Solid material comminution or disintegration – Apparatus – Cooperating comminuting surfaces
Patent
1992-12-18
1994-05-03
Watts, Douglas D.
Solid material comminution or disintegration
Apparatus
Cooperating comminuting surfaces
241DIG38, B02C 1922
Patent
active
053080033
ABSTRACT:
A rotary auger of the type having a grinding chamber with a rear bulkhead separating the chamber from an equipment enclosure in which the housing for the bearing which supports the auger within the grinding chamber is removably mounted on an outboard face of the bulkhead such that the entire bearing housing, bearing, auger motor and screw may be removed from the bulkhead opening which receives the bearing housing. Consequently, it is not necessary for access to the grinding chamber, which may contain toxic or other hazardous material, to effect mounting or removal of the bearing housing, bearing, motor or auger screw. Accordingly, the bearing housing, bearing, auger motor and auger screw are structured as a cartridge which is mountable on the bulkhead. In a preferred embodiment, the bearing housing includes an outer member which is attached to the bulkhead and extends about the inner periphery of the opening in the bulkhead for receiving the cartridge. This single component is closely toleranced with the opening to eliminate the need for seals or purging lubrication between the bulkhead and outer member.
REFERENCES:
patent: 4253615 (1981-03-01), Koenig
patent: 4915308 (1990-04-01), Koenig
patent: 4931884 (1990-08-01), Koenig
patent: 4938426 (1990-07-01), Koenig
patent: 4993649 (1991-02-01), Koenig
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