Compact waste combustion system

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Existing waste incineration systems are bulky, immobile, and require complex operating procedures, limiting their application and necessitating ongoing manual maintenance to remove ash materials.

Innovation Solution

A compact waste combustion system designed for portable, mobile, or remote standalone applications, featuring a burn chamber, trapdoor mechanism, waste receptacle, burner, and processor that automates the incineration process and includes features like a fuel supply coupling, ignitor, blower, diffuser, and exhaust system.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional waste incineration systems are used, then waste elimination is achieved, but the systems become bulky and immobile

Engineering Contradiction:
Improvewaste elimination capabilityVSAvoidsystem size
Core Design Contradiction:
ReliabilityVSVolume of moving object

Solution Approach 1:

The waste incineration system is divided into separate functional modules: a burn chamber for combustion, an ash collection tray for residue management, and a control system. This segmentation allows each component to be optimized independently and facilitates easier deployment in space-constrained environments while maintaining reliable waste elimination capability.

Inventive Principle:
Principle #1Segmentation

2Reliability

If traditional waste incineration systems are used, then waste elimination is achieved, but complex operating procedures are required

Engineering Contradiction:
Improvewaste elimination capabilityVSAvoidoperating procedure complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The system incorporates automatic control features including a processor that monitors burn chamber conditions and automatically controls the burner operation. The ash collection tray is designed to be easily removable for maintenance, reducing the need for complex manual intervention. These self-service features simplify operating procedures while ensuring reliable waste elimination.

Inventive Principle:
Principle #25Self-service

3Reliability

If traditional waste incineration systems are used, then waste elimination is achieved, but ongoing manual maintenance is required to remove ash materials

Engineering Contradiction:
Improvewaste elimination capabilityVSAvoidmaintenance effort
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The ash collection tray is designed as a separate, easily removable component that can be extracted from the burn chamber without disassembling the entire system. This extraction design allows maintenance personnel to quickly remove and dispose of ash materials, significantly reducing maintenance effort while maintaining the system's reliable waste elimination function.

Inventive Principle:
Principle #2Taking out (Extraction)

4Volume of moving object

If compact waste combustion system is used, then system size is reduced, but automated operation control is required

Engineering Contradiction:
Improvesystem sizeVSAvoidcontrol system complexity
Core Design Contradiction:
Volume of moving objectVSDevice complexity

Solution Approach 1:

The control system replaces complex mechanical operation procedures with electronic control. A processor monitors conditions in the burn chamber and automatically controls the burner operation, eliminating the need for complex manual mechanical adjustments. This substitution enables compact system design while maintaining automated operation control through electronic rather than mechanical means.

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 compact waste combustion system enables efficient and automated incineration of waste in a small footprint, reducing the need for manual maintenance and allowing for deployment in locations lacking proper waste infrastructure.

Implementation Method 1

activate the burner when the trapdoor mechanism is operated in the first mode and the quantity of waste is located in the burn chamber

Methodology Applied
Scientific EffectCombustion: Combustion

Implementation Method 2

activate the ignitor to ignite the fuel entering the burn chamber

Methodology Applied
Scientific EffectIgnition: Combustion

Data Source

PatentUS12345413B2Compact waste combustion system
Publication Date: 2025.07.01 JOHANSSON STEFAN
  • US12345413B2 patent drawing
  • US12345413B2 patent drawing
  • US12345413B2 patent drawing

AI summary

A compact waste combustion system deployed within a portable toilet has a burn chamber that includes a processor, a burner, a trapdoor mechanism configured to seal an entrance to the burn chamber when the compact waste combustion system is operated in a first mode and a waste receptacle configured to feed waste material to the burn chamber through the trapdoor mechanism in a second mode of operation. The processor may be configured to detect presence of a waste in the waste receptacle, configure the system to operate in the second mode and to pass waste into the burn chamber, configure the compact waste combustion system to operate in the first mode after the waste has passed into the burn chamber, and activate the burner when the compact waste combustion system is operated in the first mode and the waste is located in the burn chamber.