Patent Number: 8,820,535

Title: Classifier with variable entry ports

Abstract: Multiple embodiments of a variable flow classifier for vertical air-swept coal pulverizers are disclosed. In all embodiments, a classifier structure includes a cone with means for providing a pattern of inlet ports for introducing airborne coal to the cone wherein said means allows for selective variation in the size of the ports.

Inventors: Wark; Rickey E. (Spring, TX)


International Classification: B07B 4/02 (20060101)

Expiration Date: 9/02/12018