Motorcycle Radiator Layout for Exhaust Interference
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
In motorcycles, as engine displacement increases, exhaust pipes' connecting positions rise, causing radiators to be positioned closer to the front, which narrows the movable range of the front wheel due to interference with exhaust pipes.
Innovation Solution
The radiators are arranged with a wider distance towards the front side, and the exhaust pipes are positioned between the radiators and the down frame, allowing the radiators to be closer to the engine while maintaining the front wheel's movable range by overlapping the down frame and using communication pipes to optimize space.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If radiators are arranged closer to the front side to avoid interference with exhaust pipes, then interference between radiators and exhaust pipes is avoided, but the movable range of the front wheel is narrowed
Solution Approach 1:
The patent transitions from a one-dimensional front-rear arrangement to a two-dimensional left-right arrangement by positioning radiators on both sides of the down frame. This spatial reconfiguration allows radiators to be located laterally rather than longitudinally, avoiding exhaust pipe interference while preserving front wheel movement space
Solution Approach 2:
The patent divides the single radiator into a pair of left and right radiators positioned on opposite sides of the down frame. This segmentation distributes the cooling function across multiple locations, enabling each radiator to be positioned in available lateral space without interfering with the exhaust pipe's central path
2Power
If engine displacement is increased, then engine power is improved, but the connecting position of exhaust pipes becomes higher causing spatial interference
Solution Approach 1:
The patent resolves the spatial conflict caused by higher exhaust pipe connections by moving radiators from a front-rear dimensional arrangement to a left-right dimensional arrangement. This allows larger engines with higher exhaust connections to coexist with radiators in the same longitudinal space without interference
Data Source
AI summary
A motorcycle including a vehicle body frame with a single down frame extending downwardly and rearwardly from a head pipe supporting a front fork in a steerable manner. An engine main body arranged behind the down frame, said engine main body being mounted on the vehicle body frame. A pair of left and right radiators arranged separately on left and right sides of the down frame respectively, said pair of left and right radiators being supported on the vehicle body frame in front of the engine main body. Exhaust pipes connected to front portions of an engine main body with a down frame and a pair of left and right radiators being arranged side by side in a left-right direction wherein the exhaust pipes are located between at least one of the pair of left and right radiators and the down frame in a vehicle front view.