Magnetic Filter with Impurity Detection for Water Pipe Maintenance

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Solution Overview

Problem

Existing filters for hydronic heating and cooling systems lack indicators for maintenance needs, are not versatile for different installations, and cannot be easily installed in limited spaces, leading to inefficient operation and potential pipe corrosion due to undetected ferrous impurities.

Innovation Solution

A filter with a magnetic detector and control unit that provides visual or audible alerts when impurities accumulate, allowing for remote monitoring and easy installation in compact spaces, featuring a magnetic filtering element and a secondary mesh filter for comprehensive impurity removal.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a filter with magnetic element is used to trap ferrous impurities, then the system reliability is improved, but the device complexity increases due to additional monitoring and control components

Engineering Contradiction:
Improvesystem operation reliabilityVSAvoidfilter structure complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent implements a magnetic detector that continuously monitors the magnetic field generated by the magnetic element. When impurities accumulate on the magnetic element, the magnetic field characteristics change, triggering a visual or audible alarm signal. This feedback mechanism enables timely maintenance without requiring complex manual inspection procedures, resolving the contradiction by automating monitoring while maintaining structural simplicity.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The filter system performs self-monitoring through the magnetic detector and alarm mechanism, automatically detecting when maintenance is needed without external intervention. The system serves itself by providing real-time status information and alerting operators only when impurity accumulation reaches critical levels, simplifying operation while ensuring reliability.

Inventive Principle:
Principle #25Self-service

2Manufacturing precision

If the filter is designed with comprehensive filtering elements, then the manufacturing precision is improved, but the ease of manufacture deteriorates due to assembly complexity

Engineering Contradiction:
Improvefiltering element precisionVSAvoidfilter assembly ease
Core Design Contradiction:
Manufacturing precisionVSEase of manufacture

Solution Approach 1:

The filter is divided into distinct modular components: a housing, a magnetic element, a mesh filter, and a magnetic detector. Each component can be manufactured separately with high precision, then assembled together. This segmentation allows complex filtering functionality to be achieved while maintaining ease of manufacture through standardized, independent component production and assembly.

Inventive Principle:
Principle #1Segmentation

3Adaptability or versatility

If the filter is designed for versatile installation, then the adaptability is improved, but the device complexity increases due to multiple connection configurations

Engineering Contradiction:
Improveinstallation configuration versatilityVSAvoidconnection system complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The filter housing is designed with universal connection features that accommodate multiple installation orientations and piping configurations. Standardized threaded connections and mounting interfaces allow the same filter unit to be installed in various positions (horizontal, vertical, angled) without requiring specialized variants, achieving versatility while maintaining structural simplicity.

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

4Volume of moving object

If the filter is installed in limited space, then the volume is reduced, but the ease of operation deteriorates due to maintenance accessibility

Engineering Contradiction:
Improvefilter sizeVSAvoidmaintenance accessibility
Core Design Contradiction:
Volume of moving objectVSEase of operation

Solution Approach 1:

The filter utilizes vertical space efficiently with a compact, space-saving design that can be mounted in tight horizontal spaces. The modular construction allows the filter to be positioned in three-dimensional space around piping runs, optimizing use of available volume while maintaining front-accessible maintenance ports for easy servicing despite compact footprint.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

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 filter ensures timely maintenance, optimal operation, and versatility across various installations by accurately indicating impurity levels and facilitating easy installation in constrained spaces, preventing pipe corrosion and maintaining system efficiency.

Implementation Method 1

a filtering element (20) for treating the fluid, said filtering element (20) comprising at least one magnetic element (21) housed at least partially in said chamber (10A) and adapted to intercept and trap the ferrous impurities that are present in the fluid to be treated

Methodology Applied
Scientific EffectMagnetic field: Magnetic Field

Implementation Method 2

at least one magnetic detector (30) associated with said main body (10) for detecting the magnetic field generated by said at least one magnetic element (21)

Methodology Applied
Scientific EffectMagnetic field detection: Magnetic Field

Data Source

PatentEP3528917B1Filter for treating a fluid in a pipe, in particular a pipe of a water network, and operating method thereof
Publication Date: 2022.08.31 RBM IBOX SRL
  • EP3528917B1 patent drawingFigure 1
  • EP3528917B1 patent drawingFigure 2
  • EP3528917B1 patent drawingFigure 3a~3c

AI summary

The present invention relates to a filter (1) for treating a fluid in a piping, in particular a piping included in a water supply network, said filter (1) comprising: a main body (10) comprising at least one internal chamber (10A); a filtering element (20) for treating the fluid, said filtering element (20) comprising at least one magnetic element (21) housed at least partially in said chamber (10A) and adapted to intercept and trap the ferrous impurities that are present in the fluid to be treated. The peculiar feature of the present invention lies in the fact that the filter (1) comprises: - at least one magnetic detector (30) associated with said main body (10) for detecting the magnetic field generated by said at least one magnetic element (21); a control unit (40) associated with said at least one magnetic detector (30), said control unit (40) being adapted to process the magnetic field information received from said at least one magnetic detector (30) and to provide an indication about the quantity of impurities that have accumulated on the filtering element (20).