US PATENT SUBCLASS 241 / 59
.~.~.~ With non-automatic gas flow control means


Current as of: June, 1999
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241 /   HD   SOLID MATERIAL COMMINUTION OR DISINTEGRATION

*  DD  APPARATUS {41}
38  DF  .~ Including means applying fluid to material {7}
47  DF  .~.~ Gas swept comminuting zone {9}
59.~.~.~ With non-automatic gas flow control means


DEFINITION

Classification: 241/59

(under subclass 47) Apparatus provided with means to control the flow of gas and/or through the comminuting zone.

SEE OR SEARCH THIS CLASS, SUBCLASS:

33, for automatic means to control the flow of gas.

SEE OR SEARCH CLASS

137, Fluid Handling, appropriate subclasses, particularly

594+, to 637+ for multiple valves.

209, Classifying, Separating, and Assorting Solids, 154, and 502, for gas flow control means in separators.

251, Valves and Valve Actuation, for valves, per se, for controlling gas flow.