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

Claim 18:
19. A sensor apparatus comprising:
a cylindrical sensor window defining an axis; and
an 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;
wherein the air nozzle extends around the sensor window in a circumferential direction relative to the axis;
the 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;
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;
the air nozzle includes a first-portion panel for which the first portion of the outer edge forms an edge; and
the first-portion panel has a frustoconical shape.