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:
Sep. 09, 2014
Filed:
Jan. 20, 2011
Applicants:
Paul M. Haydock, Zionsville, IN (US);
Nitu Gupta, Westfield, IN (US);
Inventors:
Paul M. Haydock, Zionsville, IN (US);
Nitu Gupta, Westfield, IN (US);
Assignee:
Carrier Corporation, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F24H 3/06 (2006.01); F24H 3/10 (2006.01); F28D 1/03 (2006.01); F24H 8/00 (2006.01); F23J 15/06 (2006.01);
U.S. Cl.
CPC ...
F28D 1/035 (2013.01); Y02B 30/102 (2013.01); F24H 3/105 (2013.01); F24H 8/00 (2013.01); F23J 15/06 (2013.01); Y02E 20/346 (2013.01); Y02E 20/363 (2013.01);
Abstract
A compact furnace heat exchanger for a gas furnace is disclosed. The compact furnace heat exchanger may include a first pass having an inlet end, a second pass in fluid communication with the first pass through a first return bend, and a third pass having an outlet end and in fluid communication with the second pass through a second return bend. The third pass may further include a plurality of irregularities for optimizing performance of the compact furnace heat exchanger and the associated gas furnace.