Solid-Fuel Radiant Heater for Outdoor Use Without Power Connection

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Solution Overview

Problem

Conventional patio heaters, both electric and gas-powered, are energy-intensive and produce significant CO2 emissions, posing environmental concerns and safety risks due to gas storage, making them unsuitable for outdoor use without a power connection.

Innovation Solution

A radiant heater using a combustion device for solid fuels like charcoal or coal, which operates independently of electricity and gas, featuring a combustion chamber with a fire bowl and hood design for efficient heat radiation and safety, and an air supply device for easy ignition and operation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Temperature

If gas-powered patio heaters are used, then heating performance is achieved, but CO2 emissions and energy consumption increase significantly

Engineering Contradiction:
Improveheating performanceVSAvoidCO2 emissions
Core Design Contradiction:
TemperatureVSObject-generated harmful factors

Solution Approach 1:

The invention changes the fuel type parameter from gas (propane/butane) to solid fuel (charcoal/coal), fundamentally altering the combustion characteristics and emission profile while maintaining heating performance through optimized combustion chamber design and airflow control

Inventive Principle:
Principle #35Parameter changes

2Adaptability or versatility

If gas bottles are used for heating, then portable heating is achieved, but safety risks from gas storage increase

Engineering Contradiction:
Improveportable heatingVSAvoidsafety risks
Core Design Contradiction:
Adaptability or versatilityVSObject-affected harmful factors

Solution Approach 1:

The invention extracts and eliminates the gas storage component (gas bottle) from the system, replacing it with solid fuel that does not require pressurized storage, thereby removing the primary safety hazard while preserving portable heating capability

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The invention converts the harmful aspect of gas storage (explosion risk, leakage) into a beneficial solid fuel form that is safer to store and handle, while the combustion process remains controlled and efficient through design features like the combustion chamber and air supply system

Inventive Principle:
Principle #22Blessing in disguise (Convert harm into benefit)

3Loss of energy

If electric radiant heaters are used, then heating efficiency is improved, but dependence on power connection increases

Engineering Contradiction:
Improveheating efficiencyVSAvoidindependence from power connection
Core Design Contradiction:
Loss of energyVSAdaptability or versatility

Solution Approach 1:

The invention replaces the electrical heating system (resistance heating coil) with a mechanical/chemical combustion system using solid fuel, eliminating dependence on electrical power connections while achieving efficient heat radiation through the combustion chamber design

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

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 provides a cost-effective, low-CO2 emission heating solution for outdoor use, allowing for flexible placement without a power connection, reducing energy consumption and environmental impact while ensuring safety through the use of solid fuels and a secure heat radiation design.

Implementation Method 1

the heat source serves as a combustion device for solid fuel, namely for burning wood, charcoal or coal

Methodology Applied
Scientific EffectCombustion: Combustion

Implementation Method 2

a radiant heater or heat wave heater, the majority of which heat is emitted by thermal radiation. With radiant heating, the thermal energy is transferred directly by thermal radiation

Methodology Applied
Scientific EffectThermal radiation: Thermal Radiation

Data Source

PatentEP2815185B1Radiant heater
Publication Date: 2017.06.07 OHLER MISCHA
  • EP2815185B1 patent drawingFigure 1
  • EP2815185B1 patent drawingFigure 2
  • EP2815185B1 patent drawingFigure 3

AI summary

The invention relates to a radiant heater for outdoor use, in particular for balconies, patios or gardens, preferably with the same shape and design as an umbrella heater and comprising a heat source that radiates heat. Said heater is characterised in that the heat source is designed as a combustion device for solid combustible material, i.e. wood, charcoal or coal.