.~ Moving partition or cylinder of rotary pump forms or actuates reciprocating pump
DEFINITION
Classification: 417/204
(under subclass 199.1) Apparatus in which one of the pumps is of the rotary expansible chamber type having a partition (i.e., vane or abutment) or cylinder which moves incident to rotation of the pump, the partition or cylinder constituting or being directly connected to a piston which reciprocates upon movement of the partition or cylinder, the piston operating within a chamber and forming therewith a reciprocating expansible chamber pump.
