Front Fork Caliper Bracket Integrating Pressure Tank and Wheel Speed Sensor
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Solution Overview
Problem
In existing vehicle configurations, the wheel speed sensor protrudes externally from the caliper bracket, making it difficult to compactly dispose the pressure tank and wheel speed sensor, which affects the appearance and maintenance of the front fork lower portion of a saddle riding vehicle.
Innovation Solution
A front fork lower portion structure where the pressure tank is integrated between the upper and lower caliper support portions of the caliper bracket, and the sensor mounting portion is positioned either superior or inferior to the pressure tank, allowing for a compact layout and protection of the wheel speed sensor with a protection member, enhancing the structural integrity and reducing exposure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the wheel speed sensor protrudes inferiorly from the lower edge of the caliper bracket, then the sensor is accessible for installation, but it is exposed on the outside and cannot be compactly disposed with the pressure tank
Solution Approach 1:
The wheel speed sensor is mounted on the sensor mounting portion which is integrated into the caliper bracket structure. The sensor is positioned within the internal space of the caliper bracket, nested between the upper and lower caliper support portions, rather than protruding externally. This nesting approach allows the sensor to be protected within the bracket's internal volume while remaining accessible for installation and maintenance.
2Shape
If the caliper bracket, wheel speed sensor, and pressure tank are disposed compactly, then the appearance is improved, but the structural complexity increases
Solution Approach 1:
The sensor mounting portion is integrally formed with the caliper bracket, merging the sensor mounting function into the existing bracket structure. The caliper bracket is designed with an integrated sensor mounting portion that is formed as one piece with the bracket body, eliminating the need for separate sensor mounting brackets or additional integration steps. This merging approach achieves compact disposal of components while avoiding increased structural complexity.
3Ease of repair
If the wheel speed sensor is exposed on the outside, then it is easy to access for maintenance, but it is vulnerable to chipping and other disturbances
Solution Approach 1:
The wheel speed sensor is positioned within the internal space of the caliper bracket, nested between the upper and lower caliper support portions. This nesting provides physical protection for the sensor from chipping and disturbances while maintaining accessibility for maintenance. The sensor is not exposed externally but can still be accessed through the open structure of the caliper bracket during service.
Data Source
AI summary
A front fork, which suspends a front wheel is a compression type and includes a pressure tank at a lower end portion thereof. The front fork includes, at the lower end portion, a caliper bracket which supports a brake caliper which constitutes a disc brake and a sensor mounting portion on which a wheel speed sensor is mounted. The caliper bracket includes a pair of an upper caliper support portion and a lower caliper support portion. In a vehicle side view, the pressure tank is disposed between the upper caliper support portion and the lower caliper support portion, and the sensor mounting portion is disposed inferior to or superior to the pressure tank.