Sliding Fuel Tray Grill for Portable Multi-Fuel Cooking
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Solution Overview
Problem
Conventional charcoal grills are not versatile, difficult to port, and poorly suited for various outdoor environments due to their exclusive fuel design and residue removal issues.
Innovation Solution
A portable grill design featuring upright posts, rails, a grilling surface, and a fuel tray that allows for sliding positions, enabling use with both wood and charcoal fuels and easy residue management, with beveled ends for ground insertion and depth indicators for stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of moving object
If conventional charcoal grill designs are used, then the grill structure is simple and easy to manufacture, but the grill is not portable and difficult to transport to different locations
Solution Approach 1:
The grill is divided into separate modular components including a grill grate, fuel tray, and upright posts that can be independently assembled and disassembled. This segmentation enables easy transport while maintaining structural integrity during use.
Solution Approach 2:
The grill employs a dynamic design where the fuel tray and grill grate can be slid along rails to different positions. This dynamic configuration allows the structure to adapt between a compact transport state and an expanded cooking state, improving portability without sacrificing functionality.
2Adaptability or versatility
If conventional charcoal grill designs are used, then the grill is dedicated to specific fuel type, but the grill lacks versatility for different fuel types and cooking environments
Solution Approach 1:
The grill is designed with universal fuel tray compatibility that can accommodate different fuel types including charcoal and wood. The standardized tray design allows users to switch between fuel types without requiring different grill structures, enhancing versatility.
Solution Approach 2:
The slidable fuel tray and grill grate configuration enables dynamic adjustment of the cooking chamber volume and fuel positioning, allowing the same grill structure to adapt to different fuel types and cooking requirements.
3Ease of operation
If conventional charcoal grill designs are used, then the grill structure is fixed, but the grill is difficult to clean and maintain due to residue accumulation
Solution Approach 1:
The separation of the fuel tray from the main grill structure allows residue to be easily removed by simply extracting the tray. This segmentation eliminates the need to disassemble the entire grill for cleaning, significantly improving maintenance ease.
Solution Approach 2:
The slidable fuel tray design enables easy access to the fuel compartment for residue removal. The tray can be smoothly extracted along the rails without requiring tools or complex disassembly operations.
Data Source
AI summary
A portable cooking grill includes upright posts, rails, a grilling surface, and a fuel tray. Each rail couples a pair of the upright posts. The grilling surface is coupled with the rails and supports food for cooking. The fuel tray is coupled with the rails and receives a volume of fuel. The grilling surface and the fuel tray slide relative to each other to allow them to be relatively moved into distinct positions. In one position, the fuel tray is beneath the grilling surface. In another position, at least a portion of the fuel tray is not beneath the grilling surface.


