Fluid handling – Line condition change responsive valves – With separate connected fluid reactor surface
Reexamination Certificate
2007-09-04
2007-09-04
Hepperle, Stephen M. (Department: 3753)
Fluid handling
Line condition change responsive valves
With separate connected fluid reactor surface
C251S014000, C251S129030, C454S072000, C454S073000, C454S074000, C454S075000
Reexamination Certificate
active
11128645
ABSTRACT:
A regulator valve includes dual actuators that operate according to different principles to position a valve element to either an open or a closed position. One actuator, which is an electromechanical actuator, operates in response to electrical command signals. The other actuator, which is a pneumatic actuator, operates in response to a fluid pressure. The electromechanical actuator is responsive to the electrical command signals to rotate in either a valve open or a valve close direction, to move the valve element to either the open or closed position.
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Atkins Don J.
Denike Stuart K.
Lombardi Jay W.
Sleeper Robert D.
Williams Mark W.
Hepperle Stephen M.
Honeywell International , Inc.
Ingrassia Fisher & Lorenz
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