Conical-shaped impact mill

Details Conical-shaped impact mill Conical-shaped impact mill

2011-01-04

2011-01-04

Rosenbaum, Mark (Department: 3725)

Solid material comminution or disintegration

Apparatus

Series material flow only through plural comminuting zones

C241S162000, C241S261100, C241S286000, C241S294000

Reexamination Certificate

active

07861958

ABSTRACT:
An impact mill including a base portion on which is disposed a rotor rotatably mounted in a bearing housing, the rotor having an upwardly aligned cylindrical surface portion coaxial with the rotational axis. The impact mill is provided with a mill casing within which is located a conical track assembly which surrounds the rotor to form a conical grinding path. The mill casing is provided with a downwardly aligned cylindrical collar which may be axially adjusted to set a grinding gap between the rotor and the mill casing. The rotor is provided with a plurality of impact knives complementary with a plurality of impact knives disposed on the inside top surface of the mill casing. The conical track assembly can be a series of assembled conical sections or one unit with varied number of serrations in either a vertical or sloped configuration. This flexibility allows for greater compatibility with the feedstock being milled.

REFERENCES:
patent: 31492 (1861-02-01), Stewart
patent: 4634061 (1987-01-01), Williams
patent: 2009/0134257 (2009-05-01), Waznys et al.
patent: 27 36 349 (1979-02-01), None
patent: 93 13 930 (1993-11-01), None
patent: 93 09 448 (1994-11-01), None

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