Torque sensor
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United States of America Patent
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Oct 13, 2015
Grant Date -
Oct 9, 2014
app pub date -
Mar 13, 2014
filing date -
Mar 13, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A torque sensing device includes a rotating component configured to rotate about an axis of rotation and a first sensor positioned adjacent to the rotating component to sense instantaneous angular position of the rotating component at a first location. A second sensor is positioned adjacent to the rotating component radially inboard of the first sensor to sense instantaneous angular position of the rotating component at a second location. A controller is operably coupled to the first sensor and the second sensor. The controller determines a relative phase shift between a first signal generated by the first sensor and a second signal generated by the second sensor to calculate an output proportional to a torque applied to the rotating component.
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