Built-in fan
Built-up gas turbine component and its fabrication
Bulb turbine emergency counterweight system
Bulb turbine system
Bulk material pump feeder
Bullnose step turbine nozzle
Buoyancy and gravitation motor
Buoyancy prime mover
Burst guard ring for turbo-engine housings
Bushing assembly with removable wear sleeve
Bushing for a jet engine vane
Bypass duct fan noise reduction assembly