Foreign matter removal device and a method of operating the same
AssigneesHyundai Motor Company, Kia Corporation
InventorYoung Dug Yang
Life of this patent
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Abstract
A foreign matter removal device for an environmental sensor and a method of operating the same. The device includes the environmental sensor including a hydrophobic layer on the surface thereof and a plurality of electrodes disposed under the hydrophobic layer, wherein a voltage is applicable to the plurality of electrodes, and a nozzle configured to spray a fluid to the environmental sensor, wherein the voltage is applied after the nozzle sprays the fluid.
Claims19
A foreign matter removal device for an environmental sensor, the device comprising:
- the environmental sensor comprising a hydrophobic layer on a surface thereof and a plurality of electrodes disposed under the hydrophobic layer, wherein a voltage is applicable to the plurality of electrodes;
- and
- a nozzle configured to spray a fluid to the environmental sensor,
- wherein the voltage is applied after the nozzle sprays the fluid.
A method of operating a foreign matter removal device for an environmental sensor, the method being executed by a controller, the method comprising:
- detecting whether foreign matter is attached to the environmental sensor, wherein the environmental sensor comprises a hydrophobic layer on a surface thereof and a plurality of electrodes disposed under the hydrophobic layer;
- spraying a fluid to the environmental sensor using a nozzle upon determining that foreign matter is present on the environmental sensor;
- and
- alternately applying a first voltage and a second voltage, which are different from each other, to the plurality of electrodes.
A method of operating a foreign matter removal device, the method being executable by a controller, the method comprising:
- detecting whether foreign matter in a non-liquid state is present on an environmental sensor, the environmental sensor comprising a hydrophobic layer on a surface thereof and a plurality of electrodes disposed under the hydrophobic layer and to which voltage is applicable;
- spraying a washer fluid to the environment sensor through a nozzle;
- and
- adjusting voltages of the plurality of electrodes.
Dependencies are inferred from the claim text.