Fluid reaction surfaces (i.e. – impellers) – Unsymmetrical impeller or dissimilar working members
Patent
1988-05-20
1989-11-07
Powell Jr., Everette A.
Fluid reaction surfaces (i.e., impellers)
Unsymmetrical impeller or dissimilar working members
416175, 416228, 416500, F01D 510
Patent
active
048788104
ABSTRACT:
Within a rotor blade row of a steam turbine, rotor blades having one resonant frequency alternate with rotor blades having a second, different resonant frequency. The two different resonant frequencies are achieved by profiling the tips of every other rotor blade.
REFERENCES:
patent: 1639247 (1927-08-01), Zoelly et al.
patent: 2575710 (1951-11-01), Hardigg
patent: 2915279 (1959-12-01), Chamberlin
patent: 2916258 (1959-12-01), Klint
patent: 2948506 (1960-08-01), Glasser et al.
patent: 3006603 (1961-10-01), Caruso et al.
patent: 3347520 (1967-10-01), Owczarek
patent: 3536417 (1970-10-01), Stiefel et al.
patent: 4097192 (1978-06-01), Kulina
patent: 4274806 (1981-06-01), Gallardo
patent: 4732532 (1988-03-01), Schwaller et al.
Powell Jr. Everette A.
Westinghouse Electric Corp.
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