公开(公告)号：US11421551B2

公开(公告)日：2022-08-23

申请号：US16099775

申请日：2017-05-23

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Akash Joshi ,  Ravindra Shankar Ganiger ,  Vidyashankar Ramasastry Buravalla ,  Shuvajyoti Ghosh ,  Shivaram A C

IPC: F01D25/16

Abstract: A gas turbine engine includes a compressor section and a turbine section arranged in serial flow order. A shaft is provided rotatable with at least a portion of the compressor section and with at least a portion of the turbine section. A bearing is also provided supporting rotation of the shaft, with a support element in turn supporting the bearing. The gas turbine engine also includes a superelastic member formed of a shape memory alloy supporting at least one of the support element or the bearing. The superelastic member is installed in a pre-stressed condition to enhance a dampening function of the superelastic member.