Device for measuring torque applied to a turning shaft
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United States of America Patent
Stats
-
May 20, 2003
Grant Date -
May 2, 2002
app pub date -
Sep 28, 2001
filing date -
Oct 31, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A test body deformable upon application of torque to a turning shaft. First and second bearings with the turning collar of the first bearing being connected near a first end of the test body and the turning collar of the second bearing being connected near a second end of the test body. Each bearing is equipped with a digital device for determining the angular position of the turning collar relative to the fixed collar. Each digital device includes an annular device for generating magnetic pulses, mounted for turning jointly with the turning collar, and a fixed magnetic sensor for detecting the magnetic pulses and for delivering digital signals. An electronic device processes digital signals from the magnetic sensors to determine the angular position of the annular devices, and a comparison device compares the digital signals to ascertain the torque applied to the turning shaft.
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