US PATENT SUBCLASS 137 / 624.14
.~.~.~ Self-cycling

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

561 R  DF  SYSTEMS {32}
624.11  DF  .~ Programmer or timer {5}
624.13  DF  .~.~ Repeating cycle {2}
624.14.~.~.~ Self-cycling

DEFINITION

Classification: 137/624.14

(under subclass 624.13) Subject matter powered by the fluid controlled by the valve.

SEE OR SEARCH THIS CLASS, SUBCLASS:

132+, for a periodically operated siphon.

386+, for a liquid level responsive or maintaining system where the control is related to an accumulated quantity of the main flow.

396+, for a tank which empties itself as often as filled to a given level.

SEE OR SEARCH CLASS

73, Measuring and Testing, 232+, for a material operated expansible chamber self cycling valve in a meter.