US PATENT SUBCLASS 137 / 247.31
.~.~ Tangential inlet flow

Current as of: June, 1999
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137 /   HD   FLUID HANDLING

247  DF  WITH LIQUID VALVES OR LIQUID TRAP SEALS {3}
247.11  DF  .~ Liquid seal in liquid flow line; flow liquid forms seal {8}
247.31.~.~ Tangential inlet flow

DEFINITION

Classification: 137/247.31

(under subclass 247.11) Devices wherein the flow enters a leg of the U-shaped passage tangentially to the axis of the leg.