Device for improving room air quality

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Solution Overview

Problem

Existing devices for improving indoor air quality often focus on only one aspect, such as odor reduction or pollutant removal, without addressing the comprehensive improvement of indoor air quality, and are either expensive or difficult to install and retrofit.

Innovation Solution

A device that includes a conveying system for air circulation, a filtering system with multiple filters, a scenting system using wood or essential oils, a planting facility for CO2 conversion, and a disinfection system, along with a humidification and control unit, to enhance air quality by filtering pollutants, improving odor, increasing oxygen levels, and reducing health risks.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If controlled home ventilation is used to improve indoor air quality, then air quality is improved in several respects, but the system becomes very expensive, complex to install and difficult to retrofit

Engineering Contradiction:
Improveindoor air qualityVSAvoidsystem complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The device segments the air treatment process into distinct functional modules: a conveying device for air circulation, a filter device for pollutant removal, a scenting device for odor control, and a planting device for CO2 conversion. Each module performs a specific function, allowing the system to achieve comprehensive air quality improvement without requiring a complex integrated ventilation system.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The device combines multiple functions into a single unit that can filter pollutants, control odors, and convert CO2 simultaneously. The conveying device circulates air through all three treatment stages, making the system versatile and eliminating the need for separate ventilation, filtration, and plant-based air purification systems.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Reliability

If multiple functional devices are combined to comprehensively improve indoor air quality, then air quality improvement is enhanced, but the device complexity increases

Engineering Contradiction:
Improveindoor air qualityVSAvoiddevice complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent merges the conveying device, filter device, scenting device, and planting device into a single integrated air treatment system. The conveying device serves as a common infrastructure that transports air through all functional stages, reducing the need for separate systems and simplifying installation while maintaining comprehensive air quality improvement.

Inventive Principle:
Principle #5Merging (Combining)

3Object-affected harmful factors

If a filter device is used to remove pollutants, then health risks are reduced, but the device complexity and cost increase

Engineering Contradiction:
Improvepollutant levelsVSAvoiddevice complexity
Core Design Contradiction:
Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

The filter device is segmented into multiple filter stages with different functions: pre-filters for large particles, HEPA filters for fine particles and viruses, and activated carbon filters for gases and odors. This segmentation allows each filter type to target specific pollutants efficiently, reducing the need for overly complex single-stage filtration systems.

Inventive Principle:
Principle #1Segmentation

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 device effectively filters pollutants, reduces health risks, improves well-being by reducing heartbeat rate and enhancing concentration and sleep quality, and can be easily retrofitted, providing comprehensive and objective monitoring and control of indoor air quality.

Implementation Method 1

a filter device (3) for filtering the air introduced into the device

Methodology Applied
Scientific EffectFiltration: Filter (physical)

Implementation Method 2

the living plant of the planting facility can convert part of the CO 2 in the air into oxygen

Methodology Applied
Scientific EffectPhotosynthesis: Photosynthesis

Implementation Method 3

a scenting device (4) for scenting the introduced air with wood, in particular pine wood, and/or essential oils

Methodology Applied
Scientific EffectEvaporation: Evaporation

Data Source

PatentEP4023952A1Device for improving room air quality
Publication Date: 2022.07.06 SCHLETTERER CONSULT GMBH
  • EP4023952A1 patent drawingFigure 1
  • EP4023952A1 patent drawingFigure 2a~2b
  • EP4023952A1 patent drawingFigure 3a~3c

AI summary

Device (1) for improving indoor air quality comprising a conveying device (2), in particular a speed-controlled fan, for supplying and/or supplying air into and/or out of the device (1), a filter device (3) for filtering the air supplied to the device, and a fragrance device (4) for fragranced the supplied air by wood, in particular by Swiss pine wood, and/or essential oils, preferably comprising a planting device (5) separate from the fragrance device (4), which comprises at least one living plant (5a), preferably a moss, a lichen and/or a flowering plant.