Fuel grate for a grill
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Solution Overview
Problem
Current methods for igniting solid fuels in grills, such as charcoal or briquettes, are inefficient, unsafe, and environmentally harmful due to the need for skilled operation, slow ignition times, excessive fuel consumption, and potential health hazards from soot and smoke.
Innovation Solution
A fuel grate system with a solid fuel support grate and a fuel ignition surface positioned at a predetermined distance to hold combustible fire starters, allowing for safe and efficient ignition of solid fuels through optimal air supply and the use of a mixed fuel ignition system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If liquid fuel is used to ignite solid fuel, then ignition speed is improved, but safety deteriorates and food quality deteriorates due to residual bad taste and danger
Solution Approach 1:
The patent introduces an intermediary substance (fire starter material) between the ignition source and the solid fuel. This fire starter material is specifically designed to burn cleanly without leaving harmful residues, thus mediating the ignition process to achieve fast ignition while maintaining safety and food quality. The fire starter material acts as a bridge that transfers ignition capability without the harmful effects of liquid fuel.
2Reliability
If solid fuel is piled over kindling or combustible fire starters, then ignition is achieved, but operation complexity increases and ignition time increases due to skilled operation requirements and slow ignition
Solution Approach 1:
The patent segments the ignition system into distinct functional components: a fire starter material layer, a support structure, and air flow channels. This segmentation allows each component to perform its specific function optimally - the fire starter material provides reliable ignition, the support structure maintains proper positioning, and the air flow channels ensure sufficient oxygen supply. This modular design simplifies operation while maintaining ignition reliability.
Solution Approach 2:
The fire starter material is designed to be self-sustaining, requiring no external assistance or skilled operation to ignite. Once ignited, it automatically maintains combustion and transfers heat to the solid fuel without needing continuous human intervention. This self-service characteristic eliminates the need for skilled operation and reduces ignition time.
3Loss of time
If chimney type fire starter is used, then ignition time is reduced, but device complexity increases and portability deteriorates due to separate accessory requirement and cumbersome transport
Solution Approach 1:
The patent merges the fire starter material, support structure, and air flow channels into a single integrated fuel grate assembly that is built into the grill. This combination eliminates the need for separate chimney accessories and simplifies the overall device structure. The integrated design maintains fast ignition capability while improving portability and reducing device complexity.
Solution Approach 2:
The fuel grate assembly serves multiple functions: it supports the solid fuel, provides the fire starter material, ensures proper air flow, and facilitates easy ignition. This multi-functionality eliminates the need for separate chimney accessories and other ignition aids, simplifying the device while maintaining efficient ignition performance.
4Reliability
If more fuel is consumed for ignition, then ignition reliability is improved, but economic efficiency deteriorates and environmental impact increases due to excessive fuel consumption
Solution Approach 1:
The patent optimizes the parameters of the fire starter material, including its composition, thickness, and surface area, to achieve maximum ignition efficiency with minimum fuel consumption. The fire starter material is formulated to burn at an optimal rate that ensures reliable ignition of the solid fuel without excessive fuel use. This parameter optimization balances ignition reliability with fuel efficiency and environmental protection.
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 system enables quick, safe, and efficient ignition of solid fuels with minimal fuel consumption, reducing environmental impact and operational complexity.
Implementation Method 1
the distance is determined as to allow placing combustible fire starter in an amount sufficient for igniting a solid fuel
Data Source
AI summary
A fuel grate for a grill is disclosed. The fuel grate may include: a solid fuel support grate, configured to fit into an internal cavity of the grill; and at least one fuel ignition surface, configured to be placed at a predetermined distance from the solid fuel support grate in the internal cavity of the grill, wherein the distance is determined as to allow placing combustible fire starter in an amount sufficient for igniting a solid fuel.