Device for applying pulsed radial stresses to the wall of a well
Device for attenuating noise in a tube for transporting gas
Device for attenuating pulsation of fluids in piping systems
Device for collecting the exhaust gas jet of an aircraft reactor
Device for conducting away the exhaust gases from internal combu
Device for conducting away the exhaust gases from internal combu
Device for conducting away the exhaust gases from internal combu
Device for controlling a propagation direction of noise
Device for controlling the porosity of a helical, flexible,...
Device for coupling a receiver system with the wall of a well
Device for damping an oscillatory system
Device for deadening sound in pipelines
Device for dynamic excitation of panel loudspeakers
Device for electroacoostic diffusion, with diaphragms, spiders a
Device for emitting acoustic waves in a liquid medium
Device for emitting acoustic waves in a liquid medium by implosi
Device for emitting mechanical waves
Device for enlarging the effective volume of a loudspeaker enclo
Device for establishing noise in a motor vehicle
Device for generating acoustic shear waves in the earth