Self-adjustable air inlet with sound insulation

摘要

Under the deformable closer 10 associated with the exhaust opening 9 of the box 6, 7 a horizontal skin 11 is provided which holds a sound insulation unit 12 which therefore faces the intake opening 8 and ensures effective reduction of external noise without obstructing the passage of air or the functioning of the above-mentioned closer 10. <IMAGE>