Torque sensor and steering column provided with such a sensor
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United States of America Patent
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Aug 6, 2002
Grant Date -
N/A
app pub date -
Feb 3, 1999
filing date -
Feb 4, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Two external rings and an internal ring form an assembly that is connected to a column so it rotates with it, to which column the torque to be measured is applied. Elastically deformable members connect the internal ring to one external ring, and the other external ring remaining essentially unstressed. A measurement device, such as, for example, a probe having at least one with Hall effect device, measures relative displacement of the two external rings to determine the torque applied. The invention also concerns the steering devices equipped with such torque sensors, for example, for power or assisted steering.
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