Brake Dust Filter Water Separation for Wet-Condition Reliability
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Solution Overview
Problem
Existing active brake dust particle filter systems face challenges in reliably operating in humid or wet environmental conditions, as water can reduce filter performance, decrease service lifetime, and damage airflow generators.
Innovation Solution
The system incorporates a water separating assembly with baffle elements to inertially separate water from the airflow, and a water drainage assembly to drain the separated water, ensuring that water does not affect the filter or airflow generator.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the system operates in humid or wet conditions, then the brake dust particle filter system can function in various environmental conditions, but water is dragged along in the airflow which reduces filter performance and may damage the airflow generator
Solution Approach 1:
A water separating assembly is introduced as an intermediary component between the collector and the airflow generator. This assembly includes a water separator that receives the airflow from the collector and separates water from the airflow before it reaches the airflow generator and filter element, thus protecting the system while maintaining operational capability in wet conditions
Solution Approach 2:
The water separating assembly extracts water from the airflow that is dragged along during operation in humid or wet conditions. By removing the harmful water component before it reaches the filter element and airflow generator, the system maintains reliability while preserving adaptability to various environmental conditions
2Adaptability or versatility
If water is present in the airflow, then the system can operate in wet conditions, but the filter element performance is reduced and service lifetime is decreased
Solution Approach 1:
The water separating assembly performs preliminary separation of water from the airflow before the air reaches the filter element. This preliminary action prevents water from accumulating on the filter element, thereby preserving filter performance and extending service lifetime while allowing operation in wet conditions
3Adaptability or versatility
If water is sucked into the airflow generator, then the system operates in humid conditions, but the airflow generator may be damaged or its performance impaired
Solution Approach 1:
The water separating assembly acts as a protective intermediary between the collector and the airflow generator. It intercepts and separates water from the airflow, preventing water from reaching the airflow generator and causing potential damage or performance impairment, thus ensuring reliable operation in humid conditions
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 solution allows the active brake dust particle filter system to be reliably operated in humid or wet conditions, preventing water from reducing filter performance, extending the filter's service life, and protecting the airflow generator from damage.
Implementation Method 1
The at least one baffle element is used to deflect the airflow from its original flow direction. However, due to its inertia, the water dragged along in the airflow can then no longer follow the deflected airflow. The water is separated from the airflow.
Data Source
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AI summary
An active brake dust particle filter system (1) includes an airflow generator (5) configured to generate an airflow, at least one collector (6) arranged at least partially surrounding at least one brake disc (4) and configured to collect brake dust particles from an ambient air of the at least one brake disc (4) via the airflow, at least one pipe (7) connecting the airflow generator (5) and the at least one collector (6) and for conducting the airflow from the at least one collector (6) towards the airflow generator (5), and a water separating assembly (9) including at least one baffle element (13, 14) configured to separate water from the airflow.