Linear actuator assembly having a magnetic sensor
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United States of America Patent
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Jun 20, 2017
Grant Date -
Nov 27, 2014
app pub date -
Nov 21, 2012
filing date -
Nov 21, 2011
priority date (Note) -
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Abstract
A linear actuator assembly (30) having an inner sleeve (100) which moves in a first direction or in an opposite second direction relative to a fixed outer sleeve (90) between a fully extended position and a fully retracted position. The linear actuator assembly (30) also has an emitter (180) and a sensor (184) positioned near the emitter (180) that detect changes in an emitted signal resulting from the movement of the inner sleeve (100) relative to the outer sleeve (90) along a longitudinal axis and a controller (101) electrically coupled to the sensor (184) to determine the axial position of the inner sleeve (100) relative to the outer sleeve (90) along the longitudinal axis.
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