Compact Brake Pressure Control Layout for Straddle-Type Vehicles
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Solution Overview
Problem
Straddle-type vehicles face challenges in reducing the size and improving flexibility in the layout and installation of brake hydraulic pressure control systems due to the limited space and layout constraints.
Innovation Solution
A brake hydraulic pressure control system for straddle-type vehicles that incorporates a brushless motor disposed within a space surrounded by a substrate and housing, utilizing a detection mechanism to accurately position the motor, and employing a crimping method for secure attachment, thereby reducing system size and improving positional accuracy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the motor is disposed outside the substrate and housing, then the motor has sufficient space for installation and assembly, but the overall system size increases
Solution Approach 1:
The motor is integrated within the space surrounded by the substrate and housing, merging previously separate components into a unified compact structure. This reduces the overall system volume while maintaining functional independence of each component.
Solution Approach 2:
The motor is nested within the space defined by the substrate and housing boundaries, with the output shaft extending through the substrate. This nested arrangement maximizes space utilization and minimizes the external dimensions of the brake hydraulic pressure control system.
2Volume of moving object
If the motor is disposed within the space surrounded by substrate and housing, then the system size is reduced, but the positional accuracy of the motor becomes difficult to control
Solution Approach 1:
A detection mechanism is introduced as an intermediary between the motor and the control system. This mechanism detects the rotation state of the output shaft and provides feedback to ensure accurate positioning and control, compensating for the challenges of integrating the motor within the compact space.
Solution Approach 2:
The detection mechanism provides feedback on the rotation state of the output shaft, enabling closed-loop control of the motor position. This feedback system ensures manufacturing precision is maintained despite the motor being integrated within the limited space.
3Volume of moving object
If a brushless motor is used to reduce size, then the system becomes more compact, but a detection mechanism is required which increases device complexity
Solution Approach 1:
The detection mechanism serves multiple functions: it detects the rotation state of the output shaft, provides feedback for position control, and enables the brushless motor to operate efficiently. By consolidating these functions into a single integrated mechanism, the added complexity is minimized while achieving multiple objectives.
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 system achieves a compact design by integrating the motor within the substrate and housing, enhancing positional accuracy and reliability while maintaining efficient hydraulic pressure control operations.
Implementation Method 1
a motor which includes a stator, a rotor, and an output shaft secured to the rotor, and is a driving source for a pump device provided in the flow channel; the motor is a brushless motor
Implementation Method 2
a detection mechanism which is configured to detect a rotation state of the output shaft
Data Source
AI summary
To achieve a brake hydraulic pressure control system for a straddle-type vehicle which makes it possible to reduce its size as compared to existing ones.A brake hydraulic pressure control system (70) according to the present invention including: a substrate (80); a motor (40) which is a brushless motor configured to drive a pump device (31); a housing (85) which is connected to the substrate (80); and a detection mechanism (60) which is configured to detect the rotation state of an output shaft (45) of the motor (40), in which the motor (40) is disposed in a space surrounded by the substrate (80) and the housing (85), and a bearing (46) of the motor (40) is inserted into a concave part (84) formed in the substrate (80).