B - Operations – Transporting – 02 – C
Patent
B - Operations, Transporting
02
C
241/122
B02C 18/06 (2006.01) B02C 18/12 (2006.01) B02C 18/16 (2006.01) B02C 18/18 (2006.01)
Patent
CA 2007808
IMPELLER FOR COMMINUTER Abstract of the Disclosure An impeller for use in a comminuter of the type having a cylindrical comminuting chamber formed by a circular arrangement of free rotating vertical cutting rolls includes a circular baseplate rotatably mounted at the lowermost end of the comminuting chamber for horizontal rotation. A first planar impeller blade is affixed at a first end to the plate. The blade extends upwardly at an acute angle from the plate and terminates at a second end closely adjacent the cuttingrolls. The first blade is arranged to push the material in the bottom portion of the chamber in the direction of rotation of the baseplate and also to provide a component of force downward on the material. In one embodiment, a second impeller blade is affixed to the plate at a location diametrically opposed to the location of attachment of the first blade. The second blade extends upwardly at an acute angle from the plate and toward the cutter rolls in a direction opposite the first blade and also acts on the material in the comminuter in a downward direction. The blades each have a straight edge that is adjacent the other, but the blades are laterally offset so that they do not intersect. Each blade also has acurvilinear edge that is closely adjacent the cutter rolls. A motor is provided to rotate the impeller plate.
Com Corp Inc.
Hughes John H.
Smart & Biggar
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