US PATENT SUBCLASS 261 / 42
.~.~ Multiple valves

Current as of: June, 1999
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261 /   HD   GAS AND LIQUID CONTACT APPARATUS

19  DF  FLUID DISTRIBUTION {5}
38  DF  .~ Valved {8}
42.~.~ Multiple valves {5}
43  DF  .~.~.~> Connected {4}
53  DF  .~.~.~> Contact space
54  DF  .~.~.~> Gas by-pass {3}
58  DF  .~.~.~> Liquid inlet {2}
61  DF  .~.~.~> Gas inlet and outlet

DEFINITION

Classification: 261/42

Comprising a plurality of valves controlling the fluids at different points, such as the gas inlet and outlet, the liquid inlet and outlet, gas and liquid by-pass, and at the place of contact.

(1) Note. Gas and liquid contact apparatus having a plurality of valves at one point are not included.