US 12,320,728 B2
Water intrusion detection
Bruce M. Collier, Saginaw, MI (US); Shunqing Yang, Grand Blanc, MI (US); and Stanley J. Iseler, Freeland, MI (US)
Assigned to Steering Solutions IP Holding Corporation, Saginaw, MI (US)
Filed by Steering Solutions IP Holding Corporation, Saginaw, MI (US)
Filed on Sep. 9, 2021, as Appl. No. 17/470,299.
Application 17/470,299 is a division of application No. 15/914,509, filed on Mar. 7, 2018, granted, now 11,137,314.
Prior Publication US 2021/0404903 A1, Dec. 30, 2021
Int. Cl. G01M 3/04 (2006.01); B62D 5/04 (2006.01)
CPC G01M 3/045 (2013.01) [B62D 5/0403 (2013.01); B62D 5/0481 (2013.01); B62D 5/0424 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A power steering system, comprising:
a power steering unit having a housing assembly including a first housing and a second housing joined together at a junction and provided with at least one sealing member within the junction and a component disposed within the housing assembly; and
a liquid intrusion detection system, comprising:
an absorbent material disposed within the housing assembly about the component between the junction and the component,
first electrical contacts in contact with the absorbent material, the first electrical contacts having first ends embedded in a first side of the absorbent material in spaced relation from one another, wherein the first electrical contacts extend outwardly and away from the first side,
second electrical contacts in contact with the absorbent material, the second electrical contacts having second ends embedded in a second side of the absorbent material opposite the first side in spaced relation from one another, wherein the second electrical contacts extend outwardly and away from the second side, such that the first and second electrical contacts extend away from one another, and
at least one processor in communication with the first electrical contacts.