DEVICE FOR DAMPING THE NOISE PRODUCED BY A GAS JET ESCAPING FROM A DUCT

摘要

A device for damping the noise produced by a jet escaping from a duct in particular a jet engine nozzle, including silencer elements that are movable by control devices to project into the jet for silencing and retractable out of the jet for normal thrust, wherein, for reducing load on the control devices, means are provided for assisting movement of the silencer elements from their silencing position to their retracted position.