US PATENT SUBCLASS 417 / 533
.~.~ Common discharge conduit interposed between spaced parallel chambers


Current as of: June, 1999
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417 /   HD   PUMPS

437  DF  EXPANSIBLE CHAMBER TYPE {40}
521  DF  .~ Plural pumping chambers {7}
533.~.~ Common discharge conduit interposed between spaced parallel chambers


DEFINITION

Classification: 417/533

(under subclass 521) Apparatus in which two or more pumping chambers are positioned in spaced parallel relationship including a conduit positioned between said pumping chambers and at least partially lying within the axial limits of the pumping chambers, said conduit being in communication with the controlled discharge of each of said pumping chambers, so that each of said pumping chambers discharge into and through said conduit.

SEE OR SEARCH THIS CLASS, SUBCLASS:

539, for other pumps having laterally spaced parallel pumping chambers.