US PATENT SUBCLASS 417 / 345
.~.~.~.~ Control by single member responsive to position of each of plural working members

Current as of: June, 1999
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417 /   HD   PUMPS

321  DF  MOTOR DRIVEN {32}
338  DF  .~ Relatively movable pumping members driven by relatively movable working members {1}
339  DF  .~.~ Nonrotary pumping and fluid motor working members {5}
344  DF  .~.~.~ Position of one working member controls motive fluid valve for another {2}
345.~.~.~.~ Control by single member responsive to position of each of plural working members

DEFINITION

Classification: 417/345

(under subclass 344) Apparatus in which the control valve means comprises either (1) a multiway valve or (2) plural valve means and a single element for actuating each of the valve means said control valve means controlling motive fluid for the plural working members or actuating fluid for fluid

operated valves which control motive fluid for the plural working members, each of said working members, either jointly or successively, operating said single element or said multiway valve.