Fluid handling – Systems – Flow path with serial valves and/or closures
Reexamination Certificate
2007-05-29
2007-05-29
Lee, Kevin (Department: 3753)
Fluid handling
Systems
Flow path with serial valves and/or closures
C137S487500, C251S030010
Reexamination Certificate
active
11025758
ABSTRACT:
A gas valve body with a first flow chamber and, a second flow chamber including and a main valve positioned in line and between the first flow chamber and the second flow chamber. The main valve can be opened by creating a pressure differential across the main valve. An electrostatically controlled pilot valve is provided for controlling the pressure differential across the main valve for “on-ff” operation. The electrostatically controlled pilot valve may also be operated to “modulate” the pressure differential across the main valve along a range of pressure differential values.
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Adams John T.
Baarda Gerrit J.
Bonne Ulrich
Cabuz Cleopatra
Cabuz Eugen I.
Honeywell International , Inc.
Lee Kevin
LandOfFree
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