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:
Dec. 11, 1978
Applicant:
Inventors:
Robert P Lohmann, South Windsor, CT (US);
Stanley J Markowski, East Hartford, CT (US);
Assignee:
United Technologies Corporation, Hartford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F23D / ;
U.S. Cl.
CPC ...
431353 ; 431158 ; 431284 ; 60746 ; 60748 ;
Abstract
A fuel injection system for low emission burners in which the primary fuel is delivered in an annular spray into the primary combustion zone; at high power operation, secondary fuel is injected additionally in a low angle axial spray to penetrate beyond the primary zone and into the secondary combustion zone downstream of the primary zone.