Elevated Microwave Heating Platform for Even Browning
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Solution Overview
Problem
Microwave ovens often cook food items unevenly, failing to achieve a balanced heating and browning of the crust, particularly for dough-based products like pizzas and sandwiches.
Innovation Solution
A microwave heating construct with a platform and side members that elevate the food item, incorporating a microwave energy interactive element such as a susceptor to enhance heating efficiency, and featuring a collapsible design for convenient packaging and use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a food item is placed directly on the turntable or floor of a microwave oven, then the packaging is simple and easy to manufacture, but heat is lost to the turntable or floor resulting in poor heating efficiency and uneven cooking
Solution Approach 1:
The patent introduces a third dimension by elevating the food item vertically above the turntable surface using support legs. This dimensional change creates an insulated air gap that prevents direct thermal contact between the food and the cold turntable, thereby reducing heat loss while maintaining packaging simplicity through a collapsible design that compactly stores the support structures during shipping.
Solution Approach 2:
The patent introduces an intermediary insulating air gap between the food item and the turntable surface. This air gap acts as a thermal barrier that reduces heat transfer to the turntable, allowing more heat to be retained for cooking the food. The air gap is created by collapsible support legs that elevate the food platform during use but compact during shipping.
2Device complexity
If a food item is placed directly on the turntable or floor of a microwave oven, then the device structure is simple, but heating efficiency is poor and the crust does not brown or crisp properly
Solution Approach 1:
The patent introduces a third dimension by elevating the food item vertically above the turntable surface using support legs. This dimensional change creates an insulated air gap that prevents direct thermal contact between the food and the cold turntable, thereby reducing heat loss while maintaining packaging simplicity through a collapsible design that compactly stores the support structures during shipping.
Solution Approach 2:
The patent employs dynamic, collapsible support legs that can transition between an extended elevated position during cooking and a collapsed compact position during shipping and storage. This dynamic feature allows the construct to adapt between transportation and usage states, providing enhanced heating efficiency when needed while maintaining simplicity during logistics.
3Loss of energy
If a rigid elevated platform is used to elevate the food item, then heating efficiency is improved, but the packaging volume increases and storage becomes difficult
Solution Approach 1:
The patent employs dynamic, collapsible support legs that can transition between an extended elevated position during cooking and a collapsed compact position during shipping and storage. This dynamic feature allows the construct to adapt between transportation and usage states, providing enhanced heating efficiency when needed while maintaining simplicity during logistics.
Solution Approach 2:
The patent implements a nesting principle where the collapsible support legs fold underneath the food platform when not in use, creating a compact nested structure. This nesting allows the elevated heating construct to be stored in a minimal volume during shipping and storage, while still providing full elevation functionality during the cooking process to improve heat retention.
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 construct improves microwave heating efficiency by retaining heat and directing it towards the food item, resulting in more even heating and browning of the crust, while the collapsible design allows for easy packaging and use.
Implementation Method 1
a microwave energy interactive element joined to at least a portion of the platform... The microwave energy interactive element may comprise a susceptor... The layer of microwave energy interactive material may be operative for converting at least a portion of impinging microwave energy into thermal energy
Implementation Method 2
By elevating the food item in this manner, more heat is retained by and/or directed to the food item, rather than being lost to the turntable or to the floor of the microwave oven
Data Source
Figure 1A~1B
Figure 1C
Figure 1D~1E
AI summary
A construct for heating, browning, and/or crisping a food item in a microwave oven comprises a platform having a first surface substantially defined by a microwave energy interactive element and a pair of side members joined to the platform along respective lines of disruption. The side members extend upwardly and downwardly from the plane of the platform.