Layered Filter Structure With Release Member for Clog Bypass
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Solution Overview
Problem
Existing filter devices with stacked filter members become completely clogged when one member is obstructed, leading to inefficiencies and increased pressure loss.
Innovation Solution
A filter device with at least three stacked filter members, including a release filter member with apertures or gaps that allow foreign materials to pass through without trapping, preventing clogging and maintaining filtration efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If all filter members are welded together to form a single unit, then filtration coverage is improved, but the entire filter becomes clogged when one member is obstructed
Solution Approach 1:
The filter device divides the filter members into independent non-welded sections. Each filter member can function independently, so if one member becomes clogged, the others continue to filter fluid, preventing complete system failure and maintaining productivity.
Solution Approach 2:
The patent extracts the welding connection between filter members and replaces it with a support structure. This removal of the welding connection allows each filter member to operate independently while still being held in position by the support, enabling bypass of clogged members.
2Reliability
If filter members are stacked in a layered configuration, then filtration efficiency is improved, but pressure loss increases when clogging occurs
Solution Approach 1:
By segmenting the filter members into independent non-welded units, the system maintains layered filtration efficiency while allowing individual members to be bypassed when clogged, preventing excessive pressure loss.
Solution Approach 2:
The patent changes the structural parameter of filter member connections from welded (fixed) to non-welded (mobile/independent). This parameter change allows the system to adapt to clogging conditions by enabling fluid to redirect through non-clogged members, maintaining acceptable pressure characteristics.
3Stability of the object's composition
If filter members are welded together, then structural stability is improved, but the filter cannot adapt to partial clogging conditions
Solution Approach 1:
The filter members are segmented into independent units supported by a support structure rather than welded together. This segmentation provides structural stability through the support while enabling each member to respond independently to clogging conditions by allowing bypass flow.
Solution Approach 2:
The welding connection is extracted and replaced with a support structure that provides stability without forcing all filter members to move or fail together. This extraction enables independent response to clogging while maintaining structural integrity.
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
Prevents clogging of filter members, reduces pressure loss, and enhances filtration performance by allowing fluid to bypass obstructed areas, thereby improving overall filter efficiency.
Implementation Method 1
At least one of the filter members disposed inside the filter functions as a release filter member having one or more release portions that allow a foreign material to pass therethrough without trapping the foreign material
Data Source
AI summary
A filter device (1) has at least one filter (30, 40) that includes three or more filter members stacked in a layered state. At least one of the inner filter members (32, 42) disposed inside the filter (30, 40) is a release filter member (33, 43) having at least one release portion that allows a foreign material to pass through without trapping the foreign material so as to avoid clogging of the filter device (1).