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:
Jun. 19, 2001
Filed:
Mar. 26, 1999
Philippe Beaudoin, Monheim, DE;
Benoit Loiselet, Bois D'arcy, FR;
Abstract
The invention relates to a method of operating a furnace (,) comprising a flue pipe (,) for discharging the smoke, means (,) of introducing ambient air into the said flue pipe (,) and a smoke extractor (,) arranged in the said flue pipe (,). According to the method, the temperature of the smoke is measured at two points (,), the temperature measured at the second point (,) is subtracted from the one measured at the first point (,), the result of the subtraction is compared with a datum value &Dgr;T, and the ratio of the flow rate of fuel to the flow rate of oxidizing agent introduced into the furnace (,) is decreased when the result of the subtraction is below the datum value &Dgr;T.