Solid material comminution or disintegration – Apparatus – Including means applying fluid to material
Patent
1991-07-26
1992-10-20
Echols, P. W.
Solid material comminution or disintegration
Apparatus
Including means applying fluid to material
2411017, 241190, B02C 1310
Patent
active
051563452
ABSTRACT:
An apparatus for processing yard waste material such as branches, leaves, twigs or the like includes a hopper, a grinding mechanism disposed within a grinding chamber in communication with the hopper, and a fan mechanism disposed within a fan chamber in communication with the grinding chamber. The fan mechanism includes a plurality of fan blades which generate negative air pressure upon rotation of the fan mechanism, and the negative air pressure is communicated through the grinder housing to the hopper. Material is drawn from the hopper into the grinding chamber by the negative air pressure, where the material is ground and then drawn into the fan chamber. A discharge passage is formed in the fan chamber, to convey the ground material to a discharge outlet associate with the fan chamber. A hose assembly can be employed as an alternative to the hopper for supplying the material to the grinding chamber. A chipper assembly, consisting of one or more chipper knives is mounted to the fan mechanism and rotatable therewith, and a chipper opening is formed in a wall of the fan housing to allow branches or the like to be chipped.
REFERENCES:
patent: 3240247 (1966-03-01), Lautzenheiser
patent: 3712353 (1973-01-01), Ferry
patent: 3817462 (1974-06-01), Hamlin
patent: 4824034 (1989-04-01), Baker
patent: 4875630 (1989-10-01), Carlson
patent: 4951882 (1990-08-01), Ober
patent: 5018672 (1991-05-01), Peck et al.
patent: 5085376 (1992-02-01), Litchenburg
Echols P. W.
Husar John M.
Tornado Products, Inc.
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