Vibratory system for protecting a sensor against biological fouling by aquatic microorganisms

A membrane-based system vibrates to dislodge microorganisms, addressing biological fouling without modifying the sensor, ensuring accuracy and robustness, and minimizing interference with measurements.

FR3161375B1Active Publication Date: 2026-04-03COMMISSARIAT A LENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES +1
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Patent Information

Application Number
FR2024004198
Authority / Receiving Office
FR · FR
Patent Type
Patents
Current Assignee / Owner
Filing Date
2024-04-23
Publication Date
2026-04-03
Estimated Expiration
2044-04-23

AI Technical Summary

Technical Problem

Existing solutions for protecting submerged sensors from biological fouling, such as chemical coatings and mechanical devices, are either polluting, require frequent maintenance, or modify the sensor structure, leading to accuracy and robustness issues.

Method used

A membrane-based system that vibrates to dislodge microorganisms, using an actuator to excite the membrane without modifying the sensor, ensuring minimal interference with measurements and maintaining sensor integrity.

Benefits of technology

Effectively prevents biological fouling while maintaining sensor accuracy and robustness by using a membrane that vibrates to dislodge microorganisms without degrading the sensor's sealing or measurement performance.

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Abstract

Vibratory system for protecting a sensor against biological fouling by aquatic microorganisms. One aspect of the invention relates to a system (10) for combating biological fouling by microorganisms, adapted to cooperate with a measuring device adapted to be immersed in a liquid, the measuring device comprising a fouling surface suitable for measurement, the system (10) being configured to cover the fouling surface and comprising a membrane (11) and an actuator (12) for vibrating the membrane (11). Figure to be published with the abstract: Figure 1
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