TORQUE SENSOR AND POWER STEERING SYSTEM
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United States of America Patent
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N/A
Issued Date -
Oct 18, 2012
app pub date -
Apr 11, 2012
filing date -
Apr 15, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
First and second shafts are connected with each other through a torsion bar and arranged to rotate relative to each other within a relative rotational angle range A. A s torque sensor includes first and second resolvers for sensing the angular potions of the first and second shafts, respectively. The first resolver produces a periodical first resolver output signal so that the number X1 of cycles per revolution of the first shaft is smaller than 360/A (X1<360/A). The second resolver produces a periodical second resolver output signal so that the number X2 of cycles per revolution of the second shaft is smaller than 360/A (X2<360/A).
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