Systems and methods for anti-microbial purification of air
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Solution Overview
Problem
Existing air supply systems in confined spaces, such as vehicles, face challenges in effectively purifying air due to the limited service life of anti-microbial filter media, which can contribute to the formation of antibiotic-resistant 'superbugs' and increase costs and complexity.
Innovation Solution
An anti-microbial air supply system featuring an anti-microbial filter with atomically sharp surface features that non-selectively lyse microorganisms, including bacteria, viruses, and fungi, by mechanically damaging them regardless of their resistance to antibiotics or other chemicals, using a micro-machined spike field and controlled airflow.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If anti-microbial filter media is used to collect microorganisms, then air purification is achieved, but the filter media has limited service life and increases system cost and complexity
Solution Approach 1:
The patent replaces the mechanical filtration system (filter media that physically collects microorganisms) with a field-based system (electrostatic or other fields that lyse microorganisms). This substitution eliminates the need for replaceable filter media while maintaining air purification effectiveness, thereby resolving the contradiction between purification effectiveness and service life.
Solution Approach 2:
The patent changes the operating parameters of the air supply system by introducing field strength, voltage, or other physical parameters that enable microbial lysis. This parameter-based approach replaces the consumable filter media with a controllable field mechanism, extending system durability while maintaining purification performance.
2Reliability
If antibiotic or anti-microbial agents are used to kill microorganisms, then air purification is achieved, but preferential selectivity creates antibiotic-resistant superbugs
Solution Approach 1:
The patent replaces chemical anti-microbial agents with a physical field-based lysis mechanism. This substitution eliminates the selective pressure that creates antibiotic-resistant superbugs, as the field-based approach mechanically disrupts all microorganisms regardless of their chemical resistance mechanisms.
Solution Approach 2:
The patent converts the harmful effect of selective pressure (which creates superbugs) into a beneficial non-selective lysis mechanism. By using fields that physically disrupt microbial structures rather than chemicals that select for resistance, the system eliminates microorganisms without creating resistant strains.
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 system effectively reduces microbial propagation and improves air quality by destroying microorganisms without contributing to the formation of superbugs, providing a durable and efficient solution for air purification.
Implementation Method 1
atomically sharp surface features for non-selective lysing of at least some of the entrained microorganisms
Data Source
AI summary
An air supply system including a conduit for channeling a flow of air therethrough, wherein the flow of air has microorganisms entrained therein. The system also includes an anti-microbial filter in flow communication with the flow of air. The anti-microbial filter includes a plurality of atomically sharp surface features for non-selective lysing of at least some of the microorganisms that contact the anti-microbial filter.