Selective Ion Filter Reservoir for Fuel Cell Coolant Isolation
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Solution Overview
Problem
The durability of ion filters in fuel cell systems is compromised due to continuous exposure to coolant, leading to shortened lifespan and increased maintenance needs.
Innovation Solution
A coolant reservoir with a selectively exposed ion filter that connects to the coolant line only when necessary, based on measured insulation resistance values, to remove ions from the coolant.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the ion filter is always exposed to the circulating coolant, then the ionic substances in the coolant can be continuously removed, but the durable life of the ion filter is shortened
Solution Approach 1:
The ion filter is designed with movable mounting means that allow it to dynamically change its position between exposed and non-exposed states relative to the coolant flow. The filter mounting means can be shifted along the coolant line, enabling the filter to be selectively exposed to coolant only when ion removal is necessary, thereby extending its operational lifespan while maintaining filtration capability when needed
Solution Approach 2:
The system changes the exposure parameter of the ion filter by adjusting its position relative to the coolant line. By controlling whether the filter is exposed to coolant or protected from it, the system optimizes both the durability of the filter and the effectiveness of ion removal based on the operational requirements of the fuel cell system
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 improves the durability of the ion filter by limiting its exposure to coolant, thereby extending its lifespan and reducing maintenance requirements.
Implementation Method 1
an ion exchange resin, configured to substantially filter the ions contained in the coolant, is built in the ion filter
Data Source
AI summary
A coolant reservoir includes an ion filter, the coolant reservoir includes a main body in which a coolant to cool a fuel cell stack is stored, and the ion filter configured to be selectively connected to a coolant line, through which the coolant flows, to remove ions contained in the coolant when a measured insulation resistance value of a fuel cell system changes.