CPC G01S 17/931 (2020.01) [B60R 11/00 (2013.01); G01D 11/245 (2013.01); H05K 7/2039 (2013.01); B60R 2011/004 (2013.01); G01D 11/26 (2013.01)] | 20 Claims |
1. A sensor assembly comprising:
a housing;
a sensor unit attached to the housing; and
a gutter fixed relative to the housing;
the sensor unit including a cylindrical shell defining a vertical axis;
the cylindrical shell extending above a highest point of the housing;
the cylindrical shell being rotatable around the axis relative to the housing;
the cylindrical shell including a lower edge and extending upward along the axis from the lower edge;
the gutter being elongated along the lower edge and positioned directly below the lower edge relative to the axis;
the gutter defining an airflow outlet from the housing radially inside the gutter relative to the axis; and
the sensor unit defining an airflow inlet radially inside the lower edge relative to the axis and positioned to receive airflow from the airflow outlet.
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