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. 27, 1994
Filed:
Dec. 15, 1992
Applicant:
Inventors:
Bernard Goussu, Guyancourt, FR;
Samuel Thobois, Guyancourt, FR;
Assignee:
Stein Industrie, Velizy-Villacoublay, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F23C / ; F22B / ;
U.S. Cl.
CPC ...
110234 ; 110204 ; 1101 / ; 1224792 ;
Abstract
A boiler having vertical walls of large size constituted by screens of heat exchanger tubes, fitted with a flue gas recycling circuit, and including a prismatic bottom portion referred to as an 'ash box'. The recycled combustion gases are fed via at least one duct that opens out into one of the end walls of a hopper disposed beneath the ash box.