Patent ID: 11892564
Assignee: FORD GLOBAL TECHNOLOGIES, LLC
Field: Measurement (Instruments)
Classification: CPC G  B | IPC B  G

Claim 19:
20. A sensor apparatus comprising:
a cylindrical sensor window defining an axis;
a first air nozzle positioned at one end of the sensor window and shaped to direct airflow across the sensor window in a direction parallel to the axis; and
a second air nozzle shaped to direct airflow across the sensor window;
wherein the first air nozzle extends around the sensor window in a circumferential direction relative to the axis;
the first air nozzle is formed of an inner edge and an outer edge each extending around the sensor window in the circumferential direction relative to the axis;
the inner edge is circular with a radius at least as great as an outer radius of the sensor window;
the outer edge includes a first portion and a second portion;
the first portion of the outer edge has a semicircular shape with a radius smaller than the outer radius of the sensor window; and
the second portion of the outer edge extends around the sensor window from the first portion to the first portion at a constant radial distance from the inner edge.