TRANSVERSE MOUNTED ACCESSORY GEARBOX

摘要

An accessory gear box for a gas turbine engine having a drive shaft with a rotational axis and a tower shaft coupled to the drive shaft is provided. The accessory gear box includes a first plurality of gears arranged, which extend along a first axis substantially parallel to the rotational axis of the drive shaft. The accessory gear box includes a second plurality of gears, which extend along a second axis. The accessory gear box includes a first shaft, with one of the first plurality of gears coupled to the first shaft, and one of the second plurality of gears coupled to a second shaft. The one of the second plurality of gears coupled to the first shaft includes a first engagement surface and a second engagement surface, and the second engagement surface is coupled to another one of the second plurality of gears to drive the second shaft.

主权项

1. An accessory gear box for a gas turbine engine having a drive shaft with a rotational axis and a tower shaft coupled to the drive shaft, the accessory gear box comprising:
a first plurality of gears arranged within the accessory gear box, the first plurality of gears extending along a first axis substantially parallel to the rotational axis of the drive shaft; a second plurality of gears arranged within the accessory gear box, the second plurality of gears extending along a second axis, the second axis offset from and substantially parallel to the first axis; and a first shaft, with one of the first plurality of gears coupled to the first shaft, and one of the second plurality of gears coupled to a second shaft, wherein the one of the second plurality of gears coupled to the first shaft includes a first engagement surface and a second engagement surface, the first engagement surface to engage the tower shaft and the second engagement surface is coupled to another one of the second plurality of gears to drive the second shaft.