Abstract: An aerodynamically optimized mid-span snubber for combustion turbine blades provides sufficient stiffness to ameliorate vibratory stress but does so with minimal degradation of aerodynamic performance. The snubber has an optimized aerodynamic cross-sectional shape that forms when two snubber portions attached to adjacent rotor blades come into contact upon rotation of the rotor at an operational velocity.
Type:
Grant
Filed:
April 19, 1996
Date of Patent:
December 9, 1997
Assignee:
Westinghouse Electric Corporation
Inventors:
Nathan R. Pfeifer, John P. Thomas, Wally N. Dangerfield