Modular Air Purification Cartridges for Adaptive Pressure Loss Control

Solution Overview

Problem

Existing air purification assemblies face challenges with rapid pressure loss, short lifespan, and maintenance complexity, which affect their efficiency and space utilization, while struggling to adapt to varying levels of air pollution effectively.

Innovation Solution

An air purification assembly with a modular design featuring removable cartridges and a control system that adjusts airflow based on air quality parameters, including photocatalytic cells and filtration modules, ensures optimized airflow and minimal pressure loss by selectively activating or deactivating cartridges and filtration modules according to pollution levels.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Duration of action of stationary object

If the exchange surfaces between polluted air and particle filters are limited to increase lifespan, then the lifespan is extended, but the purification efficiency deteriorates

Engineering Contradiction:
Core Design Contradiction:
Duration of action of stationary objectVSProductivity

Solution Approach 1:

The patent implements dynamic control of filter cartridges through opening/closing mechanisms that can be individually activated or deactivated based on real-time air quality measurements. This allows the system to adapt its configuration, extending lifespan by limiting exposure to polluted air when pollution levels are low, while maintaining high purification efficiency when needed.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system changes operational parameters by adjusting which cartridges are active based on measured air quality parameters. The control means modifies the operational state of each cartridge individually, optimizing the balance between lifespan extension and purification efficiency according to actual pollution levels.

Inventive Principle:
Principle #35Parameter changes

2Productivity

If multiple filters and larger exchange surfaces are added to improve purification efficiency, then purification efficiency is improved, but the space occupied increases

Engineering Contradiction:
Core Design Contradiction:
ProductivityVSVolume of stationary object

Solution Approach 1:

The patent divides the filtration system into multiple removable cartridges that can be individually controlled. This segmentation allows the system to achieve high purification efficiency through selective activation of cartridges rather than requiring all filters to be permanently installed and active, thereby reducing the effective space occupied while maintaining high purification capacity when needed.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The dynamic opening/closing mechanisms allow the system to adjust its effective filtration capacity based on actual air quality needs. This eliminates the need for permanently installed large-scale filtration surfaces, as only the necessary number of cartridges are activated at any given time, optimizing space utilization while maintaining high purification efficiency.

Inventive Principle:
Principle #15Dynamics

3Productivity

If regular maintenance is performed to maintain maximum efficiency, then purification efficiency is maintained, but the device complexity increases

Engineering Contradiction:
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The system performs self-monitoring through integrated measurement systems that continuously assess air quality parameters. The control means automatically determines when maintenance is needed and activates specific cartridges accordingly, eliminating the need for complex manual maintenance schedules and reducing operational complexity while maintaining optimal purification efficiency.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The measurement system provides continuous feedback on air quality and cartridge performance to the control means. This feedback loop enables automatic adjustment of cartridge activation and timely maintenance alerts, simplifying the maintenance process while ensuring purification efficiency is maintained without requiring complex manual intervention.

Inventive Principle:
Principle #23Feedback

4Adaptability or versatility

If the system is adapted to varying air pollution levels through selective cartridge activation, then adaptability is improved, but the device complexity increases

Engineering Contradiction:
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent implements dynamic adaptation through opening/closing mechanisms on individual cartridges that can be independently controlled. This allows the system to adapt to varying pollution levels by selectively activating only the necessary number of cartridges, achieving high versatility without requiring an overly complex control system, as each cartridge operates independently based on simple control signals.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system adapts to different pollution levels by changing operational parameters - specifically, by adjusting which cartridges are active based on measured air quality data. This parameter-based adaptation approach provides high versatility while keeping the control logic relatively simple, as it relies on direct correlation between measured parameters and cartridge activation states.

Inventive Principle:
Principle #35Parameter changes

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

This solution enhances the efficiency and adaptability of air purification, extends the lifespan of components, reduces maintenance complexity, and minimizes space requirements while ensuring effective pollutant removal across different pollution levels.

Implementation Method 1

means for treating polluted air by photocatalysis

Methodology Applied
Scientific EffectPhotocatalysis: Photo-oxidation

Data Source

PatentEP3830492B1Assembly for purifying and for air pollution control and method for controlling such an assembly
Publication Date: 2024.03.27
  • EP3830492B1 patent drawingFigure 1~5
  • EP3830492B1 patent drawingFigure 6

AI summary

The invention relates to an air purification assembly (1) comprising: a chamber (2) comprising an air intake for the passage of polluted air, an air outlet for the passage of purified air and a base provided with a means (7), such as a fan, for creating a circulation of forced air in the chamber, a plurality of detachable cartridges (4) housed in said chamber (2), said cartridges being adapted to be simultaneously traversed by the polluted air circulating in the chamber (2) in order to purify the air, each of the cartridges (4) being provided, at its intake, with an opening and closing mechanism (5) for respectively allowing air to circulate or for blocking the circulation of air through the associated cartridge, the opening and closing mechanisms (5) being controlled by control means configured to open or close the cartridges (4) separately or in combination so as to adapt the air flow as a function of predetermined parameters of the quality of the air to be purified.