Gas burner assembly for an oven appliance

Abstract

A gas burner assembly for an oven appliance is provided. The gas burner assembly includes a pair of burner tubes and a runner tube that extends between the pair of burner tubes. The gas burner assembly also includes features for obstructing a flow of gaseous fuel within the pair of burner tubes and / or directing gaseous fuel from the pair of burner tubes into the runner tube.

Description

FIELD OF THE INVENTION[0001]The present subject matter relates generally to oven appliances and gas burner assemblies of the same.BACKGROUND OF THE INVENTION[0002]Oven appliances generally include a cabinet that defines a cooking chamber for receipt of food items for cooking. Heating elements, such as gas burners, can be positioned within the cooking chamber to heat food items located therein. In certain oven appliances, a broil gas burner assembly is positioned at a top of the cooking chamber, and a bake gas burner assembly is positioned at a bottom of the cooking chamber. Performance of a gas burner assembly can be measured by its ability to provide heat uniformly and quickly over a large area.[0003]Certain oven appliances include gas burner assemblies having a single burner tube. Gas burner assemblies with a single burner tube can be inexpensive and easy to manufacture and / or prototype. However, the single burner tube is generally positioned down a center line of the oven applian...

AI Technical Summary

Benefits of technology

The present invention provides a gas burner assembly for an oven appliance that includes a pair of burner tubes and a runner tube. The gas burner assembly also includes features for obstructing a flow of gaseous fuel within the pair of burner tubes and directing gaseous fuel from the pair of burner tubes into the runner tube. The technical effects of the invention include improved gas burner efficiency, reduced gas consumption, and improved cooking performance.

Problems solved by technology

However, the single burner tube is generally positioned down a center line of the oven appliance, and achieving uniform heat intense in such a configuration can be difficult.

However, such non-tubular gas burners can be costly to manufacture and prototype.

Thus, such designs can have increased development times and thereby hamper modular use of such designs.

Further, the relatively high cost of prototyping such designs can limit use of such designs on multiple oven sub-systems which may have different design needs.

This approach suffers from certain difficulties.

However, once the long burner tubes are bent, ports in the bent areas deform.

This can make port sizing in such regions difficult to control.

Further, due to the excessive lengths of such burner tubes, pressure gradients from fuel flowing through the burner tubes can create non-uniform flow out of the ports and uneven heating and burning of gaseous fuel can result.

However, welding is costly and difficult to control, particularly at high production volumes.

In addition, internal wall pressure of the gas broil burners near the mixing throat, typically at the rear portion of the cooking chamber, can be low.

In turn, such low pressure can prevent placement of ports near the rear portion of the cooking chamber because such low pressure cannot support flame.

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