Split gas burner

Claim 2

In a gas-fired cooking grill: walls defining a cooking and smoke-retaining enclosure; a horizontal cooking rack disposed in said enclosure; a gas burner disposed below said coking rack, said burner being a unitary hollow metal structure defining at least two hollow arms which are provided with gas flame apertures and which extend horizontally under different halves of said rack, said hollow metal structure having at least one internal partition separating the interiors of said arms from each other; and separate adjustable gas-delivery means cooperating with each of said arms whereby the operator of the grill may adjust the temperature of said different parts of said cooking rack.

Claim 3

A gas-fired cooking grill as in claim 1 wherein said burner has two arms, one of said arms extending under approximately one-half of said cooking rack and the other of said arms extending under the other half of said cooking rack.

Claim 4

A gas-fired cooking grill as in claim 2 wherein said gas burner is H-shaped and wherein said internal partition divides the interior of said burner into two generally U-shaped arms.

Claim 5

A gas-fired cooking grill as in claim 2 wherein said gas burner is generally H-shaped and wherein said internal partition divides the interior of said burner into two generally straight parallel arms.

Claim 6

A gas-fired cooking grill as in claim 2 wherein said hollow metal structure is a one-piece integrally cast structure.

Claim 7

A cooking grill as in claim 2 wherein said burner has two downwardly facing gas inlet apertures disposed on opposite sides of said internal partition and wherein each gas-delivery means includes a vertically disposed, venturi mixer tube having an upper end secured to said burner and cooperating with one of said gas inlet apertures and a lower end disposed adjacent a fixed gas discharge fitting so as to receive gas therefrom, said grill further including means supporting said burner and said mixer tubes on said enclosure whereby the weight of said burner and said mixer tubes does not rest on said gas discharge fitting.

Claim 8

A gas burner for use in an environment where it is desired to provide two zones of different temperatures, said burner comprising an integrally cast hollow metal structure having a plurality of horizontal arms extending outwardly from a common chamber, said arms being provided with gas flame apertures over substantially their entire periphery, and a vertically disposed integrally cast internal partition within said chamber separating the interior of the hollow structure into two generally equal portions, said chamber having a bottom wall provided with two downwardly facing gas inlet apertures disposed on opposite sides of said partition, and an integrally cast foot depending from the bottom wall of each arm near the free end thereof for cooperating with a fixed support structure.

Claim 9

A gas burner for use in an environment where it is desired to provide two zones of different temperatures, said burner comprising an integrally cast hollow metal structure having a plurality of horizontal arms extending outwardly from a common chamber, said arms being provided with gas flame apertures over substantially their entire periphery, and a vertically disposed integrally cast internal partition within said chamber separating the interior of the hollow structure into two generally equal portions, said chamber having a bottom wall provided with two downwardly facing gas inlet apertures disposed on opposite sides of said partition, and an integrally cast foot depending from the bottom wall of each arm near the free end thereof for cooperating with a fixed support structure.

Claim 10

A gas burner as in claim 7 in combination with a cooking grill having a horizontal cooking rack, sidewalls surrounding said burner and said rack, and a bottom wall on which said burner feet rest.