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. 21, 1999
Filed:
Aug. 17, 1998
Applicant:
Inventors:
Jean-Claude Semedard, Paris, FR;
Pierre Gauville, Verrieres Le Buisson, FR;
Christian Enault, Fontenay Aux Roses, FR;
Assignee:
Gec Alsthom Stein Industrie, Velizy-Villacoublay, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F22B / ;
U.S. Cl.
CPC ...
122 / ; 110245 ;
Abstract
A boiler comprising a circulating fluidized bed hearth, a separator member for separating flue gas and solids extracted from the hearth, an external dense fluidized bed between the solids outlet of the separator member and the base of the hearth, the external bed containing a first heat exchanger in which a coolant fluid to be evaporated circulates. The outlet of the first heat exchanger is connected to a second heat exchanger placed in the hearth.