Hydraulic actuator piston measurement apparatus and method
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Nov 8, 2001
app pub date -
Mar 7, 2001
filing date -
Mar 8, 2000
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method and device for use with a hydraulic system is adapted to measure a position, velocity and/or acceleration of a piston of a hydraulic actuator based upon differential pressure measurement. The device of the present invention utilizes a differential pressure flow sensor to establish a flow rate of a hydraulic fluid flow traveling into and out of a cavity of the hydraulic actuator, from which the position, velocity and acceleration of the piston can be determined.
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