Patent ID: 6722846
Filing Date: 2004-04-20
Classification: F01D,F05D

Abstract:
A steam turbine comprising:a rotor carrying a plurality of circumferentially spaced buckets having bucket tips; a stationary casing surrounding the rotor and carrying a plurality of nozzles, the buckets and nozzles forming a stage of the steam turbine; said casing carrying a plurality of circumferentially extending static seal strip segments thereabout at an axial seal location spaced radially from said bucket tips for sealing between the bucket tips and the casing; each of said segments having endfaces respectively in circumferential registry with opposed endfaces of circumferentially adjacent segments, said endfaces including slots opening circumferentially and in general circumferential registration with one another; and a spline seal extending between each of said opposed endfaces of circumferentially adjacent segments and in said slots for minimizing or precluding steam leakage flow past said registering endfaces.