Hutchinson

Total Sa

Total Se

Gustavo Alcuri

Gilles Argy

Alexander Somers

Ann Courbot

Saïd Ben Chalellou Ouchene

Anne Courbot

An apparatus for underwater pipes comprising an ultrasound emitting system and at least one ultrasound receiving transducer is lowered into he marine environment. During an inspection phase, an ultrasound inspection source of the ultrasound emitting system and the receiving transducer are disposed on each side of the pipe. The inspection source is activated, and an ultrasound signal captured by the receiving transducer is recorded. In response to the observation of an anomaly in the ultrasound signal captured by the receiving transducer, a power source of the ultrasound emitting system is then coupled to the pipe at the aforementioned location, and the power source is activated in order to destroy the obstruction.

Method for performing work on underwater pipes

Material for providing acoustic protection against a source of noise, the material comprising a substrate and resonators, wherein said resonators formed on the substrate are constituted by thread-like and/or area-occupying composite elements whose structural characteristics (density, modulus of elasticity, shear modulus, damping factor, piezoelectric factor, etc. ...) and whose shape and/or size are selected to associate a predetermined resonant frequency with each resonator, and also to absorb the sound pressure energy from the noise source at said resonant frequency and dissipate it in the form of mechanical heat energy and/or electrical energy. The invention also relates to apparatus constituted by a wall including at least one layer of the above material.

Acoustic protection material and apparatus including such material

Growing community of inventors

Paris, France

Gustavo Alcuri