.~.~ Discharge conduit for first chamber communicates with nonpumping portion or second pumping member
DEFINITION
Classification: 417/522
(under subclass 521) Apparatus in which a conduit for the discharge of fluid from a first chamber is in direct communication with a nonpumping chamber containing a portion of the second pumping member other than the pumping face of said pumping member, said nonpumping chamber not constituting the inlet or outlet flow path for pump fluid to or from the pumping chamber containing the second pumping member so that the fluid discharged from said first chamber contacts such pumping member portion.
