Patent ID: 8210827

Claim:
A progressing cavity pump system comprising: a feeder assembly including a hopper for receiving material to be pumped therein, said feeder assembly including an auger housing receiving an auger therein, said auger housing having an underlying portion positioned generally below said hopper and having a radial opening open to said hopper, and an extension portion which is generally radially closed, said extension portion and said underlying portion being of a one-piece, seamless construction; and a progressing cavity pump including a rotor, a stator, an inlet and an outlet, said rotor being rotationally disposed inside said stator such that rotation of said rotor causes material in said pump to be pumped from said inlet toward said outlet, wherein said inlet is fluidly coupled to said extension portion and wherein said auger housing receives a supplemental auger therein and positioned generally adjacent to and parallel with said auger, and wherein said extension portion, in cross section, has a shape generally corresponding to two spaced apart, intersecting circles to closely conform to said augers.