B - Operations – Transporting – 02 – C
Patent
B - Operations, Transporting
02
C
241/118
B02C 19/22 (2006.01) B30B 11/24 (2006.01)
Patent
CA 2015333
A tapered auger shredder which includes a frame defining a grinding chamber with a front wall having a centrally-located discharge opening and a rear wall mounting a powered auger screw having a flighted shaft extending through the chamber and into the discharge opening. The auger screw and shaft are tapered and the screw flight is correspondingly tapered so that the volume pumped by the screw along the length of the shaft remains substantially constant, or the rate of compression is substantially reduced, to provide consistent flow of material to the discharge opening and reduce build up of material against the front wall. In a preferred embodiment, the screw includes a torque transmission collar which extends between a disc-shaped base plate supporting the screw and the first flight turn and acts to prevent jamming of material between the base plate and underside of the first turn as well as transmit rotational torque from the disc to the shaft and flight.
royeur à vis sans fin conique qui comprend un bâti formant un compartiment de broyage muni d'une paroi avant dotée d'une ouverture de décharge centrale et d'une paroi arrière qui comporte une vis mécanique avec un puits à raclette qui traverse le compartiment et se rend à l'ouverture de décharge. La vis et le puits sont de forme conique et la raclette a une forme correspondante afin que le volume refoulé par la vis le long du puits demeure constant, ou que le taux de compression soit réduit, pour régulariser le débit du matériel vers l'ouverture de décharge et diminuer l'accumulation du matériel à la paroi avant. Dans un des modèles préférés, la vis comporte un collier de transmission de moment qui se trouve entre une plaque d'appui en forme de disque qui supporte la vis et le premier tour et empêche le blocage du matériel entre la plaque d'appui et le dessous du premier tour et transmet un moment de torsion à partir du disque vers le puits et la raclette.
Gowling Lafleur Henderson Llp
Koenig Larry E.
LandOfFree
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