Patent ID: 7172144
Filing Date: 2007-02-06
Classification: B02C,G01N

Abstract:
1. A system for measuring wear in a mill having a shell and a wear plate affixed to an inside surface of said shell, comprising; a probe passing through said shell and said wear plate, said probe having a length extending through said wear plate and said shell, and an end extending flush with an exposed surface of said wear plate; said probe being mounted to said shell such that said end is exposed to a same abrasion as said wear plate; said probe also having a passage therein extending there along; a wire loop embedded in said passage; said wire loop extending to a distinct point along said probe; a mobile transmitter receiver mounted to said probe and being connected to said wire loop; said mobile transmitter-receiver having means for detecting broken loop condition in said wire loop; a base transmitter-receiver mounted in a remote location relative to said mill; communication means mounted in said mobile transmitter-receiver for transmitting said broken loop condition to said base transmitter-receiver, and means associated with said base transmitter-receiver for interpreting and relating said broken loop condition to a thickness of said wear plate.