Dual thrust reverser and silencer for jet engines
Dual-flow turbine engine for aircraft with low noise emission
Dual-fuel engine capable of operating at least in a ramjet...
Dual-mode propellant charge with a trumpet-shaped channel...
Duct burning mixed flow turbofan and method of operation
Ducted fan jet engine
Ducted fan turbine engine
Duplex mixer exhaust nozzle
Duplex tab exhaust nozzle