US PATENT SUBCLASS 417 / 442
.~ Selectively usable plural inlet or outlet distributors for single chamber


Current as of: June, 1999
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417 /   HD   PUMPS

437  DF  EXPANSIBLE CHAMBER TYPE {40}
442.~ Selectively usable plural inlet or outlet distributors for single chamber


DEFINITION

Classification: 417/442

(under subclass 437) Apparatus in which a plurality of inlet or a plurality of outlet distributors are provided in a single chamber and means are provided for selectively disabling at least one of the plural distributors such that fluid may be supplied to or discharged from the chamber through different distributors at different times.

(1) Note. The use of all the distributors in one mode of operation and less than all the distributors in another mode of operation is included in this subclass.