Fluid handling – With means for separating solid material from the fluid – Movable strainer
Reexamination Certificate
2005-02-23
2011-11-01
Schneider, Craig (Department: 3753)
Fluid handling
With means for separating solid material from the fluid
Movable strainer
C137S550000, C251S315160, C422S131000
Reexamination Certificate
active
08047228
ABSTRACT:
This invention relates to a valve assembly comprising (a) a valve body defining a valve chamber, an inlet port and a discharge port, wherein the inlet port and discharge port communicate with the valve chamber; and (b) a valve member in the valve chamber, the valve member comprising a passage having (1) a first opening and (2) a second opening housing a filter having an inlet surface proximate to the inlet port and a discharge surface proximate to the discharge port, wherein the passage communicates with the inlet port and discharge port, and wherein the valve member is moveable to alternately juxtapose the inlet port and either the filter inlet surface or the filter discharge surface. The invention further relates to a particulate material metering and/or feed system comprising the valve assembly.
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Depierri Robert Gail
Meng John Louis
Mire Ronald Francis
Abdon Robert L.
ExxonMobil Chemical Patents Inc.
Faulkner Kevin M.
Reid Frank E.
Rost Andrew J
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