Inward fired ultra low NOx insulating burner flange

Patent metadata

Field	Value
Publication number	US-11460189-B2
Application number	US-201916697311-A
Country	US
Kind code	B2
Filing date	Nov 27, 2019
Priority date	Jul 9, 2015
Publication date	Oct 4, 2022
Grant date	Oct 4, 2022

Abstract

A collar configured to couple a burner to a partition plate is provided including a body having a diameter configured to couple to a diameter of the burner. A flange extends outwardly from the body. The collar is formed from a heat resistance material such that heat transfer between the burner and the partition plate is limited.

First claim

The invention claimed is:

1. A burner assembly, comprising:
a burner tube having an outlet end; and
a collar formed from a material capable of withstanding a temperature of up to 2300° F., the collar including a body and a flange extending radially outwardly from the body, wherein the collar is removably coupled to the burner tube such that a portion of the burner tube and a portion of the body of the collar are arranged concentrically, the flange being arranged centrally relative to the body and adjacent to the outlet end of the burner tube, wherein at least one opening is formed in a peripheral wall of the body downstream from the flange and the outlet end of the burner tube.

2. The burner assembly of claim 1 , further comprising a partition plate having an embossment formed therein, wherein the flange is receivable within the embossment.

3. The burner assembly according to claim 2 , wherein when the flange is positioned within the embossment, the flange does not extend beyond a plane defined by an adjacent surface of the partition plate.

4. The burner assembly according to claim 1 , further comprising a partition plate having an opening, wherein a first portion of the body is arranged adjacent to a first side of the flange and a second portion of the body is arranged adjacent to a second, opposite side of the flange, the first portion of the body axially overlapping the burner tube and the second portion of the body extending through the opening.

5. The burner assembly according to claim 4 , wherein the partition plate further comprises a carryover opening, the at least one opening being configured to align with the carryover opening.

6. The burner assembly according to claim 1 , wherein the collar is formed from a ceramic material.

Assignees

• Carrier Corp

Inventors

• Shaw Robert
• Garloch Duane D
• Kamm Nicholas

Classifications

• F23D14/02

  Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone · CPC title

• F23C5/02 Primary

  Structural details of mounting · CPC title

• F23C5/08

  Disposition of burners · CPC title

• F23D23/00

  Assemblies of two or more burners (gas burners with provision for a retention flame F23D14/26) · CPC title