US PATENT SUBCLASS 60 / 543
.~.~.~ Self-operated pulse fluid purge or quantity adjustment structure

Current as of: June, 1999
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60 /   HD   POWER PLANTS

325  DF  PRESSURE FLUID SOURCE AND MOTOR {47}
533  DF  .~ Pulsator {25}
537  DF  .~.~ Programmed, self-cycled or self-pulsed {7}
543.~.~.~ Self-operated pulse fluid purge or quantity adjustment structure

DEFINITION

Classification: 60/543

(under subclass 537) Apparatus including structure by which fluid is transferred automatically during the cycling of the apparatus into or out of a master-slave unit or between two master-slave units.

SEE OR SEARCH CLASS

417, Pumps,

385+, for a pump driven by a pulsator, the pulsator having structure by which it is supplied with pulse fluid or vented.