US Patent 10189429 Vehicle sensor cleaning based on a vehicle occupancy status

A vehicle includes a compressor; a first accumulator fluidly connected with the compressor; a second accumulator fluidly connected with the compressor; a first nozzle directed at a first sensor and fluidly connected with the first accumulator; a second nozzle directed at a second sensor and fluidly connected with the second accumulator; an occupancy sensor; and a computer in communication with the compressor, the accumulators, and the occupancy sensor. The computer is programmed to, upon determining that the vehicle is unoccupied based on data received from the occupancy sensor, instruct the compressor to pressurize the accumulators of the vehicle.