Dust seal for gyratory rock crushers

Details Dust seal for gyratory rock crushers Dust seal for gyratory rock crushers

1989-10-10

1990-04-24

Eley, Timothy V.

Solid material comminution or disintegration

Apparatus

Cooperating comminuting surfaces

241216, B02C 204

Patent

active

049193481

ABSTRACT:
A first annular seal member on the base of a gyratory rock crusher is associated with a second annular seal member on the crusher cone. These two seal members have cooperating spherical surfaces which rub slidably together in the gyratory movements. An air sealing chamber is formed by the sealing members and other portions of the crusher and is associated with an annular groove in the first seal member having an inlet with a forced air system in an arrangement wherein air currents intercept dust moving along the spherical surfaces and also carry such dust away from inner portions of the crusher.

REFERENCES:
patent: 2224542 (1940-12-01), Gruender et al.
patent: 3834633 (1974-09-01), Dougall et al.
patent: 4192472 (1980-03-01), Johnson
Nordberg promotion drawing.

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