Patent ID: 8100638
Filing Date: 2012-01-24
Classification: F01D,F16C

Abstract:
1. A gas turbine engine comprising a rotating member, a support structure and a centering device, the centering device centres the rotation of the rotating member which is supported within the support structure, characterised in that the device includes a first member and a second member that contact one another, one of the first and second members extending from the rotating member and the other of the first and second members extending from the support structure, the first member comprises a biasing surface and the second member comprises a seating surface, the device requiring a predetermined force to be applied to move between a centered condition and a first out of centre condition and in the centered condition the first member is seated against the seating surface of the second member, and in the first out of centre condition the second member contacts the biasing surface which is arranged to provide a biasing force to bias the device to the centered condition.