Straddled EV Radiator Layout Within the Reinforcing Frame
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Solution Overview
Problem
The right and left radiators in straddled electric vehicles interfere with other components due to their forward positioning, leading to potential interference and damage.
Innovation Solution
The radiators are positioned such that at least a part overlaps the reinforcing frame, with the right radiator disposed rightward and the left radiator disposed leftward, enhancing rigidity and preventing interference with other components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If the radiators are positioned forward in the straddled electric vehicle, then the cooling efficiency is improved, but the radiators interfere with other components such as the front fork
Solution Approach 1:
The patent positions the radiators to overlap with the reinforcing frame in side view, utilizing the vertical dimension and lateral positioning rather than only forward positioning. This dimensional change allows the radiators to achieve proper placement without interfering with front components like the front fork, while still maintaining effective cooling through optimal placement relative to the frame structure.
Solution Approach 2:
The radiators are nested within the space defined by the reinforcing frame structure. By positioning the radiators to overlap the reinforcing frame, the design utilizes the existing frame geometry to accommodate the radiators in a compact arrangement that prevents interference with other components while maintaining cooling effectiveness.
2Temperature
If the radiators are positioned forward, then the cooling performance is enhanced, but the structural rigidity is reduced due to lack of frame support
Solution Approach 1:
The patent merges the radiator positioning with the reinforcing frame structure by having the radiators overlap the frame in side view. This integration allows the radiators to benefit from the frame's structural support and rigidity while maintaining their cooling function, eliminating the need for separate support structures.
3Temperature
If the radiators are positioned forward, then the cooling capacity is improved, but the risk of damage from interference with other components increases
Solution Approach 1:
The patent extracts the radiators from the forward position that causes interference with components like the front fork. By repositioning the radiators to overlap the reinforcing frame instead, the design removes the harmful interference while preserving the cooling capacity through optimal placement within the frame structure.
Data Source
AI summary
A straddled electric vehicle, including: a head pipe; a main frame extending rearward from the head pipe; a down frame extending downward from the head pipe and disposed below the main frame; a reinforcing frame connected to the main frame and the down frame; a battery, at least a part of which overlaps the main frame in a side view of the straddled electric vehicle; a right radiator disposed rightward of the reinforcing frame; and a left radiator disposed leftward of the reinforcing frame. At least a part of the right radiator overlaps the reinforcing frame in the side view of the straddled electric vehicle. At least a part of the left radiator overlaps the reinforcing frame in the side view of the straddled electric vehicle.