Exhaust Pipe Structure With Diagonal Routing For Compact Length
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Solution Overview
Problem
Existing exhaust pipe structures for vehicles face challenges in elongating the exhaust pipe while maintaining a compact overall dimension, which restricts the adjustment range for engine characteristics and space for the exhaust chamber, making it difficult to secure adequate space for the elongated components.
Innovation Solution
The exhaust pipe structure includes an upstream-side and downstream-side exhaust pipe configuration with the exhaust-gas inlet positioned farther away from the exhaust port than the outlet, allowing for elongation of the pipes while maintaining a restricted overall length, and utilizing diagonal sections that cross each other to optimize space usage and foot placement for the rider.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the exhaust pipe is elongated to widen engine characteristics adjustment range, then the engine characteristics adjustment range is improved, but the overall length of the exhaust pipe increases
Solution Approach 1:
The exhaust pipe is configured to extend in multiple directions including laterally and diagonally rather than solely in the front-to-rear direction. The upstream-side exhaust pipe extends laterally from the exhaust port, and the downstream-side exhaust pipe extends diagonally rearwardly, utilizing three-dimensional space to achieve elongation without increasing the front-to-rear length of the vehicle.
2Adaptability or versatility
If the exhaust chamber volume is increased to improve engine characteristics, then the engine characteristics are improved, but the space required for the exhaust chamber increases
Solution Approach 1:
The exhaust chamber is positioned laterally and diagonally rather than solely in the front-to-rear direction, utilizing three-dimensional space efficiently. This allows the exhaust chamber to achieve adequate volume without increasing the front-to-rear length of the vehicle, as the chamber extends in lateral and diagonal dimensions.
3Adaptability or versatility
If the exhaust pipe extends farther from the exhaust port, then the engine characteristics adjustment range is improved, but the space for placing the exhaust pipe becomes insufficient
Solution Approach 1:
The exhaust pipe system utilizes lateral and diagonal extensions rather than solely front-to-rear extension, efficiently utilizing three-dimensional space. The upstream-side exhaust pipe extends laterally and the downstream-side exhaust pipe extends diagonally rearwardly, allowing the pipe to achieve the necessary length for engine characteristics adjustment without occupying excessive space in any single dimension.
Data Source
AI summary
To provide an exhaust pipe structure in which the length of the exhaust pipe can be elongated while the total dimension is restricted. Provided is an exhaust pipe structure which includes an upstream-side exhaust pipe connected to exhaust ports of an engine. An exhaust chamber is provided which has an exhaust-gas inlet and an exhaust-gas outlet, and in which the upstream-side exhaust pipe is connected to the exhaust-gas inlet. In addition, the exhaust pipe structure includes a downstream-side exhaust pipe which is connected to the exhaust-gas outlet and which extends in such a direction as to move away from the exhaust ports. In the exhaust pipe structure, the exhaust-gas inlet is formed at a position farther away from the exhaust ports than the exhaust-gas outlet is positioned.