ABS Modulator Disposition in Saddle Riding Vehicle Frame

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Solution Overview

Problem

In ABS disposition structures of saddle riding vehicles, it is challenging to secure sufficient space for the ABS unit when a rear suspension is centered in the vehicle width direction, as it complicates the vehicle body frame design and limits the available space for the ABS modulator.

Innovation Solution

The ABS modulator is positioned between the cushion and the center frame in the vehicle width direction, with its central axis offset from the center frame in the forward and rearward direction, allowing for efficient use of space and protection from external impacts, and is designed to be longer in the forward and rearward direction than in the vehicle width direction, enabling its placement in a compact space.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Shape

If the cushion is disposed at a center in the vehicle width direction, then the vehicle body frame shape is improved, but the disposition space for the ABS unit becomes insufficient

Engineering Contradiction:

Improvevehicle body frame shapeVSAvoiddisposition space for ABS unit

Core Design Contradiction:

ShapeVSArea of stationary object

Solution Approach 1:

The ABS modulator is oriented with its longitudinal direction extending in the forward-rearward direction rather than the vehicle width direction. This dimensional reorientation allows the ABS modulator to fit into the limited space between the cushion and center frame by utilizing the forward-rearward dimension, thereby resolving the space insufficiency problem while maintaining the centered cushion configuration.

Inventive Principle:

Principle #17Another dimension (Dimensionality change)

2Area of stationary object

If the ABS modulator is disposed between the cushion and center frame, then the space utilization is improved, but the ABS modulator becomes vulnerable to external impacts

Engineering Contradiction:

Improvespace utilizationVSAvoidexternal impacts

Core Design Contradiction:

Area of stationary objectVSObject-affected harmful factors

Solution Approach 1:

The stay is integrated with the vehicle body frame structure to provide combined support and protection for the ABS modulator. This merging of the stay with the frame creates a protective framework that shields the ABS modulator from external impacts while maintaining its compact disposition between the cushion and center frame.

Inventive Principle:

Principle #5Merging (Combining)

3Area of stationary object

If the ABS modulator is made longer in the forward and rearward direction, then the space requirement in vehicle width direction is reduced, but the structural complexity increases

Engineering Contradiction:

Improvespace requirement in vehicle width directionVSAvoidstructural complexity

Core Design Contradiction:

Area of stationary objectVSDevice complexity

Solution Approach 1:

The stay serves multiple functions: it supports the ABS modulator, connects to the vehicle body frame, and provides protective shielding from external impacts. This multi-functionality reduces the need for additional separate components, thereby minimizing structural complexity despite the ABS modulator's extended forward-rearward configuration.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Data Source

PatentUS11034405B2ABS disposition structure of saddle riding vehicle

Publication Date: 2021.06.15 HONDA MOTOR CO LTD

AI summary

An ABS disposition structure of a saddle riding vehicle includes a head pipe, a main frame, a pair of left and right center frames extending downward from a rear section of the main frame and having a pivot section by which a front end portion of a swing arm is pivotably supported, a cushion disposed at a center in a vehicle width direction, and an ABS modulator configured to perform ABS control, wherein, when seen in a side view, a central axis of the cushion is disposed to be offset from a center frame in a forward and rearward direction, and the ABS modulator is disposed between the cushion and the center frame in a vehicle width direction.