Cooking Guard for Grease Splatter and Smoking
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Solution Overview
Problem
Existing cooking systems face challenges in preventing the flow of fat or oil from contacting the heating element, leading to issues such as smoking and grease splatter, which complicates operation and cleaning.
Innovation Solution
A guard is integrated into the cooking system that allows convective airflow while being impermeable to projectile matter, with adjustable permeability to manage airflow and fluid flow based on cooking modes, using materials like metal wire mesh or silicone to block fat/oil and permit air/vapor passage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a guard is added to block fat or oil from contacting the heating element, then smoking and grease splatter are reduced, but device complexity increases
Solution Approach 1:
A guard is introduced as an intermediary component positioned between the food/support body and the heating element. The guard selectively blocks projectile matter (fat, oil, grease) while permitting convective airflow to reach the heating element, thus reducing smoking and grease splatter without completely isolating the heating element from the cooking environment
Solution Approach 2:
The guard is constructed with a porous or mesh-like structure that allows air molecules to pass through via convection while physically blocking larger projectile matter such as fat droplets, oil splatter, and grease. This porous structure enables the guard to simultaneously achieve protection of the heating element and maintenance of cooking airflow
2Object-affected harmful factors
If the guard is made impermeable to block all matter, then projectile matter is blocked, but convective airflow is also blocked
Solution Approach 1:
The guard utilizes a porous structure with carefully designed pore sizes that are small enough to block projectile matter (fat, oil, grease) but large enough to permit convective airflow. The porosity allows air molecules to pass through while the physical structure of the porous material intercepts and blocks larger food particles and lipid droplets
Solution Approach 2:
The guard exhibits different permeability properties at different scales: it is impermeable to projectile matter (larger particles) while being permeable to air (smaller molecules). This local quality differentiation in permeability allows the single component to simultaneously achieve both blocking and airflow functions
3Object-affected harmful factors
If the guard structure is made complex to improve blocking efficiency, then projectile matter is better blocked, but ease of operation and cleaning deteriorates
Solution Approach 1:
The guard employs a porous structure that provides effective projectile matter blocking while maintaining a surface that does not trap food particles. The porous design allows for uniform distribution of blocking function across the entire surface, and the structure itself can be easily wiped or rinsed clean without requiring disassembly or special cleaning procedures
Solution Approach 2:
The guard serves multiple functions simultaneously: it blocks projectile matter, permits convective airflow, and is designed for ease of cleaning. The single-component guard structure integrates these functions without requiring additional separate components, thereby maintaining ease of operation and cleaning while achieving effective blocking
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 guard effectively reduces smoking and grease splatter, enhancing user experience by simplifying operation and cleaning, and ensuring efficient cooking performance across various modes.
Implementation Method 1
The guard is permissive of convective airflow between said hollow interior and said heating element
Implementation Method 2
a guard located between at least a portion of the support surface and said heating element... generally impermeable to projectile matter generated during a cooking operation
Data Source
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AI summary
A cooking system including a housing having a hollow interior, a heating element associated with said housing, a support body for supporting the food within said hollow interior such that the food is positionable on a support surface of said support body, and a guard located between at least a portion of the support surface and said heating element. The guard is permissive of convective airflow between said hollow interior and said heating element, and is generally impermeable to projectile matter generated during a cooking operation.