Filter Port Seal Surface Modification for Unauthorized Drain Prevention
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current filter assemblies face challenges in preventing unauthorized outlet ports from creating a sealed connection with the drain port, leading to potential leaks and unauthorized fluid drainage.
Innovation Solution
Incorporating surface modifications on the drain port that prevent unauthorized outlet ports without an o-ring seal member from sealing effectively, while allowing authorized ports with o-ring seal members to create a sealed connection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If surface modifications are added to the drain port to prevent unauthorized sealing, then security against unauthorized fluid drainage is improved, but device complexity increases
Solution Approach 1:
The drain port incorporates surface modifications at specific localized areas rather than modifying the entire structure. These modifications are concentrated at the sealing interface where they are most effective at preventing unauthorized sealing, while leaving other areas of the drain port simple and unchanged.
Solution Approach 2:
The surface modifications create an asymmetric sealing interface that is compatible only with authorized outlet ports having corresponding asymmetric features. This asymmetric design ensures that unauthorized ports cannot achieve proper alignment and sealing, as their symmetric or incompatible surfaces cannot mate with the modified drain port surface.
2Reliability
If surface modifications are incorporated to block unauthorized ports, then prevention of leaks is improved, but manufacturing complexity increases
Solution Approach 1:
The surface modifications alter the physical parameters of the drain port surface at the sealing interface, such as surface roughness, hardness, or chemical composition. These parameter changes can be achieved through standard manufacturing processes like anodizing, coating, or heat treatment, which modify surface properties without fundamentally changing the manufacturing approach.
3Reliability
If the drain port uses a modified surface to prevent unauthorized connection, then filtration integrity is maintained, but the sealing mechanism becomes more complex
Solution Approach 1:
The sealing mechanism uses localized surface modifications only at the critical sealing interface of the drain port, while the rest of the sealing mechanism remains simple and unchanged. This localized approach maintains filtration integrity without requiring complex modifications throughout the entire sealing system.
Data Source
AI summary
A filter assembly includes a drain port comprising a top portion and at least one surface modification along the top portion. The drain port defines an aperture therein and is alignable with an outlet port. The outlet port includes a seal member that is attachable to an end portion of the outlet port. A portion of the aperture of the drain port is sealable to the seal member when the drain port and the outlet port are aligned such that the at least one surface modification of the drain port does not abut the seal member of the outlet port, thereby creating a sealed connection between the drain port and the outlet port.