Fuel Filter Cleaning Module with Gravity-Aligned Adsorbent
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Solution Overview
Problem
Existing fuel filter systems face challenges in effectively separating and purifying water contaminated with fuel components, particularly due to the limitations of activated carbon adsorbent lifespan and space constraints in vehicles, as well as the instability of diesel-in-water emulsions.
Innovation Solution
A fuel filter system with a cleaning module featuring a replaceable filter element containing absorptive and/or adsorbent material, such as activated carbon, designed for easy maintenance and optimized for compact installation, where the filter element can be easily replaced and monitored for loading, allowing flexible service intervals and efficient hydrocarbon removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-generated harmful factors
If activated carbon is used to purify water from fuel systems, then hydrocarbon removal effectiveness is improved, but the service life of the adsorbent is limited and it must be replaced frequently
Solution Approach 1:
The system dynamically adapts the service life of the cleaning module to actual operating conditions. A sensor monitors the fuel quality and water separation process, and the control unit adjusts the service interval accordingly. When fuel contains little or no water, the service life is extended; when water and hydrocarbon content is high, the service life is shortened. This dynamic adaptation optimizes both hydrocarbon removal effectiveness and adsorbent utilization.
Solution Approach 2:
The system incorporates a feedback mechanism where a sensor continuously monitors the fuel quality and water separation process. The control unit receives this information and adjusts the service life of the cleaning module accordingly. This closed-loop feedback ensures that the activated carbon is replaced based on actual loading conditions rather than fixed time intervals, maximizing its effectiveness and service life.
2Object-generated harmful factors
If a large amount of activated carbon is used to ensure sufficient adsorption capacity, then hydrocarbon removal effectiveness is improved, but installation space requirements increase
Solution Approach 1:
The cleaning module is designed with dynamically adjustable service life based on actual operating conditions. The control unit monitors fuel quality and water separation performance, extending the service interval when conditions are favorable and shortening it when conditions require more frequent replacement. This allows the system to achieve high hydrocarbon removal efficiency with a compact adsorbent bed, as the same volume of activated carbon provides longer effective service under optimal conditions.
Solution Approach 2:
The system changes the operational parameters of the activated carbon based on monitored conditions. When fuel quality is good and water content is low, the system extends the utilization period of the adsorbent. When fuel quality deteriorates or water content increases, the system adjusts the service parameters to maximize the efficiency of the available adsorbent volume. This parameter adaptation allows compact design while maintaining high removal efficiency.
3Ease of repair
If the cleaning module is designed as a lifetime component, then maintenance complexity is reduced, but the amount of activated carbon required becomes impractical due to space constraints
Solution Approach 1:
The system transitions from a static lifetime component design to a dynamic service-life-adjustment design. The control unit continuously monitors operating conditions and adjusts the recommended service interval accordingly. This allows the cleaning module to be replaced on demand based on actual wear and loading conditions, achieving the simplicity of a lifetime component (no frequent monitoring) while using a practical amount of activated carbon optimized for the actual service period.
Solution Approach 2:
The system incorporates self-monitoring capabilities where the control unit automatically tracks the utilization of the activated carbon based on monitored operating conditions. The system provides service recommendations without requiring user intervention or complex maintenance schedules. This self-service approach maintains the simplicity of a lifetime component while optimizing the amount of adsorbent needed for the actual service life achieved under specific operating 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
The system provides effective cleaning of water from fuel, optimizing the use of adsorbent material, reducing installation space, and allowing for needs-based maintenance, ensuring efficient hydrocarbon removal and environmental compliance without additional costs when using water-free fuel.
Implementation Method 1
the filter element has an absorbable and/or adsorbable material for absorbing at least a portion of the second medium in the first medium
Implementation Method 2
the filter element has an absorbable and/or adsorbable material for absorbing at least a portion of the second medium in the first medium
Data Source
Figure 1~2
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AI summary
The invention relates to a cleaning module (10) for cleaning a media stream of a first medium contaminated with a second medium. The module comprises a housing (12) with an inlet (18) and an outlet (20, 21), and a replaceable filter element (30) arranged in the housing (12). In the intended installed state, the flow direction (32) of the media stream through the filter element (30) is directed against gravity. The filter element (30) has an absorbent and/or adsorbent material (34) for absorbing at least a portion of the second medium in the first medium. The invention further relates to a filter element (30) for a cleaning module (10) and a filter system (100) with a cleaning module (10).