Double Oven Burner Layout for Even Cooking and Venting
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current double oven appliances face issues with excess heating and venting due to centrally located burners, leading to uneven cooking and reduced usable chamber volumes when attempting to relocate burners to address these issues.
Innovation Solution
The placement of baking gas burners adjacent to the bottom wall of the upper cooking chamber, with at least a portion spaced from the center point along the lateral direction, eliminates the need for flame spreaders and allows for even cooking while maintaining or increasing the usable volume of the lower cooking chamber by positioning burners off-center.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single, centrally located baking gas burner is used adjacent the lower wall of the upper cooking chamber, then the heating structure is simple, but excess heating of the lower wall occurs leading to uneven cooking and overcooking
Solution Approach 1:
The single central baking gas burner is segmented into multiple burners (at least two) positioned at different locations adjacent to the bottom wall of the upper cooking chamber. This segmentation allows heat to be distributed more evenly across the chamber without requiring complex flame spreader mechanisms, thereby maintaining structural simplicity while improving cooking uniformity.
Solution Approach 2:
The burners are positioned asymmetrically relative to the center of the upper cooking chamber, with at least one burner offset from the central axis. This asymmetric positioning, combined with the segmented configuration, creates more uniform heat distribution patterns across the chamber volume, eliminating the hot spots and uneven cooking caused by centralized burner placement.
2Ease of operation
If a single, centrally located broiling gas burner is used in the upper cooking chamber adjacent the upper wall, then the broiling function is achieved, but the venting stack height is insufficient requiring larger cross-sectional vent area and excess venting
Solution Approach 1:
The broiling gas burner is repositioned from a vertical position within the upper cooking chamber to a horizontal position adjacent to the bottom wall of the upper chamber (which is also the top wall of the lower chamber). This dimensional repositioning allows the burner to be located in the space between the chambers rather than occupying volume within the lower chamber, thereby maintaining broiling functionality while preserving usable volume in the lower cooking chamber.
3Object-generated harmful factors
If the broiling gas burner is moved to the lower cooking chamber to reduce venting issues, then venting is improved, but the usable volume of the lower cooking chamber decreases
Solution Approach 1:
Instead of moving the broiling burner down into the lower cooking chamber volume, the burner is repositioned to the interface region between the upper and lower chambers, adjacent to the bottom wall of the upper chamber. This positional change in a different dimension (from within-chamber to inter-chamber location) allows the burner to be positioned where it can serve the upper chamber for broiling while not encroaching on the usable volume of the lower chamber.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This configuration reduces excess heating and venting issues, ensuring even cooking and maintaining or increasing the usable volume of the lower cooking chamber, preventing overheating and overcooking.
Implementation Method 1
a baking gas burner disposed adjacent the bottom wall of the upper cooking chamber and configured to heat the upper cooking chamber
Data Source
AI summary
Double oven appliances are provided. In one embodiment, a double oven appliance includes a cabinet that extends between a top portion and a bottom portion along a vertical direction, an upper cooking chamber defined adjacent the top portion of the cabinet, the upper cooking chamber including a top wall and a bottom wall spaced apart along the vertical direction, and a lower cooking chamber defined adjacent the bottom portion of the cabinet, the lower cooking chamber including a top wall and a bottom wall spaced apart along the vertical direction. The double oven appliance further includes a baking gas burner disposed adjacent the bottom wall of the upper cooking chamber and configured to heat the upper cooking chamber, at least a portion of the baking gas burner spaced from a center point of the upper cooking chamber along a lateral direction.