Series Fuel Filter Manifold with Diverting Module
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Solution Overview
Problem
Conventional fuel filtration systems for compression-ignition engines are complex and prone to additional leak points due to the increased number of components, which can lead to maintenance challenges and reduced effectiveness in removing contaminants from fuel, potentially causing engine damage and corrosion.
Innovation Solution
A manifold configuration that directs fuel flow through multiple filter elements in a series, utilizing a diverting module to ensure that fuel passes through each filter element before proceeding to the next, allowing for enhanced filtration without the need for additional space or redesign, thereby maintaining a compact and efficient filtration system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple separate fuel filters are added to improve filtration effectiveness, then contaminant removal is enhanced, but system complexity and potential leak points increase
Solution Approach 1:
The patent combines multiple filter elements (first filter element and second filter element) into a single integrated fuel filter assembly with a common housing. This merging approach maintains enhanced filtration effectiveness by filtering fuel through multiple stages while reducing system complexity by eliminating the need for separate filter housings and connections, thereby reducing potential leak points.
Solution Approach 2:
The patent segments the filtration process into multiple stages within a single housing, where fuel passes through a first filter element for initial filtration and then through a second filter element for additional filtration. This segmentation of the filtration function within an integrated structure achieves both improved contaminant removal and reduced system complexity.
2Reliability
If additional fuel filters are installed to improve filtration, then contaminant removal is enhanced, but the number of components and maintenance requirements increase
Solution Approach 1:
The patent merges multiple filter elements into a single serviceable unit housed in one housing. This allows the entire multi-stage filtration system to be maintained as one component assembly, reducing maintenance complexity and making repair easier compared to managing multiple separate filters, while still achieving enhanced contaminant removal through the multiple filtration stages.
3Productivity
If multiple filter elements are used in parallel, then filtration capacity is increased, but a given volume of fuel is filtered only once rather than multiple times
Solution Approach 1:
Instead of arranging filter elements in parallel where fuel is filtered once through one element, the patent inverts the approach by arranging filter elements in series within the same housing. Fuel passes sequentially through the first filter element and then through the second filter element, ensuring that each volume of fuel is filtered multiple times for enhanced effectiveness, while the compact series arrangement maintains efficient filtration capacity.
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 ensures more complete removal of particulate matter and non-fuel fluids from the fuel, improving engine performance and reducing the risk of damage while maintaining a compact and efficient filtration system, allowing for enhanced fuel filtration without the need for major retooling or reconfiguration.
Implementation Method 1
a first filter element and a second filter element arranged within a housing and configured to filter fuel
Data Source
AI summary
A manifold for a fuel filter assembly includes a first base, which may define a first inlet passage to direct flow to a first filter element, and a first outlet passage to direct flow from the first filter element to a second base. The manifold includes a second base, which may define a second inlet passage to receive flow from the first base and direct the flow to the second filter element, and a second outlet passage to receive the flow from the second filter element. The manifold includes a diverting module, which may provide flow communication between the first outlet passage and second inlet passage, such that flow in the first inlet passage passes through the first filter element before entering the second inlet passage. The first and second inlet passages may define a common longitudinal axis. The first and second outlet passages may define a common longitudinal axis.