Cyclonic-Element Array Air Filter to Extend Replacement Cycle
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Solution Overview
Problem
Conventional air filters in ventilation systems require frequent replacement due to particulate matter accumulation, leading to recurring expenses and performance degradation, and cyclonic separators are not suitable as filter alternatives due to functional and dimensional issues.
Innovation Solution
An air filter design featuring a housing with multiple cyclonic-element arrays and individual airflow paths, where each cyclonic element has a tangential inlet and axial outlet, configured to remove particles and collect them in receptacles, extending the filter's lifespan by reducing clogging and maintaining airflow efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional media filters are used to capture suspended particles, then particle removal is achieved, but the filter requires frequent replacement due to particulate matter accumulation degrading permeability
Solution Approach 1:
The filter is divided into multiple independent cyclonic elements arranged in arrays, where each element processes a portion of the airflow. This segmentation prevents any single element from becoming completely blocked, as particles are distributed across many separate pathways, thereby extending overall filter lifespan while maintaining airflow efficiency.
Solution Approach 2:
The patent replaces the traditional mechanical media filtration system with a cyclonic separation system that uses centrifugal force generated by rotating airflow. This substitution eliminates the need for porous media that clog with particle accumulation, allowing the filter to maintain both high reliability and productivity over extended periods.
2Reliability
If cyclonic separators are used to remove solid particles from air stream, then large quantities of particles can be captured without clogging, but they are not suitable as filter alternatives due to functional and dimensional issues
Solution Approach 1:
The cyclonic separator is segmented into multiple individual cyclonic elements arranged in arrays within a housing. This segmentation allows the system to capture large quantities of particles like traditional cyclones while being adapted to standard ventilation system dimensions and configurations, achieving both high particle capture capacity and compatibility with existing systems.
Solution Approach 2:
The patent arranges cyclonic elements in three-dimensional arrays within a compact housing, utilizing vertical and horizontal spacing to fit standard ventilation system dimensions. This dimensional arrangement maintains the high particle capture capacity of cyclonic separators while adapting them to the functional and dimensional constraints of conventional ventilation systems.
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
The solution increases the replacement cycle time of air filtration systems by effectively capturing particles of various sizes, including fine particles, while maintaining airflow efficiency and reducing the need for frequent filter replacements.
Implementation Method 1
Air enters the cavity at a high velocity through a tangential inlet and in an orientation that is horizontal... The air stream forms a vortex and the resultant centrifugal forces push suspended particles towards the wall of the cavity
Data Source
AI summary
An air filter comprising a housing, a plurality of cyclonic-element arrays and a plurality of individual airflow paths is disclosed herein. The housing includes a first side configured to be arranged or otherwise exposed to an upstream side of a first airflow, and a second side configured to be arranged or otherwise exposed to a downstream side of the first airflow. In some embodiments, the plurality of cyclonic-element arrays may be organized in a parallel or approximately parallel arrangement within and/or supported by the housing. Further, the plurality of individual airflow paths may correspond to the plurality individual of cyclone elements in each array life.