IP Library › Granted Patent US 10,646,072
Granted Patent B2
US 10,646,072 · App. 15/703,452 · Granted May 12, 2020

Zonal barbecue grill with carryover provision

Inventor: Mallik Ahmed (Columbus, GA)
Assignee: W.C. Bradley Co.
A47J37/0713F23D14/70F23D2203/1012
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Quick Facts
Patent No.
US 10,646,072
App. No.
15/703,452
Granted
May 12, 2020
Kind
B2
Abstract

A cooking grill having a cooking grate, a plurality of gas burners arranged below the cooking grate, and at least one baffle between adjacent ones of the plurality of gas burners having an apex proximate the cooking grate and having a pair of opposite spaced apart walls extending downwardly at least to a level of the plurality of gas burners.

Claims (34)

1. A cooking grill comprising:

a cooking grate;

a plurality of gas burners arranged adjacent to one another below the cooking grate near a floor of a firebox supporting the cooking grate; and

at least one baffle between adjacent ones of the plurality of gas burners having an apex proximate the cooking grate and having a pair of opposite spaced apart walls extending downwardly at least to a level below a level of the plurality of gas burners;

at least one carryover tube passing through the at least one baffle to operationally connect the adjacent ones of the plurality of gas burners;

wherein the at least one baffle defines a pair of openings in a lower portion of the opposite spaced apart sidewalls through which the at least one carry over tube passes.

2. The cooking grill of claim 1 , wherein the at least one baffle extends to a floor of a firebox containing the gas burners and supporting the cooking grate.

3. The cooking grill of claim 1 , wherein the at least one baffle defines a plurality of independent cooking zones on the cooking grate, the plurality of zones being demarcated by the apex of the at least one baffle and each cooking zone being substantially functionally isolated from heat produced by a burner associated with the adjacent zone.

4. The cooking grill of claim 1 , wherein a plurality of baffles define a plurality of independent cooking zones on the cooking grate, the plurality of zones being demarcated by the apices of the plurality of baffles, and each cooking zone being substantially functionally isolated from heat produced by a burner associated with the adjacent zone.

5. The cooking grill of claim 1 , wherein the at least one baffle is arranged to run front to back below the cooking grate such that the cooking grate is divided into cooking zones that are arranged side by side on the cooking grate.

6. The cooking grill of claim 1 , wherein the plurality of burners comprise a plurality of tubular burners running front to back below the cooking grate.

7. The cooking grill of claim 6 , wherein a diffuser is positioned over one of the plurality of burners to spread convective heat across the cooking grate.

8. The cooking grill of claim 7 , wherein the diffuser comprises a perforated plate having an inverted-V cross section.

9. A cooking grill comprising:

a firebox having a plurality of burner tubes oriented front-to-back near a floor of the firebox;

a cooking grate supported above the burner tubes;

at least one thermally isolating baffle between a pair of adjacent burner tubes running front-to-back within the firebox and extending from a lower lever that is at least as low as the adjacent pair of burner tubes to an upper level proximate the cooking grate;

a passage defined through the at least one thermally isolating baffle in a lower portion of the thermally isolating baffle;

a carryover tube connecting the pair of adjacent burners and providing for flame carryover therebetween, the carryover tube passing through the passage defined through the at least one thermally isolating baffle.

10. The cooking grill of claim 9 , wherein the at least one thermally isolating baffle extends to a floor of the firebox below the plurality of burner tubes.

11. The cooking grill of claim 10 , wherein the baffle comprises a panel having an inverted-V shape with an apex proximate the cooking grate and spaced apart legs extending below the plurality of burner tubes.

12. The cooking grill of claim 11 , wherein the baffle comprises a pair of radiused sidewalls joining at a vertex proximate the cooking grate and extending apart below the plurality of burner tubes.

13. The cooking grill of claim 11 , wherein the baffle comprises a pair of vertical, spaced apart side walls extended to the firebox below the burner tubes and an upper inverted-V section with an apex proximate the cooking grate.

14. The cooking grill of claim 9 , further comprising a plurality of diffusers running front to back above one of the plurality of burner tubes, respectively.

15. A method comprising:

providing a cooking grill having a firebox and a cooking grate situated proximate a top of the firebox;

providing a plurality of tubular gas burners near a floor of the firebox;

providing a thermally isolating baffle between two adjacent ones of the plurality of tubular gas burners;

defining a passageway through the thermally isolating baffle in a lower sidewall of the baffle proximate the floor of the firebox; and

providing a carryover tube passing through the passageway to transport flame between the two adjacent gas burners.

16. The method of claim 15 , further comprising forming the thermally isolating baffle as a pair of spaced apart walls.

17. The method of claim 16 , further comprising arranging the thermally isolating baffle to extend from below the plurality of tubular gas burners to proximate the cooking grate.

18. The method of claim 17 , further comprising forming the thermally isolating baffle as an inverted V with an apex proximate the cooking grate.

19. The method of claim 18 , further comprising providing a diffuser below the cooking grate and above one of the plurality of tubular gas burners.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 8, 2018
From: AHMED, MALLIK
To: W.C. BRADLEY CO.
Reel/Frame 044562/0654 →
Continuity (2)
Provisional Application 62393983 · Sep 13, 2016
Related Publication 20180070770A1 · Mar 15, 2018