Microwave heating construct with venting features
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Solution Overview
Problem
Microwave ovens often cook food items unevenly and fail to achieve a balanced heating and browning or crisping effect, particularly for items like sandwiches and dough-based products.
Innovation Solution
A microwave heating construct featuring a planar platform with venting features and microwave energy interactive material, such as a susceptor, to enhance browning and crisping by directing and altering microwave energy distribution and carrying away moisture.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If microwave ovens are used to heat food items, then heating convenience is improved, but heating uniformity and browning/crisping capability deteriorate
Solution Approach 1:
The construct is divided into multiple functional segments: a platform for food placement, venting features for moisture removal, and microwave energy interactive material for targeted heating. This segmentation allows each component to perform its specific function, improving overall heating uniformity while maintaining convenience
Solution Approach 2:
The construct acts as an intermediary device between the microwave oven and the food item. It includes microwave energy interactive material that mediates the interaction between microwave energy and food, enabling controlled energy distribution and achieving browning/crisping effects that would otherwise be difficult to obtain
2Speed
If microwave energy is applied directly to food items, then heating speed is improved, but moisture control and browning capability deteriorate
Solution Approach 1:
The venting features extract moisture from the food item during the heating process. By providing dedicated pathways for moisture removal, the construct prevents moisture accumulation that would otherwise interfere with browning and crisping, while maintaining rapid heating speeds
Solution Approach 2:
The microwave energy interactive material is strategically positioned to create local zones of enhanced energy absorption and heat generation. This local concentration of thermal energy promotes browning and crisping at specific surfaces of the food item, while the venting features simultaneously manage moisture at different locations
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 ensures more even heating and effective browning or crisping of food items by using venting features to remove moisture and interactive materials to concentrate heat, improving the cooking outcome in microwave ovens.
Implementation Method 1
a susceptor for browning and/or crisping the food item
Implementation Method 2
The venting features allow for moisture to be carried away from the food item
Implementation Method 3
The venting features allow for moisture to be carried away from the food item
Data Source
Figure 1A~1C
Figure 1D~1G
AI summary
A microwave heating construct comprises a platform including microwave energy interactive material and a plurality of venting features. The venting features include a plurality of tabs that are urged out of the plane of the platform to define an aperture. The tabs are disposed beneath the platform to define a void in communication with the aperture.