Fluid handling – Line condition change responsive valves – Pilot or servo controlled
Reexamination Certificate
2011-01-04
2011-01-04
Rivell, John (Department: 3753)
Fluid handling
Line condition change responsive valves
Pilot or servo controlled
C137S613000, C137S614110
Reexamination Certificate
active
07861740
ABSTRACT:
A digital flow control assembly for controlling the volumetric flow rate of fluids includes a fluid flow conduit, a plurality of serially-arranged flow nodes positioned along a length of the fluid flow conduit, and a device for generating a signal. The device for generating a signal is used to adjust one or more of the plurality of serially-arranged flow nodes to maintain a desired volumetric flow rate of fluid in the fluid flow conduit. A method for controlling the volumetric flow rate of fluids includes providing a fluid flow conduit, providing a plurality of serially-arranged flow nodes positioned along a length of the fluid flow conduit, and providing a feedback signal to adjust one or more of the plurality of serially-arranged flow nodes to maintain a desired volumetric flow rate of fluid in the fluid flow conduit.
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Phallen Iver J.
Vogt Douglas
Fish & Richardson P.C.
McCalister William
Niagara Dispensing Technologies, Inc.
Rivell John
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