US PATENT SUBCLASS 417 / 277
.~.~ Plural chambers connected to single pump chamber

Current as of: June, 1999
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417 /   HD   PUMPS

274  DF  CONDITION RESPONSIVE VARIABLE VOLUMETRIC CAPACITY EXPANSIBLE CHAMBER PUMP (I.E., CLEARANCE CONTROL) {1}
275  DF  .~ Valved clearance chamber {2}
277.~.~ Plural chambers connected to single pump chamber

DEFINITION

Classification: 417/277

(under subclass 275) Apparatus wherein a single expansible chamber has two or more clearance chambers connected thereto.