Airflow monitoring arrangement and method

The airflow monitoring system addresses the issue of engine damage in dusty environments by using particle sensors to detect and alert on high airborne particle concentrations, reducing maintenance costs and operational inefficiencies.

WO2025003852A1PCT designated stage expired Publication Date: 2025-01-02CRAWFORD DEREK
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Patent Information

Application Number
PCT/IB2024/056082
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2023-06-26
Filing Date
2024-06-21
Publication Date
2025-01-02

AI Technical Summary

Technical Problem

Engines in dusty environments, such as mining, face damage and high maintenance costs due to airborne particles, leading to operational inefficiencies and revenue losses.

Method used

An airflow monitoring system using a particle sensor to detect airborne particle concentrations, triggering alerts or placing the engine in safe mode if thresholds are exceeded, ensuring filtered air quality is maintained.

Benefits of technology

The system effectively reduces engine damage and maintenance costs by alerting operators to potential issues and automatically switching to safe mode when high particle concentrations are detected, preventing further damage.

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Abstract

An airflow monitoring arrangement for monitoring filtered air of a system which transports or utilises the filtered air. The airflow monitoring arrangement includes a sensor which is configured to monitor / measure a presence or concentration of airborne particles within an airflow of the filtered air of the system. The arrangement may include a controller which is, in use, operatively connected to the system. The controller may be configured to place the system in a safe mode or a limp mode, if the concentration of the airborne particles measured by the sensor remains above a particular upper level for more than a certain specified period of time. The system may include an engine.
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Citation Information

Patent Citations

  • Inlet air particulate matter sensor

    CN217111959U

  • Fuel injection control device of diesel engine

    US20150192087A1

  • Sensing systems and methods for building an intelligent model of particulate ingress detection in turbine systems

    US20230029650A1