METHOD AND APPARATUS FOR BIAS MEMBER ADJUSTMENT WITHOUT DISASSEMBLY
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United States of America Patent
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Issued Date -
Apr 10, 2014
app pub date -
Oct 8, 2012
filing date -
Oct 8, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A process control valve with a spring rate adjustment and a spring force adjustment, thereby accommodating tight spring tolerances, such as those encountered in low power and proportional applications. The spring rate and spring force may both be adjusted after the valve has been fully assembled, thereby reducing manufacturing costs.
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