Multi-Component Microwave Food Packaging Steam Heating
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Solution Overview
Problem
Existing food packaging solutions fail to efficiently cook multiple food products with different heating requirements simultaneously in a microwave oven without overcooking or undercooking, as they lack effective methods to manage microwave radiation and steam distribution.
Innovation Solution
A multi-component food package comprising a lower and upper container, where the lower container heats a food product while shielding the upper container from microwave radiation and utilizing steam generated to heat the second food product, allowing for simultaneous cooking of items with varying cooking times.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If multiple food products with different heating requirements are cooked simultaneously in a microwave oven, then cooking time is reduced, but one product may be overcooked or undercooked due to uneven heating
Solution Approach 1:
The packaging is divided into multiple separate containers (first container and second container) that can be placed in the microwave oven simultaneously. Each container holds a different food product with different heating requirements, allowing independent control of heating for each product while cooking them at the same time.
Solution Approach 2:
Different containers are designed with different microwave shielding properties. The first container has a lid with microwave shielding material that reduces microwave penetration, while the second container has a lid without microwave shielding material that allows microwave penetration. This creates different heating environments for each product based on their specific requirements.
2Temperature
If microwave shielding material is used on container lids, then microwave radiation is reduced for products requiring less heating, but steam generation and heat transfer are impaired
Solution Approach 1:
The microwave shielding material is applied selectively to specific regions of the lid rather than the entire lid. The shielding material is positioned in areas where microwave radiation needs to be reduced, while other areas remain open or have different properties to allow steam venting and heat transfer.
Solution Approach 2:
The lid is divided into different functional zones: some portions contain microwave shielding material to reduce radiation, while other portions are designed for steam venting. This segmentation allows simultaneous achievement of microwave control and steam management.
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 uniform heating of both food products by controlling microwave radiation exposure and utilizing steam for additional heating, ensuring that both are cooked to the correct temperature without overcooking or undercooking.
Implementation Method 1
a microwave oven, heating the first and second food products together in the microwave oven
Implementation Method 2
the water vapor generated upon heating one of the food products is utilized for heating the other food product
Data Source
AI summary
A multi-component package is provided which enables simultaneous heat cooking of a food product which does not require a long cooking time and a food product which requires a longer cooking time. The multi-component package includes a lower container including a bottomed, lower container main body for containing a first food product. The container further includes an upper container including an upper container main body for containing a second filled food product. A flange of the lower container main body and a flange of the upper container main body are engaged with each other so that the lower container and the upper container are combined integrally. A vapor vent is provided in a lower container lid material, whereby water vapor generated upon heating of the first food product heats the second food product in the upper container.