US PATENT SUBCLASS 137 / 170
.~.~.~ Movable trap chamber

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

154  DF  DIVERSE FLUID CONTAINING PRESSURE SYSTEMS {7}
156  DF  .~ Gas pressure discharge of liquids feed traps (e.g., to boiler) {3}
169  DF  .~.~ Gas pressure controlled by manual or cyclic means {1}
170.~.~.~ Movable trap chamber

DEFINITION

Classification: 137/170

(under subclass 169) Feed traps wherein the feed trap is moved into discharge relationship with the receiver for discharge and the controlling gas pressure is the pressure in the discharge receiver which may enable discharge of the liquid by the mere flow connection of the trap chamber to the receiver.

SEE OR SEARCH CLASS

222, Dispensing,

636, for fluid flow discharge from a movable trap chamber and subclasses 344+ for dispensers with movable trap chambers.

406, Conveyors: Fluid Current,

63+, for material intake into a fluid current conveyor and comprising successively registering pockets.