Egg cooker
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Solution Overview
Problem
Cooking sunny side up eggs often results in uneven cooking of the whites and unsightly presentation of the yolks due to the lack of control over heat distribution and egg positioning during the cooking process.
Innovation Solution
An egg cooker device with a base ring and a transparent cover featuring a tunnel structure that allows egg whites to cook evenly while keeping the yolks above the heat, ensuring rapid cooking and a visually appealing presentation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If eggs are cooked in a skillet with direct heat contact, then cooking speed is improved, but heat distribution uniformity deteriorates causing uneven cooking of egg whites
Solution Approach 1:
The cooking system is segmented into multiple zones: a first region with direct heat contact for rapid cooking, and a second region with indirect heat contact for gentle cooking. This segmentation allows different parts of the egg (whites vs. yolk) to receive appropriate heat treatment simultaneously, resolving the contradiction between cooking speed and heat distribution uniformity.
Solution Approach 2:
Different regions of the cooking surface are given different thermal properties - the first region has high heat conduction for fast cooking while the second region has lower heat conduction for controlled cooking. This local differentiation of thermal characteristics enables simultaneous rapid and uniform cooking of egg components.
2Loss of time
If direct heat contact is used for rapid cooking, then cooking time is reduced, but yolk presentation deteriorates due to excessive heat exposure
Solution Approach 1:
The cooking surface is divided into a first region for rapid cooking and a second region for gentle cooking. The yolk is positioned in the second region where indirect heat contact prevents overheating and maintains aesthetic presentation, while the whites cook rapidly in the first region. This spatial segmentation resolves the contradiction between reduced cooking time and preserved yolk presentation.
Solution Approach 2:
A thermally conductive member acts as an intermediary between the heat source and the egg yolk, transferring heat at a controlled rate. This intermediary enables rapid overall cooking while protecting the yolk from direct intense heat, maintaining both cooking efficiency and yolk presentation quality.
3Ease of operation
If egg positioning is not controlled, then ease of operation is improved, but cooking uniformity deteriorates
Solution Approach 1:
The system provides self-positioning guidance through the differentiated thermal zones and physical structure of the cooking device. The first and second regions naturally guide the cook to place egg components in appropriate locations, and the thermally conductive member's geometry helps position the yolk correctly without requiring precise manual placement, thus maintaining ease of operation while ensuring cooking uniformity.
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 egg cooker ensures even and rapid cooking of the egg whites while maintaining the yolk's integrity, providing a pleasing presentation by controlling heat distribution and positioning, thus addressing the issues of uneven cooking and presentation in traditional methods.
Implementation Method 1
a thermally conductive member positioned on the cooking surface within the cooking device
Implementation Method 2
The length of tunnel 13 is selected so that when cover 17 is mounted on a cooking surface, the base at the bottom of tunnel is elevated over the cooking surface to a height that allows the white of egg 14 to pass under the base of tunnel 13 to the cooking surface under cover 17 while retaining the top of the yolk within the inside circumference of tunnel 13 and not under cover 17
Data Source
AI summary
An egg cooker includes a base band shaped to be placed on a cooking surface. A cover is connected to the base band. A tunnel within the cover is sized to allow contents of an opened egg to be poured through the tunnel and onto the cooking surface. A length of the tunnel is selected so that when the cover is mounted on the cooking surface, a base at a bottom of the tunnel is elevated over the cooking surface to a height that allows a white of the opened egg to pass under the base of the tunnel to the cooking surface under the cover, while retaining a top of a yolk of the opened egg within an inside circumference of the tunnel.