Multimode Cooking Chamber With Conductive and Convective Heating

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Solution Overview

Problem

Conventional cooking devices are limited to single cooking operations, requiring multiple devices for various cooking modes, which leads to cost and storage issues for consumers who want to cook food in different ways.

Innovation Solution

A multifunctional cooking system with a housing, movable lid, and multiple heating elements that can operate in conductive and convective modes, along with a rotational air movement device, allowing for various cooking modes such as pressure cooking, slow cooking, air frying, and dehydrating in a single device.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If multiple separate cooking devices are used to perform different cooking operations, then each device can be optimized for its specific function, but the cost and storage space required increase significantly

Engineering Contradiction:
Improvecooking function versatilityVSAvoidnumber of devices
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent applies universality by designing a single cooking device that can perform multiple cooking operations including pressure cooking, air frying, and dehydrating. The device achieves this through a unified housing and heating system that can operate in different modes, eliminating the need for separate specialized devices while maintaining optimized functionality for each cooking type

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Adaptability or versatility

If multiple separate cooking devices are used to perform different cooking operations, then each device can be optimized for its specific function, but the storage space required increases significantly

Engineering Contradiction:
Improvecooking function versatilityVSAvoidstorage space
Core Design Contradiction:
Adaptability or versatilityVSVolume of stationary object

Solution Approach 1:

The patent merges the functionality of multiple cooking devices into a single integrated unit. By combining pressure cooking, air frying, and dehydrating capabilities in one device with a unified housing and heating system, the total storage space required is reduced compared to having separate devices for each function

Inventive Principle:
Principle #5Merging (Combining)

3Device complexity

If a single device performs multiple cooking operations, then cost and storage space are reduced, but the device complexity increases

Engineering Contradiction:
Improvenumber of devicesVSAvoidcooking function versatility
Core Design Contradiction:
Device complexityVSAdaptability or versatility

Solution Approach 1:

The device achieves multi-functionality through a unified heating system with heating elements positioned in the housing and/or lid that can operate in different modes. The control system manages multiple cooking operations including pressure cooking, air frying, and dehydrating, providing versatility without requiring multiple separate devices

Inventive Principle:
Principle #6Universality (Multi-functionality)

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 system integrates multiple cooking functions into one device, reducing the need for multiple appliances, saving space and cost while providing versatility in cooking methods.

Implementation Method 1

at least one heating element associated with one of the housing and the lid

Methodology Applied
Scientific EffectThermal conduction: Conduction (thermal)

Implementation Method 2

a rotational air movement device coupled to at least one of the housing and the lid, wherein during operation of the rotational air movement device, the rotational air movement device is operable to rotate at a plurality of speeds

Methodology Applied
Scientific EffectForced convection: Forced Convection

Implementation Method 3

an air diffuser configured to impart rotation to the air circulating through the hollow interior

Methodology Applied
Scientific EffectConvection: Convection

Data Source

PatentUS11266268B2Cooking device and components thereof
Publication Date: 2022.03.08 SHARKNINJA OPERATING LLC
  • US11266268B2 patent drawing
  • US11266268B2 patent drawing
  • US11266268B2 patent drawing

AI summary

Disclosed herein is a cooking system for cooking food, the system including a housing having a hollow interior, a lid movable relative to the housing, at least one heating element associated with one of the housing and the lid, wherein the cooking system is operable in a plurality of modes including a conductive cooking mode and a convective cooking mode, wherein in the conductive cooking mode the cooking system is operable as a conductive cooker and in the convective cooking mode the cooking system is operable as a convection cooker.