Patent ID: 8628092
Filing Date: 2014-01-14
Classification: F01D,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 plurality of arcuate packing ring segments disposed intermediate to the rotor and the stationary housing; a plurality of inter-segment gaps disposed between the plurality of arcuate packing ring segments, wherein the plurality of inter-segment gaps are configured along a radial axis of the rotor; and a plurality of biasing members, each comprising two flexures forming a V shape having an apex when viewed along the axis of the rotor, disposed intermediate to the stationary housing and the plurality of arcuate packing ring segments and coupled to both, wherein each arcuate packing ring segment has at least one pair of biasing members symmetrically spaced apart by a bisecting axis of the respective arcuate packing ring segment with the apexes of the V shape biasing members facing away from each other.