Axial Flow Filter Element With Common Clamping Frame
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Solution Overview
Problem
Existing axial flow filter systems face challenges in increasing filter surface area while minimizing flow resistance, which often requires larger housing dimensions or labor-intensive replacement of multiple filter elements, especially in space-constrained installations.
Innovation Solution
A filter housing design that accommodates multiple axial flow filter elements with a common clamping frame and central sealing unit, allowing for simultaneous insertion, clamping, and removal of filter elements, reducing space requirements and simplifying servicing without disconnection of air lines.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of moving object
If the filter surface is increased to lower flow resistance, then the filter surface area is improved, but the housing dimensions increase which conflicts with space constraints
Solution Approach 1:
Multiple filter elements are merged into a single housing by inserting them side by side into cutouts of a common clamping frame element, which is clamped against a common sealing flange. This combines multiple filtering functions into one integrated unit, achieving increased filter surface area without proportionally increasing housing volume.
Solution Approach 2:
The filter elements are arranged in a compact configuration within the housing, utilizing the available space efficiently by positioning multiple elements side by side in a planar arrangement rather than increasing the overall housing envelope dimensions.
2Area of moving object
If multiple small filters with their own housings are operated in parallel to increase filter surface, then the filter surface area is improved, but the device complexity and labor intensity increase
Solution Approach 1:
Multiple filter elements share a common housing structure with a single sealing flange and common clamping frame, replacing what would traditionally require multiple separate housings. This reduces the number of separate connections and simplifies the overall system architecture while maintaining increased filter surface area.
Solution Approach 2:
The common clamping frame element serves multiple functions: it provides structural support for multiple filter elements, creates a unified sealing interface against the housing, and enables simultaneous clamping of all filter elements. This multi-functional component reduces the need for separate clamping mechanisms for each filter.
3Ease of repair
If multiple filter housings are serviced by releasing and reestablishing connections, then filter replacement is achieved, but the loss of time and labor intensity increase
Solution Approach 1:
Multiple filter elements are mounted on a common clamping frame that can be simultaneously clamped and unclamped as a single unit. This allows all filter elements to be removed and replaced at once by simply releasing the common clamping device, eliminating the need to individually access and service each filter housing connection.
Solution Approach 2:
The common clamping frame is designed to be pre-assembled with multiple filter elements in place before installation into the housing. During servicing, the entire pre-assembled unit is removed and replaced as one component, avoiding the need to disassemble and reassemble multiple separate connections during filter replacement.
Data Source
AI summary
In a filter housing (100) for at least one axial flow filter element (70) capable of receiving axial flow between its end faces and having at least one continuous sealing collar on its outer circumference which can be pressed against a sealing flange (17) on the housing, a plurality of filter elements (70) can be inserted side by side into cutouts (19) of a common clamping frame element (30). Each of the sealing collars rests on the clamping frame element (30) which is plane parallel to the at least one sealing flange (17) and displaceable toward the sealing flange (17) by a clamping device (50).