Device for detecting angular displacement and instrumented roller bearing
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United States of America Patent
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Nov 2, 2004
Grant Date -
Jan 8, 2004
app pub date -
Jul 7, 2003
filing date -
Apr 12, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A device for detecting one or more parameters of a rotary member angular displacement, includes: and instrumented roller bearing (1) provided with a non-rotating part including a non-rotating ring (2) and a sensor block (8), a rotating part including a rotating ring (2) and a coding ring (15) mounted opposite the sensor block (8) and at least a row of rolling elements (4); and elements for processing signals transmitted by the sensor block. The sensor block (8) comprises at least two sensing elements (9, 10) co-operating with the single coding ring, signals transmitted independently by each sensing element corresponding to the same parameter of angular displacement, so as to supply to the processing elements a redundant information on the parameter of angular displacement.
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