Device for detecting the state of a machine element
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United States of America Patent
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Oct 18, 2016
Grant Date -
Jul 9, 2015
app pub date -
Jan 6, 2015
filing date -
Jan 8, 2014
priority date (Note) -
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Abstract
A device for detecting a mechanical state of a machine element rotates about an axis, such as a shaft is formed with an actuator disposed on the machine element so as to be axially movable, an arrangement for converting a torsion of the machine element into an axial displacement of the actuator and a sensor disposed so as to be stationary relative to the machine element for detecting the axial displacement of the actuator. A mark is assigned to the actuator for detection by the sensor in order to detect the axial displacement of the actuator. A speed (n) of the machine element can be determined from the number of marks that are detected per unit of time.
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