Patent ID: 9719401
Date: 2017-08-01
CPC Classifications: F01N,G01N,Y02T

Claim:
1. A boss configured to mount a nitrous oxide sensor in an exhaust conduit, the boss comprising: a longitudinal axis extending from a first end of the boss to a tip end of the boss, the first end of the boss being configured to be positioned outside the exhaust conduit and the tip end of the boss being configured to be positioned in an interior space defined within the exhaust conduit; a tubular first tier positioned about the longitudinal axis and extending along the longitudinal axis from the first end to a second end, the first tier configured to contact with an exterior surface of the exhaust conduit, and being defined by a first outer diameter and a first height along a direction of the longitudinal axis; a tubular second tier positioned about the longitudinal axis and extending along the longitudinal axis from the second end of the first tier to a third end configured to be disposed within the interior space, the second tier being defined by a second diameter and a second height along the direction of the longitudinal axis, the second diameter sized smaller than the first diameter; and a flange extending radially outward from the tip end of the boss in a direction away from the longitudinal axis, the flange being a condensation protection feature configured to direct condensation away from the nitrous oxide sensor.