Patent ID: 7278540
Filing Date: 2007-10-09
Classification: B01D,B07B

Abstract:
1. A vibratory separator comprising a base, a basket movably mounted on the base and for supporting screen apparatus for treating material introduced into the vibratory separator, the basket on the base and pivotable with respect thereto, vibratory apparatus connected to the basket for vibrating the basket, screen apparatus supported by the basket, the material flowing onto the screen apparatus for treatment, angle adjustment apparatus connected to the basket for adjusting angle of the basket, sensor apparatus connected to the vibratory separator for sensing a parameter indicative of basket angle and for providing a signal corresponding to said basket angle, control apparatus for receiving signals from the sensor apparatus and for controlling basket angle based on said signals, the angle adjustment apparatus including a rocker arm assembly with a first end and a second end, the first end pivotably mounted to the base adjacent and beneath a material input area of the vibratory separator and the second end adjacent and beneath a material exit end of the vibratory separator, the angle adjustment apparatus including movement apparatus with a part thereof in contact with the second end of the rocker arm assembly for moving the second end up and down to change basket angle, the movement apparatus controlled by the control apparatus, wherein the movement apparatus of the angle adjustment apparatus includes inflatable bladder apparatus which is selectively inflatable to raise and lower the rocker arm assembly, a plate projecting from the second end of the rocker arm assembly, the plate having a lower surface, and the inflatable bladder apparatus contacting the lower surface of the plate to move the rocker arm assembly to raise and lower the basket.