Patent ID: 7652562
Filing Date: 2010-01-26
Classification: B60B,B60Q,B61K,F16C,G01K

Abstract:
1. A temperature warning system for a heavy-duty vehicle including at least one axle having a pair of spindle ends, each spindle end being formed with an inner diameter, and having a wheel end assembly rotatably mounted thereon, said temperature warning system comprising: a thermal switch disposed in said inner diameter of at least one of said axle spindle ends; a control module electrically connected to said switch to form a closed electrical circuit with the switch, said control module including a relay electrically connected to said closed electrical circuit; and an indicator device electrically connected to said relay in said control module, whereby when the temperature of said switch reaches a predetermined minimum temperature, the switch opens to break said closed electrical circuit and activates the indicator device, said relay further enabling self-diagnosis of said temperature warning system.