Liquid Separator Shield Filter Mounting
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Solution Overview
Problem
Existing liquid separators lack flexibility and are often oversized for smaller flow rates, leading to inefficiencies and contamination due to the sensitivity of the scavenge tube during assembly.
Innovation Solution
A liquid separator design where the shield serves as a direct support for the filter element, with reversible snap-in connection means allowing easy adaptation and replacement of filter elements, and an integrated scavenge line eliminating the need for a separate tube, thus enhancing flexibility and reducing contamination risks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a separate support structure is used for the filter element, then the filter element can be securely positioned, but the device complexity increases and assembly becomes more difficult
Solution Approach 1:
The shield is designed to serve dual functions: as the structural support for the filter element and as the separation chamber wall. The filter element is directly mounted onto the shield, eliminating the need for separate support structures and reducing overall device complexity while maintaining secure positioning.
Solution Approach 2:
The shield is transformed into a multi-functional component that simultaneously provides structural support, defines the separation chamber, and serves as the mounting surface for the filter element. This consolidation of functions reduces the number of parts and simplifies assembly.
2Reliability
If the liquid separator is designed for the greatest flow, then it can handle peak loads, but it becomes oversized and less efficient for smaller flows
Solution Approach 1:
The liquid separator enables dynamic adaptation of separation capacity by allowing easy replacement of filter elements with different specifications. Users can select filter elements optimized for current flow conditions rather than being constrained by a fixed design for peak flow, thereby maintaining high separation efficiency across varying flow rates.
3Reliability
If a separate scavenge tube is used to remove liquid, then liquid can be effectively removed, but the tube is sensitive to deformation during assembly which can result in contamination
Solution Approach 1:
The scavenge function is integrated directly into the shield structure through scavenge openings provided in the shield wall. This eliminates the need for separate flexible scavenge tubes that are prone to deformation and contamination, while maintaining effective liquid removal capability through the rigid, deformation-resistant shield structure.
4Reliability
If multiple seals are used in the assembly, then sealing reliability is improved, but the assembly process becomes more complex and time-consuming
Solution Approach 1:
The filter element mounting is integrated directly onto the shield structure, reducing the number of separate sealed connections required. The direct mounting arrangement minimizes the number of seals needed while maintaining reliable sealing, thereby simplifying the assembly process.
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 design provides flexibility in accommodating varying flow rates, simplifies assembly, reduces contamination risks, and ensures secure and rapid positioning of filter elements, improving the overall efficiency and reliability of the liquid separation process.
Implementation Method 1
the liquid pre-separation takes place, typically by cyclonic flow of the liquid/gas mixture between the vessel wall and said shield inside the vessel
Implementation Method 2
A further separation takes place by means of said filter element that is positioned within the shield
Data Source
AI summary
A liquid separator comprises a vessel with an inlet for a liquid/gas mixture. The vessel defines a space sealed at the top by means of a lid in which is situated an outlet to discharge treated gas. A shield is provided in the space extending around the outlet as of the lid, and a filter element provided within the shield. An outlet zone is defined between the shield and the filter element, wherein the outlet zone is in connection with the outlet. The shield comprises a bottom wall with at least one inlet opening and connection means for attaching the filter element onto the bottom wall. The connection means is configured such that the filter element, in a mounted condition, extends around the inlet opening as from the bottom wall, within a chamber defined by the shield, the lid and the bottom wall.