Acoustic wave sensor in a liquid and method for monitoring a liquid conveying network
An acoustic wave sensor with optical detection in liquid transport networks addresses leak and deposit issues by measuring path length variations, providing accurate and cost-effective monitoring and maintenance.
FR3170610A1Pending Publication Date: 2026-06-26INST NAT POLYTECHNIQUE DE TOU LOUSE +2
Patent Information
- Authority / Receiving Office
- FR · FR
- Patent Type
- Applications
- Current Assignee / Owner
- INST NAT POLYTECHNIQUE DE TOU LOUSE
- Filing Date
- 2024-12-20
- Publication Date
- 2026-06-26
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Abstract
An acoustic wave sensor (1) for waves propagating in a liquid is optically sensitive to variations in the liquid's density caused by pressure changes associated with the passage of an acoustic wave. The sensor is designed to be threaded through a wall (102) of a pipe, for example, in a water distribution network. The sensor is useful for detecting liquid leaks at a distance from its installation location, or for adjusting the intensity of an acoustic wave used to unclog a deposit on a surface in contact with the liquid. (Abstract figure: Figure 2)
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