Master Cylinder Communication Path Air Bleeding
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Solution Overview
Problem
The existing braking device configurations require complex air bleeding procedures, which complicate the process and increase manufacturing costs and inefficiencies.
Innovation Solution
A master cylinder unit with a communication path that connects the master cylinder and stroke simulator, allowing air to be easily bled from the stroke simulator's pressure chamber to the secondary pressure chamber, eliminating the need for additional bleeder passages and plugs, and simplifying the air bleeding configuration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a traditional air bleeding configuration is used in the stroke simulator, then air can be bled from the pressure chamber, but the configuration becomes complex with additional bleeder passages and plugs
Solution Approach 1:
The communication path between the master cylinder and stroke simulator serves dual purposes: it enables both normal hydraulic communication and air bleeding functions. By merging these functions into a single path, the patent eliminates the need for separate bleeder passages and plugs, thereby simplifying the overall configuration while maintaining effective air bleeding capability.
Solution Approach 2:
The communication path is designed to perform multiple functions: it provides hydraulic communication between the master cylinder and stroke simulator during normal operation, and serves as an air bleeding path when needed. This multi-functionality reduces the number of dedicated components required, simplifying the device structure.
2Reliability
If additional bleeder passages and plugs are added to the stroke simulator, then air bleeding capability is improved, but manufacturing costs increase
Solution Approach 1:
The patent combines the air bleeding function with the existing communication path, eliminating the need for additional bleeder passages and plugs. This reduction in component count directly lowers manufacturing costs while maintaining reliable air bleeding capability through the integrated communication path.
3Reliability
If additional bleeder passages and plugs are added to the stroke simulator, then air bleeding capability is improved, but processing time and manufacturing complexity increase
Solution Approach 1:
By merging the air bleeding function into the existing communication path, the patent eliminates the need for separate assembly and disassembly of additional bleeder components. This integration reduces processing time during manufacturing and maintenance operations while ensuring air bleeding capability is maintained through the unified communication path.
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 simplifies the air bleeding process, reduces manufacturing costs, and improves efficiency by ensuring air can be smoothly moved from the stroke simulator's pressure chamber to the secondary pressure chamber, thereby reducing processing time and costs.
Implementation Method 1
a communication path that causes the master cylinder and the stroke simulator to communicate with each other
Data Source
AI summary
Provided is a master cylinder unit including a communication path that causes a master cylinder and a stroke simulator to communicate with each other. The stroke simulator includes a bottomed tube-shaped simulator piston and a simulator cylinder in which a simulator piston slides. The simulator piston is such that a bottom portion of the simulator cylinder and an opening portion of the simulator piston face each other. The communication path is open over an outer circumferential portion and an inner circumferential portion of the opening portion of the simulator piston, is connected to the bottom portion of the simulator cylinder, and is provided such that the communication path extends upward in a vertical direction from the bottom portion of the simulator cylinder as approaching to a pressure chamber.