Differential pressure sensing device for pneumatic cylinders
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United States of America Patent
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Dec 24, 1996
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N/A
app pub date -
Aug 17, 1995
filing date -
Aug 17, 1995
priority date (Note) -
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Abstract
A differential pressure control switch system for use in determining the relative position of a piston in a pneumatic cylinder in relation to a pre-set threshold pressure sensing by the differential in the supply side and exhaust side of a double acting pneumatic cylinder and a four-way directional control valve associated therewith.
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