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.

Date of Patent:
Jun. 02, 2026

Filed:

Mar. 14, 2023
Applicant:

Daikin Comfort Technologies Manufacturing, L.p., Waller, TX (US);

Inventors:

Sien Fong Goh, Cypress, TX (US);

Jianmin Zhang, Katy, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F23D 14/48 (2006.01); F23D 14/62 (2006.01);
U.S. Cl.
CPC ...
F23D 14/48 (2013.01); F23D 14/62 (2013.01);
Abstract

A furnace assembly has a fuel gas manifold connectable to a fuel gas supply that has fuel gas nozzles connectable to inshot burners. Each burner fires a flame and includes an air entrance section and a static air mixer including vanes with the mixer configured to fully mix the flow of fuel gas and the flow of ambient air flowing through the mixer into a fully mixed mixture. Each burner also includes a metal fiber mesh burner surface defines a surface where combustion of the fully mixed mixture occurs to create the flame. The furnace assembly also includes a heat exchanger in communication with the inshot burners and comprising tubes and a blower downstream of the heat exchanger and in fluid communication with the tubes and operable to create a negative pressure in the heat exchanger and pull the flows of fuel gas and ambient air into the burners.


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Goh, Sien. (2026). Gas furnace with heat exchanger (U.S. Patent No. 12644596). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12644596

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