Geared turbofan engine with integral gear and bearing supports

摘要

A gas turbine engine includes a bearing. A bearing support includes a first wall that extends between the first and second ends and is operatively supported by the bearing at a first end. An engine case is secured to the second end radially outward of the first end. A flexible support is provided by a second wall integral with and extending transversely from the first wall. The second wall has a first flange and a gear train component is secured to the first flange.

主权项

1. A gas turbine engine comprising:
a bearing; a bearing support including a first wall extending between first and second ends and operatively supported by the bearing at a first end; an engine case secured to the second end radially outward of the first end; a flexible support provided by a second wall integral with and extending transversely from the first wall, the second wall having a first flange, wherein the second wall intersects the first wall at a location spaced from the second end and the engine case; a torque frame secured to the first flange; and wherein the first end provides a first support having a surface with a first radius, and a centering spring supporting the bearing and secured to the surface, the first flange having a second radius larger than the first radius to accommodate the centering spring during an assembly procedure.