Cooking device and method of using
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Solution Overview
Problem
Existing methods for cooking sunny-side-up eggs in microwave or rapid cook ovens fail to achieve a runny yolk while maintaining a crispy white, often resulting in overcooking, rubbery texture, and the risk of explosion due to superheating, lacking a commercial solution for consistent and safe preparation.
Innovation Solution
A cooking device with a base containing a susceptor and insulator, a yolk cap with phase change material, and a lid with a shield, designed to cook eggs in a microwave or rapid cook oven, where the yolk cap slows down yolk cooking and the shield protects against microwave radiation, allowing for precise temperature control and even heating.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If eggs are cooked in microwave or rapid cook oven, then cooking time is reduced, but the yolk becomes overcooked and the texture becomes rubbery
Solution Approach 1:
The cooking device segments the egg into two distinct zones: the yolk is covered by a microwave-transparent shield that blocks direct microwave exposure, while the white is exposed to microwave radiation. This segmentation allows differential heating rates, enabling the white to cook quickly while the yolk remains protected and runs at the desired doneness level.
Solution Approach 2:
A microwave-transparent shield acts as an intermediary between the microwave radiation and the egg yolk. This shield selectively blocks microwaves from reaching the yolk while allowing them to pass through to the white, creating controlled heating zones that prevent yolk overcooking during rapid microwave cooking.
2Productivity
If eggs are cooked in microwave or rapid cook oven, then cooking speed increases, but the risk of explosion due to superheating increases
Solution Approach 1:
The cooking device applies preliminary anti-action by placing a shield over the yolk before cooking begins. This shield prevents direct microwave exposure to the yolk, counteracting the tendency toward superheating and explosion that occurs when microwaves directly heat the yolk membrane and surrounding proteins at high intensity.
Solution Approach 2:
The shield structure provides beforehand cushioning by absorbing and redistributing microwave energy away from the vulnerable yolk membrane. This protective barrier prevents the buildup of excessive localized heat that would otherwise cause the yolk to explode during rapid microwave cooking.
3Productivity
If eggs are cooked in microwave or rapid cook oven, then cooking efficiency improves, but consistent quality and safety are difficult to maintain
Solution Approach 1:
The cooking device applies local quality by creating distinct thermal zones within the same cooking chamber. The shielded yolk region experiences gentle, indirect heating while the exposed white region receives intense microwave energy. This localized differentiation ensures consistent runny yolk quality and crispy white texture every time, regardless of minor variations in microwave power or egg size.
4Loss of time
If eggs are cooked in microwave or rapid cook oven, then cooking time decreases, but the bottom of the egg lacks crispness
Solution Approach 1:
The cooking device changes the heating parameter distribution by using a microwave-transparent shield that selectively blocks radiation. This creates a temperature gradient where the bottom of the white reaches higher temperatures for crisping, while the yolk remains in a lower temperature zone that preserves runniness, all within the same rapid cooking cycle.
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 the consistent preparation of sunny-side-up eggs with a runny yolk and crispy white, reducing the risk of overcooking and explosion, while allowing for efficient and safe cooking in limited kitchen settings.
Implementation Method 1
the base comprises a susceptor and a first insulator, wherein the susceptor is embedded in the first insulator, wherein the susceptor is positioned to be in thermal contact with the base surface of the receptacle
Implementation Method 2
at least one yolk cap having a top surface and a bottom surface, the yolk cap comprising a phase change material and a third insulator, wherein the phase change material is embedded in the third insulator, wherein the phase change material is in thermal contact with the bottom surface of the yolk cap
Implementation Method 3
a lid having a top surface and a bottom surface, the lid comprising a second insulator and at least one shield, wherein the shield is embedded in the second insulator and shaped to cover the receptacle
Implementation Method 4
the base comprises a susceptor and a first insulator, wherein the susceptor is embedded in the first insulator... the lid comprising a second insulator... the yolk cap comprising a phase change material and a third insulator
Data Source
AI summary
A cooking device and method that allow food, including eggs, to be cooked in a microwave or rapid cook oven are provided. The device includes a base having at least one receptacle with a base surface, the base having a susceptor that is embedded in a first insulator and positioned to be in thermal contact with the base surface, and at least one yolk cap having a phase change material embedded in a third insulator that is in thermal contact with the bottom surface of the yolk cap. The yolk cap is sized and shaped to cover at least a portion of the receptacle. A lid having a top surface, a bottom surface, a second insulator and at least one shield that is embedded in the second insulator and shaped to cover the receptacle is provided. The bottom surface of the lid is sized and shaped to cover the receptacle.