Method and apparatus for diagnosing motor-operated valve
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United States of America Patent
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Apr 14, 2009
Grant Date -
Jan 10, 2008
app pub date -
Mar 10, 2004
filing date -
Mar 10, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
and based on the torque curve thus calibrated, produces a diagnosis of the motor-operated valve. Accordingly, an easy and quick diagnosis can be achieved on whether the torque-related characteristics of the motor-operated valve are appropriate or not.
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