Disposable Filter Screen Covering OEM Filters Against Particulate Build-Up
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Solution Overview
Problem
Existing OEM filters on heavy machinery are costly, time-consuming to replace, and prone to particulate build-up, leading to equipment inefficiency and potential damage, with existing pre-filters not effectively covering all exterior surfaces.
Innovation Solution
A disposable filter screen with a lattice structure and filter material, designed to cover all exposed surfaces of the OEM filter, providing structural integrity and protection against particulate build-up, made from materials like nonwovens, foams, and metals, and optionally including adsorbents or catalysts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an OEM filter is used without a pre-filter, then the equipment can operate normally, but the OEM filter becomes clogged with fine debris quickly, requiring frequent replacement and causing equipment downtime
Solution Approach 1:
A pre-filter is introduced as an intermediary component between the air intake and the OEM filter. This pre-filter captures fine debris particles before they reach the OEM filter, acting as a protective barrier that extends the OEM filter's service life and reduces replacement frequency
Solution Approach 2:
The pre-filter performs preliminary filtration of air particles before the air reaches the OEM filter. By capturing debris in advance, the pre-filter prevents clogging of the expensive OEM filter, allowing it to maintain effectiveness for longer periods
2Productivity
If the OEM filter is replaced frequently to maintain efficiency, then equipment performance is maintained, but maintenance costs and time consumption increase significantly
Solution Approach 1:
The pre-filter serves as a sacrificial intermediary that captures most debris particles, allowing the OEM filter to operate at optimal efficiency for extended periods. This reduces the frequency of OEM filter replacements while maintaining equipment productivity
Solution Approach 2:
The pre-filter is designed as a disposable, lower-cost component that can be replaced frequently without significant expense. By using this cheaper sacrificial filter, the system maintains high productivity while reducing the maintenance burden on the expensive OEM filter
3Device complexity
If no pre-filter is used, then the filter system is simple, but fine debris clogs the OEM filter surface, rendering it inoperable and potentially damaging internal mechanisms
Solution Approach 1:
The pre-filter acts as a protective intermediary that intercepts harmful fine debris particles before they can reach and clog the OEM filter. This simple addition significantly reduces particulate build-up on the OEM filter surface without complicating the overall filter system architecture
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
Extends OEM filter life, reduces maintenance time from hours to minutes, and maintains equipment efficiency by preventing wear and contamination, thus lowering costs and ensuring optimal machinery performance.
Implementation Method 1
at least one filter lattice containing at least one layer of filter material... shaped to contact, lay over, and cover substantially all of an exposed filtration surface of a primary filter
Implementation Method 2
The filter material may include at least one adsorbent and/or at least one catalyst material
Data Source
AI summary
Described herein is a filter screen used to extend the life of OEM or other equipment filters by serving as a replaceable pre-filter that reduces wear and particulate build up in the OEM or other filter, as well as methods of using a filter screen to preserve filter integrity and extend filter life.