Deformation-sensing bearing having four strain gauges
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United States of America Patent
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Jan 26, 2010
Grant Date -
Apr 24, 2008
app pub date -
May 3, 2005
filing date -
May 4, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A bearing which includes at least one system for determining an amplitude of pseudo-sinusoidal deformations induced during rotation of a fixed ring within a zone, wherein the system includes four strain gauges spaced equally apart from each other within the zone, a device for measuring four signals based on time variations of a signal emitted by each gauge and for forming two signals for the same angle and amplitude, and a device for computing the time-dependent amplitude A of the zone deformations for calculating an expression such that the amplitude is derived therefrom.
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