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. 18, 1984
Filed:
Jun. 18, 1981
Applicant:
Inventors:
Giovanni Beltrami, San Donato Milanese, IT;
Fulvio Formica, Sanzenone al Lambro, IT;
Assignee:
SNAM S.p.A., Milan, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F23N / ;
U.S. Cl.
CPC ...
431 12 ; 431 76 ; 236 / ; 374 37 ; 436137 ;
Abstract
A method and apparatus for controlling the heat load in a plant fed with natural gas of variable calorific value and density consisting of withdrawing a portion of gas from the feed line, burning it in a special combustion chamber, withdrawing the combustion products from the chamber, determining the quantity of free oxygen contained in the dry burnt gas and varying the volumetric throughput of the natural gas on the main line.