Straddle Vehicle Bracket for Vertical Battery and Air Cleaner Stacking
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Solution Overview
Problem
In straddle-type vehicles, reducing the size of the engine and frame width leads to limited space for the air cleaner and battery, making it difficult to maintain sufficient air supply to the engine while keeping the battery centered for stability, as the air cleaner capacity is reduced and the battery's position affects the vehicle's center of gravity.
Innovation Solution
A straddle-type vehicle design where the air cleaner is positioned between a pair of seat frames, with a bracket supporting both the air cleaner and battery, allowing the battery to be placed above the air cleaner and extending the air cleaner rearward to maintain capacity and center the battery, thus preventing the battery from being positioned too far rearward and ensuring sufficient air supply.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If the air cleaner is expanded rearward to secure capacity, then air supply to the engine is sufficient, but the battery must be moved rearward which worsens vehicle stability
Solution Approach 1:
The patent transitions from horizontal placement (side-by-side arrangement of air cleaner and battery) to vertical stacking (air cleaner below, battery above), allowing both components to occupy the same lateral space while maintaining their respective functions and optimal positions
2Area of stationary object
If the battery is disposed on the lateral side of the air cleaner, then space utilization is improved, but the air cleaner width must be reduced which decreases its capacity
Solution Approach 1:
The patent utilizes the vertical dimension by stacking the battery above the air cleaner, allowing both components to be positioned within the same lateral footprint while maintaining full capacity of the air cleaner and proper spacing for the battery
3Volume of stationary object
If the space below the fuel tank and behind the cylinder head is reduced, then vehicle size is reduced, but the air cleaner capacity must be reduced which affects engine air supply
Solution Approach 1:
The patent employs vertical stacking to place the air cleaner in the limited space below the fuel tank while positioning the battery vertically above it, maximizing the use of available vertical space and maintaining air cleaner capacity without increasing overall vehicle footprint
Data Source
AI summary
There is provided a straddle-type vehicle, including: a pair of seat frames; a seat; an air cleaner; a battery; and a bracket. A rear portion of the air cleaner and the battery are positioned below the seat. The battery is disposed above the rear portion of the air cleaner. The bracket extends in a left-right direction of the straddle-type vehicle and passes between the rear portion of the air cleaner and the battery. A left end side and a right end side of the bracket are connected to the pair of seat frames respectively. The rear portion of the air cleaner is suspended by the bracket. The battery is installed on the bracket.