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. 25, 1990
Filed:
Dec. 23, 1985
Yoshio Yoshino, Kitakyushu, JP;
Koji Tsuchihashi, Kitakyushu, JP;
Yoshihiro Omae, Kitakyushu, JP;
Kenzo Tsujikawa, Kitakyushu, JP;
Yukio Yamaguchi, Kawasaki, JP;
Mitsubishi Kasei Corporation, Tokyo, JP;
Abstract
A method fo controlling fuel for a coke oven by a programmed heating method in which the fuel supply rate is changed at least once during the coal carbonization process in the coke oven, wherein the improvement comprises conducting the substantial reduction of the fuel supply rate from a large flow rate at the initial stage of the carbonization to a small flow rate inclusive of a zero rate when the coal center temperature, i.e. the temperature at the center of the coal packed in the carbonization chamber, is within a range of from 350.degree. to 700.degree. C.