Method and apparatus for draining pneumatic systems
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United States of America Patent
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Apr 28, 2009
Grant Date -
Sep 14, 2006
app pub date -
Mar 7, 2006
filing date -
Mar 8, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Methods and apparatuses for determining the condition of a pneumatic system air dryer are provided. An output of the pneumatic valve or of a conduit interconnected to the outlet of the pneumatic valve is positioned such that a discharge passed through the pneumatic valve while the valve is open is in view of an operator and/or is directed to a moisture sensor. Moreover, the discharge and/or an output device interconnected to the moisture sensor is in view of the operator while the operator is in a position to operate the pneumatic valve. An observation volume with a sight glass or window and/or a moisture sensor can be provided to facilitate the observation or detection of moisture or oil in the discharge.
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