Cooking grate with adjustable heating characteristics
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Solution Overview
Problem
Existing cooking grills lack the ability to adjust the ratio of convective to radiative heat, limiting their versatility in cooking methods such as slow cooking with smoke, which requires specific heat profiles.
Innovation Solution
A multi-part cooking grate system comprising upper and lower sub-grates with V-shaped cooking members and cross-members that interfit to create different spacings, allowing for adjustable heating characteristics by altering the ratio of radiant to convective heat.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single fixed cooking grate configuration is used, then the device structure is simple, but the adaptability to different cooking styles is limited
Solution Approach 1:
The cooking grate is divided into multiple independent sub-grates that can be arranged in different configurations. Each sub-grate can be positioned separately to create variable spacing patterns, allowing users to switch between high radiant heat (tight spacing) and high convective heat (wide spacing) configurations without requiring a completely different grate structure.
Solution Approach 2:
The grate system transitions from a static fixed configuration to a dynamic reconfigurable system. The sub-grates are designed to be movable and adjustable, enabling users to change the spacing and arrangement based on cooking requirements. This dynamic adjustment capability provides versatility for different cooking styles while maintaining a relatively simple base structure.
2Temperature
If cooking members are spaced closely together, then radiant heating efficiency is improved, but convective heating capability is reduced
Solution Approach 1:
The spacing between cooking members is made dynamic rather than fixed. Users can adjust the spacing between sub-grates to optimize for either radiant heating (close spacing) or convective heating (wide spacing) based on the cooking task at hand, providing adaptability across different heating modes.
Solution Approach 2:
By segmenting the grate into adjustable sub-grates, the system allows selective control over spacing in different zones and configurations, enabling optimization of radiant vs. convective heat transfer characteristics for specific cooking requirements.
3Adaptability or versatility
If cooking members are spaced widely apart, then convective heating capability is improved, but radiant heating efficiency is reduced
Solution Approach 1:
The system enables dynamic adjustment of spacing to switch between convective optimization (wide spacing) and radiant optimization (close spacing). This reverses the previous contradiction by making the spacing adaptable rather than fixed, allowing users to select the appropriate configuration for their cooking needs.
4Adaptability or versatility
If a fixed grate configuration is used, then manufacturing and installation are simple, but cooking versatility for different heat profiles is limited
Solution Approach 1:
The grate is manufactured as separate modular sub-grates that can be produced using standard manufacturing processes. These modular units are then assembled in different configurations to achieve varied heat profiles, balancing manufacturing simplicity with cooking versatility.
Solution Approach 2:
The modular sub-grates are designed as universal components that can be used in multiple configurations for different cooking styles. This multi-functionality approach allows a single set of standardized parts to provide versatile cooking capabilities without requiring complex custom manufacturing for each configuration.
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
Enables the user to switch between high radiant and high convective heating configurations, enhancing cooking versatility and efficiency by adjusting the heat distribution on the cooking surface.
Implementation Method 1
Cooking with gas and charcoal grills may be done with a combination of convective heat, from hot gases of combustion, and radiant heat, from surfaces heated by such gases
Implementation Method 2
Cooking with gas and charcoal grills may be done with a combination of convective heat, from hot gases of combustion
Data Source
AI summary
A multi-part cooking grate with a lower sub-grate with a first plurality of V-shaped cooking members running along a length of the lower sub-grate and having a first predetermined spacing between the first plurality cooking members along a width of the lower sub-grate, and an upper sub-grate with a second plurality of V-shaped cooking members running along a length of the lower sub-grate and having a second predetermined spacing between the second plurality of cooking members along a width of the upper sub-grate.