Annular Filter System with Maze Walls for Broad Contaminant Removal

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Solution Overview

Problem

Existing portable water filtration systems have limited capacity and filtration lifespan, are often fragile and expensive, and struggle to effectively remove a broad spectrum of contaminants, leading to reduced lifespan and increased costs per liter.

Innovation Solution

The described filter system features an annular design with permeable circular walls, dividing walls that create maze-like channels, turbulator walls for turbulent flow, and filter media such as adsorption particles or ion exchange media, which together enhance contaminant removal while maintaining filtration capacity and reducing costs.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If traditional sediment filters with punched holes are used, then the structure is simple and manufacturing is easy, but the filtration capacity is limited and lifespan is reduced

Engineering Contradiction:
Improvefilter structure simplicityVSAvoidfiltration lifespan
Core Design Contradiction:
Ease of manufactureVSDuration of action of stationary object

Solution Approach 1:

The filter is divided into multiple functional layers: a sediment filtration layer with punched holes for particle removal, and an activated carbon layer for chemical contaminant adsorption. This segmentation allows each layer to specialize in specific contaminant types, extending overall filtration lifespan by addressing broader contaminant spectra simultaneously

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The filter combines different materials with complementary properties: porous sediment filtration material for physical particle removal and activated carbon for chemical adsorption. This composite structure enables the filter to handle both physical and chemical contaminants, preventing premature clogging and extending operational lifespan

Inventive Principle:
Principle #40Composite materials

2Object-affected harmful factors

If filter media is added to remove broader spectrum contaminants, then contaminant removal effectiveness improves, but the filtration capacity and lifespan are reduced

Engineering Contradiction:
Improvecontaminant removal effectivenessVSAvoidfiltration lifespan
Core Design Contradiction:
Object-affected harmful factorsVSDuration of action of stationary object

Solution Approach 1:

By separating the filter into distinct functional layers (sediment filtration and chemical adsorption), each layer can be optimized for its specific function without compromising the other. The sediment layer handles physical particles while the activated carbon layer targets chemical contaminants, allowing both functions to operate at high efficiency simultaneously

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Different regions of the filter have different properties tailored to specific contaminant types. The sediment layer provides high porosity for particle capture, while the activated carbon layer provides high adsorption capacity for chemicals. This local optimization ensures that each contaminant type is addressed by the most effective media, maximizing overall lifespan

Inventive Principle:
Principle #3Local quality

3Object-affected harmful factors

If multiple filter layers are added to increase contaminant removal range, then filtration effectiveness improves, but device complexity and cost increase

Engineering Contradiction:
Improvecontaminant spectrum coverageVSAvoidfilter structure complexity
Core Design Contradiction:
Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

The filter uses two clearly defined functional layers with distinct purposes: sediment filtration for physical particles and activated carbon for chemical contaminants. This segmentation provides comprehensive contaminant coverage while maintaining relatively simple construction, avoiding the complexity of multiple specialized layers for different contaminant types

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The combination of sediment filtration and activated carbon adsorption creates a universal filter system that handles both physical and chemical contaminants in a single device. This multi-functionality eliminates the need for separate filters for different contaminant types, reducing overall device complexity while expanding contaminant spectrum coverage

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

4Ease of manufacture

If traditional flat filter structures are used, then manufacturing is simple, but flow rate reduces quickly when holes become blocked

Engineering Contradiction:
Improvefilter structure simplicityVSAvoidflow rate maintenance
Core Design Contradiction:
Ease of manufactureVSProductivity

Solution Approach 1:

The filter separates the flow path into two stages: first through the sediment filtration layer where particles are captured, then through the activated carbon layer where chemicals are adsorbed. This segmentation allows the sediment layer to be optimized for particle removal without compromising the flow characteristics of the second layer, maintaining flow rate while addressing broader contaminants

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The filter utilizes porous sediment filtration material with controlled pore sizes that allow water to pass through while trapping particles. The porous structure maintains open flow paths even as particles accumulate, preventing rapid flow rate reduction and enabling continuous operation through the entire filtration lifespan

Inventive Principle:
Principle #31Porous materials

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 achieves broad spectrum contaminant removal, extends filtration capacity and lifespan, and reduces costs per liter and device cost, making it more accessible and efficient for providing clean drinking water.

Implementation Method 1

The filter media may include adsorption particles or ion exchange media, such as, for example, activated carbon granules, activated alumina and/or ion exchange resin

Methodology Applied
Scientific EffectAdsorption: Adsorption

Implementation Method 2

The filter media may include adsorption particles or ion exchange media, such as, for example, activated carbon granules, activated alumina and/or ion exchange resin

Methodology Applied
Scientific EffectIon exchange: Ion Exchange

Implementation Method 3

turbulator walls mounted channel, wherein the turbulator walls cause turbulent fluid flow in the channels

Methodology Applied
Scientific EffectTurbulence: Turbulence

Data Source

PatentUS20250187945A1Filter System
Publication Date: 2025.06.12 IP33 LTD
  • US20250187945A1 patent drawing
  • US20250187945A1 patent drawing
  • US20250187945A1 patent drawing

AI summary

A filter apparatus includes inner and outer walls connected by container walls to define an internal volume. Maze walls between the inner and outer walls change the direction of liquid or gas fluid flow in fluid channels. Bisectings wall divide the internal volume into separate fluid chambers having separate channels.