.~ Distributor part forms traversed movable pump chamber wall portion
DEFINITION
Classification: 417/509
(under subclass 437) Apparatus in which a part of the pump chamber wall which is traversed by the pumping member is movable and forms or carries a part forming a portion of a distributor which controls inlet or discharge of pump fluid to or from the pump chamber.
SEE OR SEARCH CLASS
91, Motors: Expansible Chamber Type,
276, and see the search notes therein, for cyclically operable expansible chamber motors in which the valve means is formed by a movable portion of the working chamber wall traversed by the working member.
