System and method for cleaning a vehicle-mounted sensor
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United States of America Patent
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Jan 5, 2021
Grant Date -
Nov 2, 2017
app pub date -
Nov 14, 2016
filing date -
May 27, 2014
priority date (Note) -
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Abstract
An aspect of the invention refers to a system for cleaning an external vehicle-mounted sensor surface. The system comprises an air nozzle arranged to discharge air onto a sensor surface; an air pump comprising a fluid inlet, an air outlet, an air-fluid interface and a variable volume compression chamber communicated with the air outlet; an air flow control device communicated with the air nozzle and the air outlet for controlling the flow of air therethrough; and a liquid pump communicated with the fluid inlet to supply a flow of pressurized liquid such that the volume of the compression chamber varies to generate a volume of pressurized air with an absolute pressure below 10 bar.
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