cleaning process. After a last cleaning process performed during a vehicle shut down process, the wiping elements cover the entrance surface to shield the entrance surface from dirt and other debris that could interfere with sensor operation.

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First Claim