Wireless Brake Bleeding System with Remote Modules
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Solution Overview
Problem
Conventional automatic brake bleed systems face issues with hose handling and entanglement, leading to operator frustration and inefficiency due to the need for multiple hoses and potential spillage during brake fluid exchange.
Innovation Solution
A wireless brake bleeding system with remote bleed modules that store waste fluid locally and connect to a central unit for later removal, reducing the need for multiple hoses and minimizing spillage, using radio frequency technology for control and a vacuum pump for fluid management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple hoses are used for brake fluid exchange, then complete fluid removal and replacement is achieved, but hose handling and entanglement problems occur
Solution Approach 1:
The system divides the brake fluid exchange function into separate modules: a central control unit and multiple remote bleed modules (one for each brake caliper). Each remote module independently performs bleeding at its location, eliminating the need for multiple hoses to return fluid to a central point. This segmentation resolves the hose entanglement problem while maintaining complete fluid exchange capability.
Solution Approach 2:
The return hose function is extracted and eliminated entirely. Instead of using hoses to return waste fluid from each brake caliper to the central unit, the system allows fluid to drain locally at each remote bleed module. The central unit only needs to provide vacuum and control signals, not physical fluid return pathways, thereby eliminating hose handling complexity.
2Reliability
If hoses are used for fluid return, then waste fluid is collected, but spillage from residual fluid in hoses occurs
Solution Approach 1:
The system extracts and eliminates the return hose pathway that causes spillage. By allowing waste fluid to drain directly into containers at the remote bleed modules rather than returning through hoses to the central unit, the system eliminates the source of residual fluid spillage while maintaining effective waste collection capability.
Solution Approach 2:
The system converts the potential harm of residual fluid in hoses into a benefit by eliminating the hose return pathway entirely. The remote modules are designed to capture and contain all waste fluid locally, transforming what would be a spillage hazard into a controlled containment solution.
3Adaptability or versatility
If multiple hoses are required, then all brake locations can be serviced, but storage and handling complexity increases
Solution Approach 1:
The system segments the bleeding function into distributed remote modules located at each brake caliper. Each module is self-contained and handles its local fluid exchange independently, eliminating the need for a complex network of hoses to connect all brake locations to a central unit. This segmentation maintains full brake location coverage while dramatically simplifying system storage and handling.
Solution Approach 2:
The system transitions from a centralized fluid return architecture to a distributed local drainage architecture. Instead of routing all fluid returns through hoses to a central point (one-dimensional centralization), the system allows each remote module to handle its own fluid locally (multi-dimensional distribution), eliminating hose complexity while maintaining adaptability to all brake locations.
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 simplifies brake fluid exchange by eliminating the need for multiple hoses, reducing storage and handling complexities, and minimizing spillage, thereby enhancing operational efficiency and reducing operator frustration.
Implementation Method 1
a vacuum pump for providing a vacuum charge to the container
Implementation Method 2
means responsive to the wirelessly transmitted signals from the central unit for opening and closing the valve
Data Source
AI summary
Automotive service equipment for brake fluid exchange includes a central unit having a controller for operating the equipment and a communication module for wirelessly communicating with each of a plurality of remote bleed modules to control bleeding brake fluid from respective brake bleeders of a vehicle connected to the modules. The brake fluid from the brake bleeders is stored in containers in the modules for later removal. When disconnected from the brake bleeders, the modules are moved to docking stations on the central unit for emptying brake fluid from the module containers and vacuum charging the containers for brake bleeding. The automotive service equipment and related method of performing brake fluid exchange in an automotive vehicle avoid the use of hoses for returning the waste fluid to the central unit thus reducing the problem of storage and handling of such hoses and spillage of residual fluid left in the hoses.