Diffusion Cap Burner Structure for Even Gas Cooktop Heating
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Solution Overview
Problem
Conventional gas cooking appliances with gas burners lack an efficient design for heat diffusion, leading to uneven heat distribution and reduced efficiency in cooking processes.
Innovation Solution
A gas cooking appliance featuring a frustoconically-shaped crown with a cover and shell configuration, creating a hollow chamber that enhances heat distribution by positioning the cap between 21 mm and 25 mm above the crown, with specific geometric angles and dimensions that optimize gas flow and flame positioning for improved heat diffusion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If a conventional gas burner design is used, then the structure is simple, but heat distribution is uneven and heat transfer to the cooktop is excessive
Solution Approach 1:
The burner is divided into distinct functional components: a crown with gas ports for controlled gas distribution, a hollow chamber for flame containment and heat diffusion, and a cover to direct heat away from the cooktop. This segmentation allows each component to optimize its specific function, resulting in improved heat distribution and reduced energy loss to the cooktop.
Solution Approach 2:
The invention introduces a vertical dimension to heat diffusion by positioning the hollow chamber above the crown and using a frustoconically-shaped crown with an inclined annular surface. This three-dimensional configuration diffuses heat in multiple directions, particularly away from the cooktop surface, rather than concentrating heat directly downward.
2Temperature
If the cap is positioned close to the crown, then the structure is compact, but heat diffusion efficiency is reduced
Solution Approach 1:
The invention optimizes the distance parameter between the crown and cover, specifying that the cover be positioned between 21 mm and 25 mm above the crown. This parameter optimization allows sufficient space for effective heat diffusion while maintaining a relatively compact overall structure. The frustoconical shape with specific angles (30-45 degrees) further optimizes the spatial parameters for heat diffusion.
3Temperature
If gas ports are concentrated in one area, then the gas flow path is short, but flame distribution is uneven
Solution Approach 1:
The gas delivery system is segmented into multiple gas ports distributed around the crown's perimeter rather than concentrated in one location. This segmentation creates multiple flame sources that distribute heat more evenly across the cooking surface. The inclined annular surface of the crown further segments and directs gas flow along its slope, enhancing uniform flame distribution.
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
The design enhances heat distribution and efficiency by diffusing heat away from cooking utensils, reducing heat transfer to the cooktop and improving cooking performance, particularly at low simmer settings.
Implementation Method 1
The design enhances heat distribution and efficiency by diffusing heat away from cooking utensils
Implementation Method 2
The shell defines a hollow chamber positioned between the crown and the cover... diffusing heat away from cooking utensils
Implementation Method 3
enhances heat distribution by diffusing heat away from cooking utensils, reducing heat transfer to the cooktop
Data Source
AI summary
A gas burner for a cooking appliance includes a frustoconically-shaped crown having a plurality of gas ports defined therein, a cover positioned above the crown, and a shell secured to the cover and positioned on the crown. The shell defines a hollow chamber positioned between the crown and the cover.