Hydraulic Control Device for Two-Wheeled Vehicle Brake System
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Solution Overview
Problem
Conventional two-wheeled vehicle brake systems face challenges such as inefficient braking force, increased braking distance, loss of balance due to front wheel locking, and high costs associated with retrofitting electronic ABS systems, which can lead to accidents and safety issues.
Innovation Solution
A hydraulic control device for an antilock brake system that includes a body with an inlet and outlet port, a movable piston, a stopper, a spring, and a control bolt, which limits piston displacement to maintain hydraulic pressure near the lock point, preventing slipping and ensuring stable braking while minimizing the risk of brake function loss due to external shocks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If electronic ABS is mounted on a two-wheeled vehicle, then braking performance and anti-lock functionality are improved, but the cost and complexity of the system increase significantly
Solution Approach 1:
The patent replaces the electronic control system of conventional ABS with a purely mechanical hydraulic control device. The piston mechanism with spring and stopper provides automatic pressure regulation without requiring sensors, electronic controllers, or complex wiring, thereby dramatically reducing system cost and complexity while maintaining anti-lock braking functionality
Solution Approach 2:
The mechanical hydraulic control device operates autonomously using the kinetic energy of the moving parts themselves. The piston's forward motion compresses the spring, and the spring's subsequent expansion automatically releases pressure to unlock the wheel, creating a self-regulating system that requires no external power source or electronic intervention
2Productivity
If hydraulic pressure is increased beyond the lock point to improve braking force, then braking efficiency improves, but the wheel locks causing loss of steerability and potential accidents
Solution Approach 1:
The spring-loaded piston mechanism is pre-configured to automatically counteract excessive hydraulic pressure before it can cause wheel lockup. When pressure exceeds the spring force, the piston moves forward to shut off the pressure source, preventing the harmful effect of wheel locking and maintaining steerability
Solution Approach 2:
The mechanical system provides immediate feedback through the piston's physical movement in response to pressure changes. The piston automatically adjusts its position based on the balance between hydraulic pressure and spring force, creating a closed-loop control system that maintains optimal braking pressure without electronic sensors
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
The device maintains effective braking without slipping, reduces braking distance, ensures steerability on adverse road conditions, and prevents unsteerable conditions, while being cost-effective for low-class motorcycles, thus enhancing rider safety without the need for expensive ABS system retrofits.
Implementation Method 1
a spring which presses the stopper to apply a restoring force to the piston
Implementation Method 2
a hydraulic control device of an antilock brake system including: a body which includes an inlet port and an outlet port
Data Source
AI summary
The present invention relates to a hydraulic control device for an antilock brake system, which is capable of maintaining a certain amount of braking performance even in the event of a disturbance or repeated use, by enabling the restriction of the displacement of a control bolt to a certain range. Therefore, through the present invention, braking ability is not lost under any circumstances, and accidents caused by a loss of braking function due to the malfunctioning of a hydraulic control device for an antilock brake system can be averted.