Device for the measurement of the torsion torque applied to a rotating shaft
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United States of America Patent
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Jan 4, 2005
Grant Date -
Nov 14, 2002
app pub date -
Mar 8, 2002
filing date -
Mar 9, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
A device for the analog measurement of a torsion torque, a steering column incorporating the device and a module comprising the device. The device comprising a test body which can be deformed by torsion, first and second magnetic pulse generators connected in the vicinity of a first and of a second end, respectively, of the test body, a first and a second analog magnetic sensor, and an electronic treatment device capable of forming, from input analog signals A, B, C, D which are functions of the detected signals, the output signal F(A, B, C, D)=((B*C)-(A*D))/((B*D)+(A*C)) which is a function of the torque applied to said shaft.
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