US PATENT SUBCLASS 60 / 549
.~.~.~ Master structure provides non-overlapping periods of pressurization of diverse pressure ranges in distinct pulsator circuits

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}
547.1  DF  .~.~ With control of or by a separate power fluid, etc. {9}
549.~.~.~ Master structure provides non-overlapping periods of pressurization of diverse pressure ranges in distinct pulsator circuits

DEFINITION

Classification: 60/549

(under subclass 547) Apparatus in which the system is provided with structure providing for pressurization of distinct output circuits such that (1) there are periods when

only one of the circuits is being pressurized or (2) the pressures in the distinct circuits vary in relative magnitude.