Rotor blade fixing providing improved angular alignment of said

Details Rotor blade fixing providing improved angular alignment of said Rotor blade fixing providing improved angular alignment of said

1990-03-09

1991-09-03

Kwon, John T.

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Blade received by continuous circumferential channel

416193A, 416248, F01D 530

Patent

active

050448862

ABSTRACT:
Rotor blades having roots of the hammer-head type which are received in a circumferential groove in the rim of a rotor disc to secure the blades on the disc are provided with a raised portion on the underside of the blade platform which extends over the entire circumferential length of the platform and has a width equal to that of the mouth of the groove in the rim of the disc. The root of each blade is mounted on this raised portion, and when the root is received in the groove of the disc the raised portion is received closely in the mouth of the groove to ensure the correct alignment of the blade.

REFERENCES:
patent: 2295012 (1942-09-01), Semar
patent: 3902824 (1975-09-01), Sauer
patent: 4451204 (1984-05-01), Pask
patent: 4460315 (1984-07-01), Tseng et al.
patent: 4464096 (1984-08-01), Trousdell et al.
patent: 4465432 (1984-08-01), Mandet et al.
patent: 4818182 (1989-04-01), Bource
patent: 4878811 (1989-11-01), Jorgensen

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