Rotating Filter Insert Layout for Dead-Space Air Filtration
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Solution Overview
Problem
Existing fluid filters for industrial air filtration, such as cartridge dust collectors, have dead spaces due to housings with non-full-width doors, limiting the usable filter-effective surface area and requiring larger housing dimensions.
Innovation Solution
The use of an elongated filter element with a flange plate that deviates from a square shape and can be rotated into a holder, allowing it to project into dead spaces, and a method of inserting and rotating the element to maximize the filter area within the housing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of moving object
If the filter insert is designed with a standard flange plate that fits within the access opening, then the filter insert can be easily installed and removed, but the filter-effective surface area is limited and dead space remains unused
Solution Approach 1:
The flange plate is designed as an elongated structure that extends beyond the access opening into the dead space area. By utilizing the third dimension (depth into the housing), the filter-effective surface area is increased without requiring a larger access opening, thus resolving the contradiction between filter area and installation ease
Solution Approach 2:
The holder is pre-positioned in the dead space area before filter insert installation. This preliminary placement of the holder allows the elongated flange plate to be securely received and fixed in its extended position, simplifying the installation process despite the non-standard flange plate geometry
2Area of moving object
If the housing dimensions are increased to accommodate larger filter surface area, then the filter-effective surface area increases, but the structural dimensions and installation space requirements increase
Solution Approach 1:
Instead of increasing housing volume to accommodate larger filter surfaces, the solution extends the flange plate into the existing dead space dimension. This allows the filter-effective surface area to increase while maintaining the same housing external dimensions, effectively utilizing previously wasted space
Solution Approach 2:
The dead space, which was previously a harmful waste of housing volume, is converted into a beneficial space for accommodating the extended flange plate. This transformation allows the housing to achieve larger filter-effective surface area without increasing its external volume
3Area of moving object
If the filter insert is rotated into a non-longitudinal orientation, then the flange plate can protrude into dead space to increase filter surface area, but the insertion and removal process becomes more complex
Solution Approach 1:
The flange plate is designed with asymmetric elongation in a specific direction rather than a symmetric circular or square shape. This asymmetric design allows the flange plate to be inserted in its longitudinal orientation and then rotated to a non-longitudinal position where it protrudes into dead space, maximizing filter surface area while maintaining operational feasibility
Data Source
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AI summary
The invention proposes using a filter element with an elongated flange plate in a fluid filter, particularly for industrial air filtration, such as a cartridge dust collector. This element can be inserted longitudinally through an access opening into the housing of the fluid filter and pivots within the housing about its vertical axis, so that the flange plate extends into a so-called dead space located behind and to the side of the access opening in the housing. The invention further proposes a suitable filter element, a fluid filter, and a holder for the filter element within the housing.