Rotating Induction Air Fryer for Uniform Heat Distribution
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Solution Overview
Problem
Existing air fryers suffer from improper heat distribution, leading to variable cooking results, despite efforts to minimize oil usage and improve cooking efficiency.
Innovation Solution
The integration of an induction heating system combined with a high-velocity air current and a rotating or vibrating cooking pot, allowing for independent control of air fryer hood, induction cooker, and pot rotation, to ensure consistent and uniform cooking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of substance
If conventional air fryers use hot air circulation to cook food, then oil usage is reduced significantly, but heat distribution becomes improper resulting in variable cooking results
Solution Approach 1:
The patent combines induction heating technology with hot air circulation technology in a single air fryer system. The induction heating element is integrated into the bottom of the cooking basket, working simultaneously with the top heating element and hot air circulation system. This merging of heating methods ensures uniform heat distribution from both top and bottom while maintaining the low oil usage benefit of air frying.
Solution Approach 2:
The patent applies different heating qualities to different locations within the cooking chamber. Induction heating is applied locally at the bottom of the basket where direct contact with the heating element occurs, while radiant heating is applied from the top. This local differentiation of heating quality ensures that each region of the food receives appropriate heat for uniform cooking, resolving the heat distribution inconsistency problem.
2Device complexity
If air fryers rely solely on hot air circulation, then the system remains simple, but cooking time increases and cooking uniformity decreases
Solution Approach 1:
The patent merges two heating technologies (induction heating and radiant heating) into one system to achieve faster and more uniform cooking. The induction heating element at the bottom provides rapid heat transfer through direct contact, while the top radiant heater provides overhead heating. This combination accelerates the cooking process and improves uniformity without significantly complicating the overall system architecture.
Solution Approach 2:
The patent replaces conventional resistive heating elements with induction heating technology at the bottom of the basket. Induction heating uses electromagnetic fields to directly heat the cookware and food, eliminating the need for traditional heating elements and improving thermal efficiency. This substitution enables faster heating rates and better temperature control, enhancing cooking productivity.
3Device complexity
If air fryers use traditional heating elements, then the structure remains simple, but heat distribution uniformity deteriorates
Solution Approach 1:
The patent implements local quality by placing an induction heating element specifically at the bottom of the cooking basket, creating a differentiated heating zone. This bottom heating zone works in conjunction with the top radiant heating element, ensuring that heat is applied uniformly from both directions. The local application of induction heating technology addresses the heat distribution uniformity issue without requiring complete system redesign.
Solution Approach 2:
The patent combines induction heating technology with the existing hot air circulation and top radiant heating system. This merging creates a multi-zone heating system where each heating method contributes to overall uniformity. The induction element provides consistent bottom heating, while the top element and air circulation handle overhead and lateral heat distribution, together achieving superior 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
This solution achieves rapid, consistent, and even meal preparation by optimizing air temperature, air stream duration, induction power, and pot rotation, reducing cooking time and enhancing flavor and consistency.
Implementation Method 1
The induction unit, positioned under the rotating pot base, uses induction heating to heat the rotating pot for frying and browning of the food products
Implementation Method 2
The air fryer hood streams high velocity, heated air
Implementation Method 3
a fan, which creates a vortex of air flow regime, forcing the air from the environment through the heating element, evenly distributing it within the cooking pot
Data Source
AI summary
The present invention is to provide a cooking apparatus to operate in an automated/robotic environment containing 3 major sub-units: air fryer hood, a rotating or a vibrating pot and an induction heating subunit. The air fryer hood of the air fryer subunit streams high velocity, heated air, circulating it in the cooking pot which is rotated, generating a stirring motion of the food ingredients contained in the said pot. The induction unit which is positioned under the rotating pot base may be used to heat the pot for frying and browning of the food products. The apparatus can be used as a stand alone or incorporated in robotic or automated food preparation systems. The apparatus provides controlled cooking regimes for various recipes and food product requirements and each of the sub-units of the apparatus is independently controlled.