Variable Temperature Lawn Chair with Integrated Heating and Cooling

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

Existing lawn chairs do not provide effective temperature regulation, making outdoor seating uncomfortable in varying weather conditions, and there is a need for a device that can be warmed or cooled to maintain comfort.

Innovation Solution

A variable temperature lawn chair with integrated battery-powered heating and cooling features, utilizing refrigerated or frozen gel packs in pockets and a battery-powered heating element to regulate temperature based on weather conditions.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If conventional lawn chairs are used outdoors, then portability and simplicity are maintained, but temperature comfort cannot be regulated in varying weather conditions

Engineering Contradiction:

Improvetemperature regulation capabilityVSAvoidchair structure complexity

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The chair is divided into functional zones with multiple pockets distributed across the backrest and seating area, each capable of holding independent gel packs. This segmentation allows targeted temperature control in different body regions while maintaining the overall simplicity of the chair structure.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The chair integrates multiple functions into a single device: it serves as both a conventional seating structure and a temperature regulation system. The pockets serve dual purposes as structural elements and as containers for thermal packs, eliminating the need for separate heating/cooling devices.

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Temperature

If gel packs are inserted into pockets for cooling, then user comfort in warm weather is improved, but the chair structure becomes more complex

Engineering Contradiction:

Improveseating surface temperatureVSAvoidchair structure complexity

Core Design Contradiction:

TemperatureVSDevice complexity

Solution Approach 1:

The cooling function is merged with the chair's structural design by integrating pockets directly into the backrest and seating area. This combination eliminates the need for separate cooling apparatus while providing effective temperature control through gel packs.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The design uses removable gel packs that can be replaced as needed, rather than integrating a permanent complex cooling system. This allows for simple, cost-effective temperature control where the thermal介质 can be exchanged without affecting the chair's core structure.

Inventive Principle:

Principle #27Cheap short-living objects (Disposable)

3Adaptability or versatility

If heating element is added for cold weather comfort, then temperature adaptability is improved, but device complexity and power requirements increase

Engineering Contradiction:

Improveweather condition adaptabilityVSAvoidbattery power consumption

Core Design Contradiction:

Adaptability or versatilityVSUse of energy by moving object

Solution Approach 1:

The heating element operates periodically or on-demand rather than continuously, activated only when cold weather conditions require warmth. This periodic operation reduces battery power consumption while maintaining the ability to adapt to cold conditions when needed.

Inventive Principle:

Principle #19Periodic action

Solution Approach 2:

The chair's temperature regulation system is dynamic, allowing users to adjust between cooling (gel packs) and heating (heating element) modes based on ambient conditions. This dynamic adaptability maximizes weather condition versatility while minimizing energy consumption by activating only the necessary function.

Inventive Principle:

Principle #15Dynamics

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 chair maintains optimal comfort by allowing users to adjust the temperature according to outdoor conditions, providing both heating and cooling capabilities.

Implementation Method 1

The gel packs help keep the user cool without making the chair device uncomfortable to sit on

Methodology Applied

Scientific EffectHeat absorption: Absorption (physical)

Implementation Method 2

a battery-powered heating element to provide warmth to the user

Methodology Applied

Scientific EffectJoule heating: Joule Heating

Data Source

PatentUS12582236B2Variable temperature lawn chair device

Publication Date: 2026.03.24 NUNCIO GREGORY

AI summary

A variable temperature lawn chair device is disclosed that has the ability to warm or cool its occupant. The variable temperature lawn chair device comprises a body component that comprises a seating area, a backrest, and a plurality of legs. The seating area and backrest comprise a plurality of pockets which house refrigerated or frozen gel packs. The gel packs help keep the user cool without making the chair device uncomfortable to sit on. Further, the device also comprises a battery-powered heating element to provide warmth to the user. Thus, during cold weather, the heating element can be activated to elevate the chair device's temperature and keep the user warm. Accordingly, the chair device's temperature can be regulated to maintain comfort when sitting outdoors.