The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 28, 2004
Filed:
Jan. 22, 2002
Applicant:
Inventors:
Robert K. Brown, Abingdon, MD (US);
Mark J. Zolenas, Upper Falls, MD (US);
Assignee:
ISG Technologies Inc., Richfield, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21B 5/00 ;
U.S. Cl.
CPC ...
C21B 5/00 ;
Abstract
A system for monitoring coal flow through a coal delivery tube in a blast furnace fuel injection system is disclosed, which system automatically actuates a purge cycle for clearing accumulations of coal from a coal lance when a temperature drop indicative of an imminent blockage is detected. A method of controlling the purge system is also disclosed.