Blade group with pinned root

Details Blade group with pinned root Blade group with pinned root

1982-12-29

1984-07-17

Marcus, Stephen

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Blade received by continuous circumferential channel

416191, 416220R, 416500, F01D 526

Patent

active

044603169

ABSTRACT:
A plurality of rotatable turbine blades are formed integral with a shroud and platform and a plurality of arcuate plate root portions which are received by circumferential grooves in a rotor and are fastened to the rotor by three pins extending axially through the root portions and the rotor, the shroud and platform portions having a protrusion on one corner to support the trailing edge of one of the blade portions and a notch in the shroud and the platform on the corner opposite the protrusion whereby the protrusions on one group of blades register with the notch on an adjacent group of blades when the groups of blades are disposed in a circular array on the rotor.

REFERENCES:
patent: 2220918 (1940-11-01), Smith
patent: 2326145 (1943-08-01), Kroon
patent: 2405146 (1946-08-01), Huber
patent: 2745352 (1956-05-01), Zeidler
patent: 3014695 (1961-12-01), Rankin et al.
patent: 3576377 (1971-04-01), Beanland
patent: 4076455 (1978-02-01), Stargardter
patent: 4135849 (1979-01-01), Pigott

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