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:
Aug. 19, 2014
Filed:
Dec. 04, 2012
Applicant:
Utilization Technology Development, Nfp, Des Plaines, IL (US);
Inventors:
Shawn Matthew Scott, Mount Prospect, IL (US);
Lawrence Brand, Davis, CA (US);
Assignee:
Utilization Technology Development, NFP, Des Plaines, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F23N 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A gaseous fuel fired furnace having a vapor condensing flue gas vent conduit, a flue gas flow restrictor disposed in the vapor condensing flue gas vent conduit having a flue gas upstream side and a flue gas downstream side, and a condensate bypass conduit extending around the flue gas flow restrictor having a condensate inlet in fluid communication with the flue gas downstream side of the flue gas flow restrictor and a condensate outlet in fluid communication with the flue gas upstream side of the flue gas flow restrictor.