CPC G01S 7/4813 (2013.01) [G01S 17/931 (2020.01); G01S 2007/4977 (2013.01)] | 19 Claims |
1. A sensor assembly, comprising:
a housing defining a chamber;
a sensor supported by the housing;
a duct extending from a first end to a second end, the first end of the duct being open to an environment external to the chamber and the second end being fluidly connected to the chamber;
the duct including a first portion at the first end, a second portion at the second end, and a middle portion between the first portion and the second portion; and
the middle portion extending downward from the first portion, and the second portion extending upward to the second end;
a blower having an intake and an exhaust, the intake connected to the duct at the second end and the exhaust oriented to blow into the chamber; and
wherein the housing defines an opening and includes a lip surrounding the opening and disposed within the first end of the duct.
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