Patent ID: 8382120
Filing Date: 2013-02-26
Classification: F01D,F05D,F16J

Abstract:
1. A seal assembly for a turbomachine, the turbomachine comprising a stationary housing and a rotor rotatable about an axis, the seal assembly comprising: a front ring and a back ring coupled to the stationary housing; a plurality of compliant plate members attached to an interior surface of the stationary housing between the front ring and the back ring, the compliant plate members defining a sealing ring between the stationary housing and the rotor, wherein each of the compliant plate members comprises at least one slot therein; at least one annular ring attached to the interior surface of the stationary housing and extending radially into the at least one slot in the compliant plate members, the at least one annular ring extending circumferentially through and between a plurality of the compliant plate members such that the at least one annular ring serves as a barrier to at least some axial leakage flow between the compliant plate members; and a vibration damper contacting at least two of the front ring, the at least one annular ring, and the compliant plate members to dampen vibration of the plurality of compliant plate members.