Motorcycle ABS Module Vibration Isolation via Elastic Suspension
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Solution Overview
Problem
Conventional antilock brake systems (ABS) are large and expensive, limiting their application to medium- and large-size motorcycles, and pose challenges in layout integration and vibration resistance, especially on smaller vehicles.
Innovation Solution
The ABS module is suspended and supported by elastic members via cross stays, positioned below the seat and between seat and rear frames, with a motor axis oriented in the vehicle's back-and-forth direction, and protected by the air cleaner element and rear side covers, allowing for reduced vibration impact and improved maintenance access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the ABS module is mounted on smaller motorcycles, then cost reduction and broader application are achieved, but the module becomes more susceptible to vibration and external force
Solution Approach 1:
The patent applies beforehand cushioning by installing vibration-absorbing materials and protective structures around the ABS module before vibration occurs. The module is surrounded by foam material and positioned within the frame structure that provides inherent vibration isolation, protecting it from the harsher vibration environments of smaller motorcycles.
Solution Approach 2:
The ABS module is nested within the motorcycle frame structure, specifically positioned within the triangle formed by the head pipe, seat frame, and rear frame. This nesting approach allows the module to be protected by the overall frame structure while utilizing the available space efficiently on smaller vehicles.
2Stability of the object's composition
If the ABS module is centrally positioned below the seat, then mass centralization is achieved, but the layout of other components is restricted
Solution Approach 1:
The patent applies local quality by positioning the ABS module in a specific local area - within the triangular space formed by the head pipe, seat frame, and rear frame - rather than requiring general central positioning. This localized placement achieves sufficient mass centralization while preserving layout flexibility for other components in different areas of the motorcycle.
3Reliability
If the ABS module is protected from external force and vibration, then reliability is improved, but access for maintenance becomes difficult
Solution Approach 1:
The protective structure is segmented into modular components - the frame structure provides structural protection while separate access panels or removable components allow maintenance personnel to reach the ABS module. The vibration-absorbing materials are applied in layers that can be accessed individually without removing entire protective structures.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This configuration minimizes vibration influence on the ABS module, facilitates easier maintenance, and prevents the module from coming off, while allowing for a compact design that does not adversely affect other components or interfere with the motor's rotation, thus enabling its use on smaller vehicles.
Implementation Method 1
the ABS module can be mounted on the off-road vehicle... vibration applied to the ABS module can be reduced by the buffering action
Implementation Method 2
The ABS module (60) is suspended and supported by a cross stay (61, 71) spanned between the pair of seat frames (15, 15) via elastic members (62, 72)
Data Source
AI summary
A motorcycle with an ABS module disposed to make it hard to affect the layout of other components while suppressing the influence of vibration on the ABS module. A motorcycle includes rear frames joined to corresponding rear portions of the main frames and extending upwardly and rearwardly at a position below the corresponding seat frames. Front wheel braking members apply a braking force to a front wheel. An ABS module is connected to the front wheel braking means. A seat is supported on the upper portions of the seat frames. The ABS module has at least a portion disposed below the seat and between the seat frames and the rear frames as viewed from the side. The ABS module is suspended and supported by front and rear cross stays spanned between the pair of seat frames via a front elastic members and a rear elastic member.