Inline Filter Pre-Separator With Sealed Connection Port
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Solution Overview
Problem
Existing inline filter systems for gaseous fluid filtration, such as those in internal combustion engines, face challenges in easy servicing of the cyclone block or pre-separator block, particularly due to the need for flexible scavenging lines that often require removal for maintenance.
Innovation Solution
A modular filter system design featuring a main housing with a service opening, a pre-separator assembly that can be rotated or hinged for easy access, and a connection port that seals the dust discharge port when the pre-separator is closed, allowing for seamless servicing without disconnecting the scavenging line.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of repair
If the pre-separator assembly is made removable for servicing, then ease of maintenance is improved, but the scavenging line requires disconnection which increases device complexity and time loss
Solution Approach 1:
The pre-separator assembly is segmented as a separate removable module from the main housing, allowing independent removal for servicing. The connection port is further segmented into a fixed portion in the housing and a movable portion in the pre-separator assembly, enabling the scavenging line to remain connected to the fixed portion while the movable portion disconnects during removal.
Solution Approach 2:
The connection port acts as an intermediary mechanism between the housing and pre-separator assembly. It provides a sealed connection pathway that allows the pre-separator to be removed without disconnecting the scavenging line from the housing, thus mediating between the need for easy removal and the need to maintain continuous fluid pathway.
2Ease of repair
If the pre-separator assembly is made removable for servicing, then ease of maintenance is improved, but time loss increases due to line disconnection and reconnection
Solution Approach 1:
The connection port is segmented into fixed and movable portions, allowing the pre-separator assembly with its movable connection port portion to be quickly removed and reinstalled without affecting the scavenging line connection to the fixed portion. This segmentation enables rapid servicing without time-consuming line disconnection.
Solution Approach 2:
The connection port is pre-configured with sealing surfaces and alignment features that enable quick connection and disconnection. The scavenging line is preliminarily connected to the fixed portion of the connection port, so that when the pre-separator assembly is removed, no disconnection of the scavenging line is required, significantly reducing maintenance time.
3Reliability
If the connection port seals the dust discharge port when pre-separator is closed, then filtration reliability is improved, but device complexity increases
Solution Approach 1:
The connection port serves dual functions: it provides the fluid pathway connection and simultaneously seals the dust discharge port when the pre-separator assembly is closed. This merging of functions eliminates the need for separate sealing mechanisms, maintaining reliability while minimizing added complexity.
Solution Approach 2:
The connection port is designed as a multi-functional component that performs both connection and sealing duties. When the pre-separator assembly is installed, the connection port not only connects the scavenging line but also seals the dust discharge port, providing universal functionality with a single structural element.
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
Facilitates easier maintenance and service of the inline filter system by allowing the pre-separator assembly to be opened and closed without disconnecting the scavenging line, enhancing operational efficiency and reducing maintenance complexity.
Implementation Method 1
a pre-separator assembly mounted onto and closing off the service opening, the pre-separator assembly comprising an inlet flow face receiving air to be cleaned from the outside, an outlet flow face through which pre-cleaned air exits
Data Source
AI summary
Air filter system includes a main housing, in which a primary filter cartridge can operably be installed, the housing includes a clean air outlet and a service opening through which the primary filter cartridge can be installed, a pre-separator assembly mounted onto and closing off the service opening, the pre-separator assembly having an inlet flow face receiving air to be cleaned from the outside, an outlet flow face through which pre-cleaned air exits, the outlet flow face positioned over the service opening of the main housing, such that pre-cleaned air is provided to the main housing, a dust discharge port, through which particles pre-separated by the pre-separator can be discharged, wherein the main housing comprises a connection port operable to sealingly connect to the dust discharge port on one side and sealingly connect a scavenge line on the other side, the connection port operable to connect the dust discharge port and a scavenge line.