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:
Nov. 23, 2004
Filed:
Mar. 03, 2003
Applicant:
Inventors:
Jacques Labasque, Champigny s/Marne, FR;
Jacques Segret, Paris, FR;
Assignee:
L'Air Liquide, S.A., Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02C 6/04 ;
U.S. Cl.
CPC ...
F02C 6/04 ;
Abstract
The heat recovery boiler ( ) is operated, at least temporarily, by feeding its combustion system with air ( ) and with a stream ( ) of flue gases ( ) recycled to a level of at least 45%, typically between 50 and 65%, so as to allow the efficiency of the boiler to be increased and to decouple it, at least temporarily, from the combustion engine ( ) driving a generator ( ), the exhaust gases from which are burnt in post-combustion mode in the boiler in cogeneration mode.