Nested-Casing Combustion Box for Fuel-Sufficient Barbecue Ignition
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Solution Overview
Problem
Existing combustion devices for solid fuels often lack sufficient fuel, require additional chemical products for ignition, have inadequate air circulation, and are difficult to manufacture and adapt for use in barbecues due to inappropriate geometry and container arrangements.
Innovation Solution
A combustion box with a tubular inner casing housed in a volumetric housing, featuring a geometric configuration that allows for effective air circulation and easy manufacturing, using flammable solid materials like coal without additional chemicals, and made from combustible materials like cardboard, with a design that facilitates easy use and adaptation for various applications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If conventional combustion devices are used, then ignition can be achieved, but additional chemical products are required and fuel quantity is insufficient
Solution Approach 1:
The inner tubular casing is nested within the outer volumetric housing, creating a compact structure where the intermediate space between them contains the flammable solid material. This nesting arrangement maximizes fuel quantity within a constrained volume while maintaining manufacturing simplicity through straightforward assembly of nested components.
Solution Approach 2:
The invention transitions from conventional two-dimensional surface combustion to three-dimensional volumetric combustion by filling the intermediate space between the inner and outer casings with flammable solid material. This dimensional expansion significantly increases the fuel quantity available for combustion without complicating the manufacturing process.
2Reliability
If conventional container arrangements are used, then combustion can be started, but air circulation is inadequate and chimney effect is poor
Solution Approach 1:
The housing is segmented into distinct functional zones: the inner tubular casing for ignition, the intermediate space for fuel storage, and the outer volumetric housing for structural support and air circulation. This segmentation allows each zone to be optimized for its specific function, ensuring reliable combustion while keeping the overall geometry straightforward and easy to manufacture.
Solution Approach 2:
The invention employs curved surfaces and rounded geometries in the inner and outer casings, which facilitate smooth air flow patterns and enhance the chimney effect. The curved surfaces promote natural convection currents that improve air circulation and combustion reliability without requiring complex geometric features.
3Adaptability or versatility
If conventional devices are used, then ignition can occur, but the configuration is difficult to manufacture and adapt to barbecues
Solution Approach 1:
The combustion device is designed with universal adaptability to fit various barbecue configurations through its modular nested structure. The inner tubular casing can be positioned and oriented differently within the outer housing to accommodate various barbecue types, while the simple assembly and disassembly features enable easy adaptation without compromising ease of operation.
Solution Approach 2:
The invention incorporates dynamic adjustment capabilities that allow the device to be easily configured for different barbecue setups. The modular components can be assembled and disassembled quickly, and the geometric design allows for flexible positioning to adapt to various barbecue geometries while maintaining simple, intuitive operation.
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
Enables simple, effective, and efficient ignition of combustion with appropriate air circulation, easy use, and manufacturing, without the need for added chemicals, making it suitable for barbecues and other uses while maintaining cleanliness and ease of transport.
Implementation Method 1
said intermediate space containing a flammable solid material
Implementation Method 2
makes it possible to start combustion simply, effectively and favourably, and without the need for added products. Furthermore it is easy to manufacture
Data Source
AI summary
A combustion box comprising an inner casing with a tubular configuration and hollow therein, which is housed in a volumetric housing, the casing running through the inside of the housing, and each one of the ends of the inner casing is in contact with the inner contour of the volumetric housing, such that said ends pass through the inner contour of the volumetric housing, there being an inner intermediate space between the inner contour of the housing and the inner casing, and said intermediate space containing a flammable solid material.