Device for measuring a relative rotation speed and/or a relative angular position between a first rotating element and a second rotating element mounted to rotate relative to a static part
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United States of America Patent
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Oct 31, 2017
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N/A
app pub date -
Jul 11, 2016
filing date -
Jul 10, 2015
priority date (Note) -
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Abstract
A device for measuring a relative rotation speed and/or a relative angular position between a first rotating element (2) and a second rotating element (3). The device includes a structure for generating a magnetic field rotating at a magnetic rotation speed representing a rotation speed of the first rotating element and a sensor (5) mounted to rotate and adapted to produce from the rotating magnetic field a measurement signal representing the relative rotation speed and/or the relative angular position. The device also has a processor (11) positioned on the static part and intended to acquire the measurement signal. A transmitter is adapted to transmit the measurement signal to the processor from the sensor.
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