RTX Corporation
Integral gear support and bearing damper pedestal

Abstract:

A bearing compartment of a gas turbine engine includes a case element, a towershaft bearing located in the case element and supportive of a towershaft, and a shaft bearing located in the case element and supportive of an engine shaft. An integral gear support and bearing damper pedestal, includes a support base secured to the case element, and a gear support arm extending from the support base to the towershaft bearing. The gear support arm is supportive of the towershaft bearing. A bearing damper pedestal extends from the support base to the shaft bearing and is located radially outboard of a bearing outer race of the shaft bearing.