Small angle sensor for measuring steering shaft torque
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United States of America Patent
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Jul 15, 2014
Grant Date -
May 23, 2013
app pub date -
Nov 16, 2012
filing date -
Nov 18, 2011
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A small angle sensor for measuring steering shaft torque. The sensor includes a multi-pole magnet and one or more stators. Each of the one or more stators encompasses the outer circumference of the multi-pole magnet. Each of the one or more stators has a horizontal ring section having an inner circumference and an outer circumference; and a plurality of teeth. Each tooth extends in a vertical direction from the inner circumference of the horizontal ring section; and a lip extends in a vertical direction from the outer circumference of the horizontal ring section. The sensor also includes one or more collectors. Each of the one or more collectors encompasses only a portion of the lip of the one or more stators. The sensor includes one or more magnetic sensing elements. Each of the one or more magnetic sensing elements located proximate to the one or more collectors.
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