Method and apparatus for determining brake balance through the use of a temperature sensing element in a wheel speed sensor
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United States of America Patent
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Issued Date -
Sep 26, 2002
app pub date -
Mar 22, 2001
filing date -
Mar 22, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method for monitoring the distribution of braking force over a plurality of wheels during a braking event is disclosed. The method employs a multi-function sensor (62) which includes both wheel speed sensing capability in association with a tone ring (64), and temperature sensing capability in the form of a temperature sensor (180). The temperature sensor is preferably a thermocouple sensor such as an iron-constantan thermocouple sensor. The temperature of the brake environment during a braking event is roughly proportional to the work expended by the brake in decelerating the wheel, and so the braking force distribution over the plurality of wheels may be characterized by the variation in the reported temperatures during the braking event.
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