Jet Fuel Filter Assembly with Flow Vanes
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Solution Overview
Problem
Existing jet fuel filter cartridges often rupture prematurely due to the pressure surge of jet fuel, leading to inefficient filtration and reduced service life.
Innovation Solution
A jet fuel filter assembly featuring a hollow tube filter element with flow vanes, designed to fit within the filter cartridge at its bottom, which distributes the fluid flow force and reduces pressure on the cartridge material.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If jet fuel enters the bottom of the filter cartridge directly, then filtration can begin immediately, but the filter cartridge cannot withstand the pressure surge and ruptures prematurely
Solution Approach 1:
The patent introduces a surge pressure relief device as an intermediary component between the jet fuel inlet and the filter cartridge. This device includes a hollow tube with flow vanes that distributes the incoming fuel flow, preventing direct high-pressure impact on the filter cartridge bottom while still allowing filtration to proceed efficiently.
Solution Approach 2:
The surge pressure relief device segments the incoming jet fuel flow into multiple smaller streams using flow vanes, rather than allowing a single concentrated high-pressure jet to strike the filter cartridge. This segmentation distributes the force across a larger area, preventing rupture.
2Loss of time
If the filter cartridge is placed at the bottom of the vessel to receive jet fuel, then the filtration process can start immediately, but the cartridge material cannot withstand the surge pressure
Solution Approach 1:
The surge pressure relief device is installed beforehand to cushion and absorb the pressure surge before it reaches the filter cartridge. The hollow tube structure with flow vanes creates a buffer zone that dissipates the shock wave, protecting the cartridge material from premature failure.
3Productivity
If the filter cartridge receives direct jet fuel surge, then filtration begins immediately, but the cartridge ruptures and filtration performance is lost
Solution Approach 1:
The patent converts the harmful pressure surge into a beneficial distributed flow pattern. The flow vanes in the hollow tube take the high-pressure jet and redirect it into multiple controlled streams that pass through the filter cartridge in a manner that maintains filtration efficiency while eliminating the damaging concentrated force.
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 filter element effectively prevents premature rupturing of the filter cartridges by distributing the fluid flow force, thereby extending the service life and ensuring consistent filtration performance.
Implementation Method 1
The filter element comprises a hollow tube member having a top, a bottom, a length extending from the top to the bottom, an interior wall, an exterior wall, and a diameter less than the diameter of the filter cartridge. The filter element further comprises a plurality of flow vanes extending from the interior wall of the hollow tube member toward a center of the hollow tube member.
Data Source
AI summary
Described is a jet fuel filter assembly. The jet fuel filter assembly includes an elongated filter cartridge and a filter element formed to fit within the bottom of the filter cartridge. The filter element consists of a hollow tube member and flow vanes extending from an interior wall of the hollow tube member toward a center of the hollow tube member. The flow vanes redirect jet fuel entering the filter cartridge in a helical path, thereby preventing premature rupturing of the filter cartridge due to jet fuel surges.