Induction Cooking Assembly With Nested Magnetic Coupling for Small Utensils
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Solution Overview
Problem
Existing cooking devices face challenges in providing both heating capability and food manipulation functionality while being lightweight, compact, safe, and cost-effective.
Innovation Solution
A cooking device with an induction heating element nested within a rotatable magnetic assembly, allowing for greater torque transfer and efficient heating of small utensils, with a support member separating the utensil from the heating elements to prevent overheating and improve safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the induction heating element is arranged peripherally around a central rotatable magnetic assembly, then the device structure is simplified, but the torque transfer capability is reduced and small cooking utensils cannot be heated efficiently
Solution Approach 1:
The patent inverts the conventional arrangement by placing the induction heating element at the center and the rotatable magnetic assembly peripherally around it. This inversion allows the magnetic assembly to have a larger diameter, increasing torque transfer capability while enabling efficient heating of small cooking utensils placed on the central heating element.
2Ease of manufacture
If the induction heating element is arranged peripherally, then manufacturing is simpler, but heat transfer paths become longer and hot standing feet are required
Solution Approach 1:
By inverting the arrangement to place the heating element centrally, the patent creates direct heat transfer paths from the heating element to the cooking utensil bottom, eliminating the need for hot standing feet and reducing burn risks while simplifying the cooking utensil design.
3Volume of moving object
If the rotatable magnetic assembly is centrally disposed, then the device is more compact, but small cooking utensils cannot be heated efficiently
Solution Approach 1:
The patent inverts the arrangement so the compact induction heating element is centrally located, providing efficient heating for small cooking utensils, while the rotatable magnetic assembly is positioned peripherally where it does not interfere with the heating of small utensils.
4Force
If the induction heating element is nested within the rotatable magnetic assembly, then torque transfer and heating efficiency are improved, but device complexity increases
Solution Approach 1:
The patent applies nesting by placing the induction heating element within the peripheral rotatable magnetic assembly, allowing both components to occupy different spatial zones (central vs. peripheral) while maintaining functional independence and achieving improved torque transfer and heating efficiency without excessive complexity.
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 solution enables efficient heating of small utensils, reduces the risk of burns, and simplifies manufacturing by minimizing contact between heating elements and the utensil, while allowing for simultaneous heating of multiple utensils.
Implementation Method 1
an induction heating element for inductively heating a cooking utensil
Implementation Method 2
a rotatable magnetic assembly for magnetically coupling to a utensil coupling part
Data Source
Figure 1A
Figure 1B
Figure 2
AI summary
Provided is a cooking device (100) comprising an induction heating element assembly (108, 110). The induction heating element assembly comprises an induction heating element (108) for inductively heating a cooking utensil (102). The cooking device further comprises a rotatable magnetic assembly (116) for magnetically coupling to a utensil coupling part (104). The rotatable magnetic assembly is arranged around the induction heating element so that the induction heating element is nested within the rotatable magnetic assembly. Additionally provided is a cooking assembly (106) comprising the cooking device, and one or both of a cooking utensil for being inductively heated by the induction heating element assembly, and a utensil coupling part that is magnetically attractable to, and rotatable together with, the rotatable magnetic assembly. Further provided is a cooking utensil for use with a cooking device, which cooking device has an induction heating element assembly. The cooking utensil comprises a heatable portion (112) that is inductively heatable by the induction heating element assembly. The cooking utensil further comprises a rotatable magnetic arrangement for magnetically coupling to a device coupling part of the cooking device. The rotatable magnetic arrangement is arranged around the heatable portion so that the heatable portion is nested within the rotatable magnetic arrangement.