(under subclass 375) Apparatus in which the fluid motor is of the expansible chamber or pulsator or fluid link type, the motor working member thereof driving a pumping member which cooperates with a pumping chamber to cause alternate expansion and contraction thereof to pump fluid therefrom, the fluid expelled from said pumping chamber flowing serially therefrom through the expansible motor working chamber or the pulsator or fluid link chamber.
(1) Note. For the definition of pulsator or fluid link see this class, subclass 383.
