Bladed disk with three-root blades

Details Bladed disk with three-root blades Bladed disk with three-root blades

1998-01-07

1999-07-06

Ryznic, John E.

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Blade received by continuous circumferential channel

416217, 416221, B63H 120, F01D 530

Patent

active

059190329

ABSTRACT:
The blades (10) of a turbine or a compressor are here fixed to the disk (1) by three roots (7, 8 and 9) inserted in the same number of circular grooves (4, 5 and 6). This assembly makes it possible to provide a good distribution of stresses during functioning.

REFERENCES:
patent: 846739 (1907-03-01), Farquhar
patent: 1500787 (1924-07-01), Anderson
patent: 1638639 (1927-08-01), Marsland
patent: 2327839 (1943-08-01), Zschokke
patent: 2639119 (1953-05-01), Greenwald
patent: 2751189 (1956-06-01), Ledwith
patent: 2847187 (1958-08-01), Murphy
patent: 2928651 (1960-03-01), Turnbull
patent: 3014695 (1961-12-01), Rankin et al.
patent: 3282561 (1966-11-01), Frankel et al.
patent: 3383094 (1968-05-01), Diggs
patent: 3986779 (1976-10-01), Beckershoff
patent: 4008000 (1977-02-01), Gradl et al.
patent: 4101245 (1978-07-01), Hess et al.

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