Coalescing Filter Insert With External Seal Verification
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Solution Overview
Problem
Existing coalescing filter inserts for liquid separators are difficult to mount and demount correctly, leading to potential errors and safety issues during servicing, as the seal elements are not easily visible or identifiable from the exterior.
Innovation Solution
A coalescing filter insert with a radially extending seal element that projects through the pressure vessel, featuring a visible marking or code on its outer surface, allowing for external identification and facilitating correct installation and removal, along with a corresponding radial cutout in the pressure vessel for secure sealing and easy handling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the seal element is attached to the radially outer rim of the flange and accommodated in the housing of the pressure vessel, then the sealing function is achieved, but the seal element cannot be seen from the exterior and correct installation cannot be verified
Solution Approach 1:
The seal element is extended radially outward to project through the pressure vessel wall, transitioning from a completely internal configuration to one that spans multiple dimensions (internal sealing surface to external visible surface). This dimensional extension allows verification of correct installation from the exterior while maintaining the internal sealing function.
Solution Approach 2:
The radially extending portion of the seal element acts as an intermediary between the internal sealing function and external verification needs. This intermediate structure projects through the pressure vessel wall to provide visual confirmation of correct installation without compromising the sealing capability at the internal interface.
2Ease of operation
If the seal element is completely internal and accommodated in the housing, then the sealing function is maintained, but servicing and verification require opening the pressure vessel
Solution Approach 1:
The seal element extends from the internal sealing plane through the pressure vessel wall to the external surface, creating a multi-dimensional structure that serves both sealing and verification functions simultaneously, eliminating the need to open the pressure vessel for routine checks.
Solution Approach 2:
The radially extending seal element provides self-verification capability, allowing operators to confirm correct installation and presence of the seal element through external visual inspection without requiring disassembly or opening of the pressure vessel.
3Difficulty of detecting and measuring
If the seal element projects through the pressure vessel, then external identification is enabled, but the seal element structure becomes more complex
Solution Approach 1:
The seal element is extended radially outward to project through the pressure vessel wall, transitioning from a completely internal configuration to one that spans multiple dimensions (internal sealing surface to external visible surface). This dimensional extension allows verification of correct installation from the exterior while maintaining the internal sealing function.
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
Enhances safety by ensuring correct filter installation, simplifies servicing by allowing external verification of the filter's presence and type, and facilitates easy removal and installation through visible markings and ergonomic design.
Implementation Method 1
the seal element seals the hollow-cylindrical interior of the pressure vessel, configured for accommodating the coalescing filter insert, in relation to the ambient pressure
Implementation Method 2
separating liquid and/or aerosol from a gas flow by means of the coalescence principle; The at least one hollow-cylindrically configured separator element is configured as a hollow cylindrical coalescing device which coalesces the fine oil droplets to larger oil drops
Implementation Method 3
coalesces the fine oil droplets to larger oil drops which, due to the force of gravity, precipitate in downward direction
Data Source
AI summary
A coalescing filter insert for installation in a pressure vessel of a liquid separator has a coalescing separator element separating liquid/aerosol from a gas flow. An annular disk-shaped flange at an end face of the separator element can be exchangeably arranged between a cover and a cylindrical body of the pressure vessel. The flange has a support surface at a radially outer rim thereof to be supported on an upper support region of the pressure vessel body. A seal element is arranged at the support surface of the flange such that, in a position of use, it seals the interior of the pressure vessel against ambient pressure. A seal element extension of the seal element extends radially outwardly away from the flange support surface and, arranged between cover and body of the pressure vessel, projects through the pressure vessel in the position of use.