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:
May. 05, 1981
Filed:
Mar. 15, 1979
Applicant:
Inventors:
Robert D Reed, Tulsa, OK (US);
Merle A Bengston, Tulsa, OK (US);
Assignee:
John Zink Company, Tulsa, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F23D / ;
U.S. Cl.
CPC ...
431-3 ; 431 29 ; 431202 ;
Abstract
In a flare system for waste gases, apparatus is provided for controlling the flow of purge gas into the flare gas line, as required, and not on a continuing basis. Sensor means are provided for detecting a change in temperature in the flare gas line, and means are provided for controlling the flow of purge gas whenever the temperature in the flare gas line changes to a lower value. No purge gas flow is required when the temperature is constant or when the temperature is rising.