Multi-Container Food Warming Assembly with Segmented Heating Units

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Solution Overview

Problem

Existing food warming devices lack the capability to efficiently warm and store multiple types of food products simultaneously, as they typically only include a single container with an integrated heating unit.

Innovation Solution

A food warming device comprising multiple containers (bowl, solid food tub, and container tub) each with an integrated heating unit, allowing for the simultaneous warming of liquid and solid foods, as well as multiple food containers within a tub.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a single container with an integrated heating unit is used, then the device complexity is reduced, but the capability to warm multiple types of food products simultaneously is limited

Engineering Contradiction:
Improvecapability to warm multiple types of food productsVSAvoiddevice complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The food warming device is divided into multiple independent containers (first container for liquid food, second container for solid food, third container for multiple food containers) each with its own integrated heating unit. This segmentation allows each container to independently warm different types of food products simultaneously, resolving the contradiction between versatility and complexity by making the system modular rather than monolithic.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Each container in the system is designed with multi-functionality - the first container warms liquid food, the second container warms solid food, and the third container accommodates multiple smaller food containers. Each container has an integrated heating unit that can operate independently, allowing the system to handle various food types simultaneously without requiring a completely separate heating system for each food type.

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

2Productivity

If multiple containers with integrated heating units are used, then the capability to warm various food types simultaneously is improved, but the device complexity increases

Engineering Contradiction:
Improvesimultaneous warming capabilityVSAvoiddevice complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The system is segmented into multiple independent container-heating unit pairs, where each pair can operate autonomously. The first container with its heating unit handles liquid food, the second container with its heating unit handles solid food, and the third container with its heating unit handles multiple smaller containers. This segmentation enables simultaneous warming of different food types while keeping each module relatively simple in design.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The third container is designed to accommodate multiple smaller food containers within it, creating a nested structure. This nesting approach allows the system to warm multiple food items simultaneously within a single container footprint, improving productivity without proportionally increasing the overall device complexity.

Inventive Principle:
Principle #7Nested doll (Nesting)

3Quantity of substance

If a single container is used, then the device structure is simplified, but the storage and transportation capability for multiple food products is reduced

Engineering Contradiction:
Improvestorage capacity for multiple food productsVSAvoiddevice structure
Core Design Contradiction:
Quantity of substanceVSDevice complexity

Solution Approach 1:

The storage system is segmented into multiple dedicated containers - the first container for liquid food, the second container for solid food, and the third container for multiple smaller food containers. Each container is optimized for its specific food type, allowing the system to store and transport multiple food products simultaneously while maintaining a relatively simple overall structure through modular design.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The third container is designed to nest multiple smaller food containers within it, maximizing the storage capacity for multiple food products within a compact structure. This nested arrangement allows the system to accommodate a variety of food items without requiring a large, complex storage space.

Inventive Principle:
Principle #7Nested doll (Nesting)

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 efficient and simultaneous warming of various food types, maintaining food quality and convenience by allowing for storage and transportation while keeping food warm.

Implementation Method 1

a bowl heating unit integrated into the bowl to heat the liquid food when the liquid food is stored in the bowl... a solid food heating unit integrated into the solid food lid to heat the solid food contained in the solid food tub... a container lid heating unit integrated into the container lid to heat the food product in the container tub... a container tub heating unit integrated into the container tub to heat food containers

Methodology Applied
Scientific EffectJoule heating: Joule Heating

Data Source

PatentUS20250120540A1Food warming and storage assembly
Publication Date: 2025.04.17 MARSHALL DONTE
  • US20250120540A1 patent drawing
  • US20250120540A1 patent drawing
  • US20250120540A1 patent drawing

AI summary

A food warming and storage assembly includes a bowl to store a liquid food. A bowl heating unit is integrated into the bowl to heat the liquid food when the liquid food is stored in the bowl. A solid food tub is provided to contain a solid food. A solid food lid is removably attachable to the solid food tub and a solid food heating unit is integrated into the solid food lid to heat the solid food contained in the solid food tub. A container tub is provided to contain a food product. A container lid is removably attachable to the container tub and a container lid heating unit is integrated into the container lid to heat the food product in the container tub. A container tub heating unit is integrated into the container tub to heat food containers when the food containers are stored in the container tub.