An assembly useful in reducing aircraft engine noise such as turbofan engine noise comprises: (a) a core portion comprising at least one entrance end and at least one exit end for the passage of acoustic energy therethrough; (b) a first member having an ex...

A bulkhead (18) is mounted on a fan cowl (16). A translating cowl (20) is supported for movement between a closed position adjacent the bulkhead and an open position spaced apart from the bulkhead to form an outlet (35) for discharging air from an air duct...

A cascade type thrust reverser for an air duct of a turbofan engine includes a lock mechanism mounted on a track beam (14L) that supports a translating sleeve. A locking portion (42L) of a lock pin (42) of the lock mechanism is engageable with a slideway (...

A thrust reverser for a turbofan engine having an air duct defined radially inwardly by a cowl (10) around a gas turbine and radially outwardly in part by a fan case (12) of the engine includes a bulkhead (22) that is adapted to be mounted on the fan case ...