Food steamer
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Solution Overview
Problem
Existing food steamers often result in uneven cooking due to inconsistent steam distribution, particularly affecting foods near the top of the container, and lack automated safety features and efficient cooking capabilities.
Innovation Solution
A food steamer design that directs steam from the base through the lid into the cooking container, featuring a control unit that automatically deactivates steam generation when the lid is removed and includes user-selectable preprogrammed cooking modes, ensuring even cooking and enhanced safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If steam is directed from below into the cooking container, then the steamer structure is simple, but the cooking uniformity deteriorates
Solution Approach 1:
The patent inverts the conventional steam delivery approach by directing steam from above (through the lid) rather than from below. This inversion ensures that steam flows downward onto the food surface, achieving uniform cooking across all food items including those at the top of the container, while maintaining structural simplicity.
2Productivity
If the steamer allows continuous operation for high productivity, then cooking output increases, but safety deteriorates due to potential lid removal during operation
Solution Approach 1:
The patent incorporates a lid position sensor that provides feedback to the control system. When the lid is detected as removed or open, the system automatically interrupts steam generation. This feedback mechanism maintains safety during continuous operation by preventing steam release when the container is exposed, while allowing high productivity when the lid is properly closed.
3Device complexity
If manual operation is used for simplicity, then device complexity is low, but automation level deteriorates
Solution Approach 1:
The patent implements self-service automation through pre-programmed cooking modes that automatically select appropriate steam delivery parameters, timing, and temperature settings based on the selected food type. The system autonomously manages the cooking process without requiring manual intervention, achieving high automation while keeping the user interface simple.
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 steamer achieves more efficient and uniform cooking by directing steam from above, ensuring all food items are cooked consistently, while the automated features enhance safety and convenience by preventing steam generation unless the lid is properly in place.
Implementation Method 1
a boiler housed within the base, a steam flow pathway extending from said boiler to said lid for directing steam generated by said boiler
Data Source
AI summary
A food steamer includes a base, a cooking container receivable by said base, a lid receivable atop said cooking container, a boiler housed within the base, a steam flow pathway extending from said boiler to said lid for directing steam generated by said boiler into said container through said lid, a control unit configured to control operation of said food steamer in response to a user input. The control unit is configured to automatically deactivate the boiler when the lid is removed from the cooking container.