Turbine blade damper

Details Turbine blade damper Turbine blade damper

1977-08-29

1980-01-08

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Rotor having flow confining or deflecting web, shroud or...

Axially extending shroud ring or casing

416500, F01D 510

Patent

active

041825985

ABSTRACT:
A vibration damper for use in a turbine rotor of a high temperature gas turbine is disclosed. The damper is loosely mounted in an opening formed between adjacent blade rails, the end of the rotor disk connector, and sections of adjacent blade necks between the rails and the disk connector. A cover plate positioned against one side of the turbine blade and a projection extending downwardly from the other side of the turbine blade confines the damper axially in the opening.

REFERENCES:
patent: 3112915 (1963-12-01), Morris
patent: 3266770 (1966-08-01), Harlow
patent: 3610778 (1971-10-01), Suter
patent: 3709631 (1973-01-01), Karstensen et al.
patent: 3751183 (1973-08-01), Nichols et al.
patent: 3834831 (1974-09-01), Mitchell
patent: 3936222 (1976-02-01), Asplund et al.

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