Turbine blade assembly

Details Turbine blade assembly Turbine blade assembly

1991-04-29

1993-08-17

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Blade received in well or slot

416206, 416248, B63H 120

Patent

active

052363090

ABSTRACT:
A turbine blade assembly composed of a rotor which is rotatable about a turbine axis of rotation and a plurality of turbine blades supported by the rotor, each blade having a root and the rotor being provided with a groove shaped for holding each root in a manner such that the root and groove have mutually contacting surfaces which apply a radially inwardly directed restraining force to the root, the root further having a bottom facing the turbine axis and the groove having a base which is located radially inwardly of, and faces, the root bottom. The mutually contacting surfaces of the root and the groove are pressed together by means of at least one disc spring compressed between the root bottom and the groove base.

REFERENCES:
patent: 2847187 (1958-08-01), Murphy
patent: 2930581 (1960-03-01), Klint
patent: 2942842 (1960-06-01), Hayes
patent: 2971743 (1961-02-01), Welsh
patent: 3378230 (1968-04-01), Toomey
patent: 3572970 (1971-03-01), Smuland
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patent: 3904314 (1975-09-01), Pedersen
patent: 4019832 (1977-04-01), Salemme et al.
patent: 4022545 (1977-05-01), Shank
patent: 4265595 (1981-05-01), Bucy, Jr. et al.
patent: 4725200 (1988-02-01), Welhoelter
patent: 4820127 (1989-04-01), Cohen et al.

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