Integrally cast vane and shroud stator with damper

Details Integrally cast vane and shroud stator with damper Integrally cast vane and shroud stator with damper

1985-04-23

1986-11-11

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Plural distributing means immediately upstream of runner

415119, 415218, 416500, F01D 904

Patent

active

046219765

ABSTRACT:
An integrally cast stator is formed having an annular array of vanes connected at their outer ends to an outer shroud and connected at their inner ends to an inner shroud, said outer shrouds of adjacent cast stators having a snap fit, said inner shroud having an annular C-shaped channel integrally formed within its inner surface by an inwardly extending radial flange and rearwardly extending cylindrical flange. An annular spring damping device having an outer annular arm and an inner annular arm, said damping device being positioned in said annular C-shaped channel with said inner annular arm fixed in said C-shaped channel inwardly of said inner shroud and with said outer annular arm biased against said inner surface of said inner shroud. A modification has two annular C-shaped channels.

REFERENCES:
patent: 1730168 (1929-10-01), Schiffmann
patent: 2749026 (1956-06-01), Hasbrouck et al.
patent: 2772852 (1956-12-01), Stalker
patent: 3644057 (1972-02-01), Steinbarger
patent: 4285633 (1981-08-01), Jones
patent: 4470754 (1984-09-01), Manente et al.

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