US PATENT SUBCLASS 60 / 578
.~.~.~ Unitarily movable displacer delivers fluid from two delivery chambers, one chamber being ineffective under high pressure delivery

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}
574  DF  .~.~ Automatic control of plural stage pressure generation or utilization {3}
578.~.~.~ Unitarily movable displacer delivers fluid from two delivery chambers, one chamber being ineffective under high pressure delivery

DEFINITION

Classification: 60/578

(under subclass 574) Apparatus in which a single movable element forms a piston means that displaces fluid from two chambers toward the slave initially and later displaced it toward the slave from only one of the chambers.