US PATENT SUBCLASS 73 / 863.02
.~.~ Quantity or rate of flow responsive

Current as of: June, 1999
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73 /   HD   MEASURING AND TESTING

863  DF  SAMPLER, SAMPLE HANDLING, ETC. {11}
863.01  DF  .~ Automatic control {1}
863.02.~.~ Quantity or rate of flow responsive {1}
863.03  DF  .~.~.~> Rate of sample flow continuously controlled

DEFINITION

Classification: 73/863.02

Quantity or rate of flow responsive:

(under subclass 863.01) Subject matter wherein the condition sensed is either the source flow volume or source speed relative to the sampler.

(1) Note. The sensor is frequently a pressure or level-responsive element.