Gas separation: processes – With control responsive to sensed condition – Pressure sensed
Reexamination Certificate
2006-03-29
2011-12-13
Smith, Duane (Department: 1776)
Gas separation: processes
With control responsive to sensed condition
Pressure sensed
C417S228000, C417S440000, C095S024000, C096S406000, C096S408000, C096S411000, C096S412000, C096S421000, C055S423000, C055SDIG017
Reexamination Certificate
active
08075668
ABSTRACT:
A drainage system is for a compressor assembly that includes at least one separator with a chamber. The system includes a drain valve fluidly coupled with the separator chamber and adjustable between open and closed states. An actuator is operatively coupled with and adjusts the valve between the open and closed states or/and a sensor senses when the valve is open. A pressure sensor is configured to sense pressure within the chamber and a logic circuit is coupled with the pressure sensor and determines when the valve either has been or should have been adjusted to the open state. The logic circuit also generates an output signal or/and operates a device when the chamber pressure remains substantially constant or varies by less than a predetermined amount subsequent to the valve being opened and/or when the chamber pressure varies by at least the predetermined amount after the valve is opened.
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Delmotte Scott J.
O'Leary Thomas D.
Vine Jon T.
Dresser-Rand Company
Edmonds & Nolte PC
Smith Duane
Wu Ives
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