Cylinder with fiber optical position sensing device
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United States of America Patent
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May 23, 2006
Issued Date -
N/A
app pub date -
Dec 14, 2004
filing date -
Jan 4, 2002
priority date (Note) -
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Abstract
A fluid-pressure actuated piston/cylinder assembly having a sensor capable of reading at least one indicia marking on a piston rod in order to determine the movement and specific location of the piston rod and cylinder relative to each other. The sensor is housed within a sealing gland that is incorporated into the piston/cylinder assembly and is isolated from the fluid pressure and external elements outside of the assembly. The method of providing a compact, accurate position detecting system for the noted piston/cylinder assembly is also set forth.
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