Patent ID: 6406255
Filing Date: 2002-06-18
Classification: B01D,C02F,E21B

Abstract:
A pump device for pumping a slurry comprising:a motor having a shaft extending therefrom; a pump case having an inner cylindrical chamber, and wherein said inner cylindrical chamber receives said shaft, and wherein said pump case has an opening; a circular base positioned within said inner cylindrical chamber, said circular base including a center inlet area, and wherein said shaft is attached at said center inlet area; a first rotor blade and a second rotor blade extending vertically from said circular base and wherein said first rotor blade and said second rotor blade are disposed in radially opposing planes about said center inlet area; a first tail section having a concave section extending from a vertical section of said first rotor blade, wherein said concave section of said first tail section and said vertical section of said first rotor blade are connected by a blade side forming a first scoop of said first tail section; a second tail section having a concave section extending from a vertical section of said second rotor blade, wherein said concave section of said second tail section and said vertical section of said second rotor blade are connected by a blade side forming a second scoop of said second tail section; wherein said first tail section and said second tail section protrudes outward from said opening; a first plate member and a second plate member extending vertically from said circular base and wherein said first plate member and said second plate member are disposed in radially opposing planes about said circular base; a first cutter head rotatably attached to said pump case, said first cutter head comprising a first base attached to said pump case, said first cutter head having a first blade extending radially from said first base; and wherein said first blade is adapted to channel the slurry downward to said opening; a disposal conduit extending from said pump case and fluidly connected with said inner cylindrical chamber.