Fuel Filter Cartridge Water Separation via Nested Design
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing fluid filter cartridges, particularly fuel filter cartridges, face challenges in compact design and efficient water separation from fuel, with limited space efficiency and sensitivity to tilting positions, which affects the separation of water and fuel.
Innovation Solution
A fluid filter cartridge design featuring a first filter element for water separation and a second tubular filter element with an open interior, where the water collecting space is positioned within the open filter interior of the second element, allowing for a compact and tall, narrow shape that improves water separation by gravity and reduces space requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the water collecting space is positioned outside the filter element interior, then the water separation function is improved, but the overall size and space requirements increase
Solution Approach 1:
The water collecting space is positioned at least partly within the open filter interior of the second filter element, nesting the water collection function inside the existing filter structure. This eliminates the need for separate external water collection chambers, thereby improving water separation while maintaining a compact overall size.
Solution Approach 2:
The patent combines the water collection space with the filter element interior, merging two previously separate functions (filtration and water collection) into a single integrated structure. This reduces the total volume required while maintaining both functions' effectiveness.
2Volume of moving object
If the filter cartridge is designed with compact dimensions, then space requirements are reduced, but the water-fuel separation efficiency deteriorates
Solution Approach 1:
The patent employs a tall, narrow configuration for the filter cartridge, changing the dimensional proportions from a short, wide design to a vertically elongated structure. This dimensional change allows sufficient water collection capacity and separation efficiency within a reduced horizontal footprint, thereby meeting compact space requirements without compromising separation performance.
3Strength
If the filter cartridge housing is made robust and large, then structural strength is improved, but the installation space and accessibility worsen
Solution Approach 1:
The patent employs a thin-walled housing design that achieves sufficient structural strength through optimized geometry and material selection rather than increased wall thickness. This allows the housing to maintain adequate strength while being compact and easy to install, improving accessibility without compromising structural integrity.
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 design enhances the separation of water from fuel, reduces space requirements, and minimizes the impact of tilting positions on water-in-fuel sensor readings, resulting in a more efficient and compact filtration system.
Implementation Method 1
a water collecting space for collecting water separated from the fluid by the first filter element is provided that is positioned at least partly within the open filter interior of the second filter element
Implementation Method 2
a first filter element (1100), which is an element for separating water from fluid
Data Source
Figure 1
Figure 2
Figure 3
AI summary
Fluid filter cartridges, in particular fuel filter cartridges, fluid filter arrangements, and methods for servicing a fluid filter arrangement.