A vortex tube assembly

The vortex tube's foreign matter clearance mode using a reversed gas flow effectively addresses clogging issues, improving performance and reducing maintenance needs in aircraft inerting systems.

GB2702770APending Publication Date: 2026-06-24AIRBUS OPERATIONS LTD

Patent Information

Authority / Receiving Office
GB · GB
Patent Type
Applications
Current Assignee / Owner
AIRBUS OPERATIONS LTD
Filing Date
2024-11-28
Publication Date
2026-06-24

AI Technical Summary

Technical Problem

Vortex tubes in aircraft fuel tank inerting systems are prone to clogging due to the buildup of foreign matter, which affects performance and requires costly filtration and maintenance, increasing downtime and weight.

Method used

A method involving a vortex tube with a swirl generator that operates in a normal mode for air separation and a foreign matter clearance mode using a reversed flow of gas to dislodge accumulated debris, reducing the need for filtration and maintenance.

Benefits of technology

This approach allows for long-term operation with reduced reliance on filtration systems, lowers maintenance frequency, and minimizes corrosion, thus enhancing performance and reducing weight and costs.

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Abstract

A method of clearing a vortex tube 24 swirl generator 36 for an aircraft inerting system. The method comprises operating in normal mode by supplying air flow 44 to a vortex chamber 32 through flow pat
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