Assembly and method for restricting spinning in a gyratory...

Details Assembly and method for restricting spinning in a gyratory... Assembly and method for restricting spinning in a gyratory...

2009-05-29

2010-12-14

Rosenbaum, Mark (Department: 3725)

Solid material comminution or disintegration

Processes

Miscellaneous

C241S034000, C241S036000, C241S207000

Reexamination Certificate

active

07850103

ABSTRACT:
A crusher system includes a gyratory crusher, which has a crushing head, on which a first crushing shell is mounted; a frame, on which a second crushing shell is mounted; and a driving device, which is arranged to cause, by means of a rotating eccentric, the crushing head to execute a gyratory movement for crushing material. The crusher system includes a device for generating a signal that indicates the current tendency of the crushing head to spin; a device arranged to establish, based on the signal, a maximum allowable rotational speed for the eccentric; and a device arranged to adapt the rotational speed of the eccentric to a rotational speed that is lower than the maximum allowable rotational speed.

REFERENCES:
patent: 5575428 (1996-11-01), Cordonnier et al.
patent: 2003/0102394 (2003-06-01), Martinez, Jr. et al.

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