Fuel Cell Heater System to Replace Engine-Based Flameless Heaters

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Solution Overview

Problem

Conventional flameless heater systems face issues with noise, reliability, complexity, and environmental concerns due to their reliance on turbine or internal combustion engines, which limit their operational safety, quietness, and sustainability, especially in harsh environments.

Innovation Solution

A fuel cell heater system that replaces traditional engines with a fuel cell, utilizing various types of fuel sources and producing water as a byproduct, thereby reducing environmental impact and enhancing operational safety, quietness, and reliability.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Temperature

If turbine or internal combustion engines are used in flameless heater systems, then heating capability is achieved, but noise levels increase and reliability decreases

Engineering Contradiction:

Improveheating capabilityVSAvoidoperational reliability

Core Design Contradiction:

TemperatureVSReliability

Solution Approach 1:

The patent replaces the mechanical engine system (turbine or internal combustion engine) with an electrochemical fuel cell system. The fuel cell generates electricity through electrochemical reactions, which then powers heating elements, eliminating moving mechanical parts that cause noise and reliability issues while maintaining heating capability.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent replaces the mechanical engine system with an electrochemical fuel cell system. The fuel cell generates electricity through electrochemical reactions, which then powers heating elements, eliminating moving mechanical parts that cause noise and reliability issues while maintaining heating capability.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Temperature

If turbine or internal combustion engines are used in flameless heater systems, then heating capability is achieved, but environmental harm increases

Engineering Contradiction:

Improveheating capabilityVSAvoidenvironmental impact

Core Design Contradiction:

TemperatureVSObject-generated harmful factors

Solution Approach 1:

The patent converts the fuel cell's electrochemical reaction, which traditionally would only produce electricity, into a dual-purpose system that generates both electricity and heat. The heat that would be waste heat is now captured and utilized through heating elements, improving efficiency and reducing environmental impact while maintaining heating capability.

Inventive Principle:

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

3Temperature

If turbine or internal combustion engines are used in flameless heater systems, then heating capability is achieved, but operational noise increases

Engineering Contradiction:

Improveheating capabilityVSAvoidnoise levels

Core Design Contradiction:

TemperatureVSObject-affected harmful factors

Solution Approach 1:

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

4Temperature

If engine-based flameless heater systems are used, then heating function is provided, but system complexity and maintenance requirements increase

Engineering Contradiction:

Improveheating functionVSAvoidsystem complexity

Core Design Contradiction:

TemperatureVSDevice complexity

Solution Approach 1:

The patent replaces complex mechanical engine systems with simpler electrochemical fuel cell systems. The fuel cell has no moving parts, eliminating the need for complex mechanical maintenance, lubrication systems, and mechanical components, thereby reducing overall system complexity while maintaining heating functionality.

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 fuel cell heater system operates more safely, quietly, and reliably, with reduced environmental impact, and can utilize a variety of fuel sources, addressing the limitations of conventional systems.

Implementation Method 1

Fuel cells are electrochemical cells that convert energy from a fuel into electricity. The fuel cell converts energy from the fuel through an electrochemical reaction of the fuel with oxygen or another oxidizing agent.

Methodology Applied

Scientific EffectElectrochemical reaction: Fuel Cell

Implementation Method 2

the electricity generated by a fuel cell into heat

Methodology Applied

Scientific EffectJoule heating: Joule Heating

Data Source

PatentUS11493211B2Fuel cell heater system

Publication Date: 2022.11.08 ANDERSON IND LLC

AI summary

A heater is described. The heater includes a fuel cell to produce heated air, electricity and water vapor. The heater further includes a heating element operatively coupled to the fuel cell to convert the electricity to heat and a control system operatively coupled to the fuel cell and the heating element, the control system being configured to monitor and control the fuel cell and heating element.