Patent ID: 7322536
Filing Date: 2008-01-29
Classification: B02C

Abstract:
1. A control system for a rock crusher having a first feed of material through a rotor and at least one second feed of material in a cascade past the rotator, said control system being configured to control a cascade ratio of said crusher, wherein a portion of material entering the crusher is placed into cascade, and the remainder of said material entering the crusher is supplied to a crusher rotor, the control system including a processing arrangement, said processing arrangement being configured to receive a throughput signal from at least one throughput sensor, said processing arrangement also being configured to transmit at least one control signal to at least one control mechanism of the crusher, wherein at least one control signal or signals are transmitted to each control mechanism to adjust the amount of material entering the crusher rotor to provide a specific cascade ratio for said crusher in response to a randomly variable throughput for said crusher.