公开(公告)号：US20180298822A1

公开(公告)日：2018-10-18

申请号：US15949427

申请日：2018-04-10

Applicant: General Electric Company

Inventor： Shivaram AC ,  Vidyashankar Ramasastry BURAVALLA ,  Ravindra Shankar GANIGER ,  Shuvajyoti GHOSH ,  Akash JOSHI

IPC: F02C7/20 ,  F02C7/06 ,  F16F1/22 ,  F16F15/02 ,  F16C19/54

Abstract: A support assembly for a load-bearing unit, a gas turbine engine including the support assembly, and a method of operation of the support assembly are provided. The support assembly includes a support element, a damper, and a variable stiffness member. The support element supports the load-bearing unit. The damper supports the support element and is configured to provide dampening of the load-bearing unit. The variable stiffness member is positioned between the damper and the load-bearing unit. The variable stiffness member is configured to provide a serial dampening of the load-bearing unit with the damper. The variable stiffness member includes a shape memory alloy.