The Silvercrest accessory gearbox
facilitates the transmission of power from the engine core to the engine and aircraft accessories including the fuel pump, lube pump, generators, and hydraulic pump.
UTC Aerospace Systems% Engine & Controls Systems business was also selected by Snecma (Safran) to provide the Accessory Gearbox
System for the Silvercrest Engine, which powers the latest Falcon 5X Business Jet.
Its principal products include helicopter gears and transmissions, accessory gearbox
assemblies, rotorcraft drive systems and other machined and fabricated parts.
The T700 engine is unique in that it has a built-in integrated particle separator (IPS) blower as part of the engine's accessory gearbox
Within the Engine Alliance, P&W is responsible for the fan, low pressure compressor, low pressure turbine, and accessory gearbox
modules; GEAE is responsible for the engine core (HPC, combustor, and HPT) and control system modules.
While doing a daily inspection on an MH-53E, Petty Officer Johnson discovered severe scoring on the drive shaft for the accessory gearbox
from an improperly routed hydraulic line.
Also participating as partners are MTU Aero Engines from Germany, supplying the low-pressure turbine for the engine, and FiatAvio from Italy, responsible for the fan drive gearbox assembly, intermediate case and accessory gearbox
Technicians will be able to perform an unprecedented amount of on-wing engine work including hot section inspections and replacement of the: engine fan, low pressure turbine, accessory gearbox
and main shaft bearings and seals.