Rooted aerodynamic blade and elastic roll pin damper constructio

Details Rooted aerodynamic blade and elastic roll pin damper constructio Rooted aerodynamic blade and elastic roll pin damper constructio

1976-01-28

1977-05-10

Powell, Jr., Everette A.

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Blade received in well or slot

416140, 416135, F01D 510, F01D 532

Patent

active

040225453

ABSTRACT:
Herein disclosed is the combination of an aerodynamic blade having a root formed with outwardly curved shoulders and a transverse curved indentation, a rotor disc formed with a blade root receiving slot having curved complementary retaining surfaces in contact with those shoulders and an elastic split metallic roll pin disposed between the indentation and disc to provide damping, the radii of the curved shoulders and retaining surfaces being generated from an axis below said indentation.

REFERENCES:
patent: 1619133 (1927-03-01), Kasley
patent: 2595829 (1952-05-01), Dean
patent: 2686655 (1954-08-01), Schorner
patent: 2727716 (1955-12-01), Feilden et al.
patent: 2753149 (1956-07-01), Kurti
patent: 2847187 (1958-08-01), Murphy
patent: 2936155 (1960-05-01), Howell et al.
patent: 2997274 (1961-08-01), Hanson
patent: 3572970 (1971-03-01), Smuland
patent: 3687569 (1972-08-01), Klompas
patent: 3720481 (1973-03-01), Motta

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