INSTALLATION FOR SUPPRESSING NOISE EMITTED BY PARTS PARTICULARLY INTENDED FOR A SUPPORTING STRUCTURE AND PARTICULARLY A SPACER OF THE MAIN TRANSMISSION OF A HELICOPTER

摘要

The installation consists of at least one piezoelectric actuator (11) which induces oscillations in the supporting structure (5) to block the path for the transmission of noise from the room to the structure to be isolated and to compensate for noise excitations. by the masses of the existing excited system of the noise source.