CPC B01D 45/08 (2013.01) [B60K 15/035 (2013.01); G01L 19/0627 (2013.01); G01L 19/0654 (2013.01); B60K 2015/0321 (2013.01); B60K 2015/03523 (2013.01); B60K 2015/03585 (2013.01)] | 18 Claims |
1. An atmospheric box for use with a fuel vent pressure sensor operatively connected to a fuel system of a vehicle, comprising:
a base, the base comprising:
a floor;
a sidewall extending upward from the floor and having an outer perimeter; and
a drain hole opening in the floor, the floor of the base being slanted downwardly toward the drain hole opening comprising an extension of a portion of the sidewall below the floor defining a port through which water and air pass; and
a cover, the cover comprising:
a top section;
an outer wall extending downward from the top section and having an inner perimeter substantially similar to the outer perimeter of the sidewall, thereby creating an interference fit between the cover and the base;
an inner labyrinth wall extending downward from the top section inward of the sidewall; and
a tube joint in the cover defining an opening inward of the inner labyrinth wall, wherein the tube joint comprises an external cylindrical portion configured to receive a tube, the tube connecting the atmospheric box to the fuel vent pressure sensor.
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