Coverplate damping arrangement

Details Coverplate damping arrangement Coverplate damping arrangement

1976-09-30

1978-05-09

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

416145, 416500, F01D 510

Patent

active

040884210

ABSTRACT:
A coverplate damping arrangement is provided for a turbine assembly wherein a sealing and damping pin which extends between and under adjacent bucket platforms is formed with one or more eccentric masses which cause the pin, under the urging of centrifugal force, to rotate into abutment with the coverplate.

REFERENCES:
patent: 2937849 (1960-05-01), Danforth
patent: 3112915 (1963-12-01), Morris
patent: 3137478 (1964-06-01), Farrell
patent: 3181835 (1965-05-01), Davis
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: 3887298 (1975-06-01), Hess et al.
patent: 3936222 (1976-02-01), Asplund et al.

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