Fluid handling – Line condition change responsive valves – Pilot or servo controlled
Reexamination Certificate
2011-07-05
2011-07-05
Hepperle, Stephen M (Department: 3753)
Fluid handling
Line condition change responsive valves
Pilot or servo controlled
C137S486000, C222S014000
Reexamination Certificate
active
07971604
ABSTRACT:
A system and method for delivering a specified-quantity of a fluid using a flow controller based on a fluid delivery profile is described. One embodiment includes a fluid delivery profile that includes a delivery time window with a plurality of set points that each correspond with a specified instant in time within the delivery time window. The method also includes delivering the fluid according to the fluid delivery profile through a variable valve using the flow controller and a feedback signal from a flow sensor.
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Lee W.Young, “PCT International Search Report—Date of Mailing Sep. 22, 2008”.
Lee Brian
McDonald R. Michael
Smirnov Alexei V.
Zolock Michael John
Hepperle Stephen M
Hitachi Metals Ltd.
McCalister William
O'Dowd Neugeboren
O'Dowd Sean R.
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