Multi-stage turbine

Details Multi-stage turbine Multi-stage turbine

1987-02-24

1987-12-01

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Plural rigidly related blade sets

415181, F01D 904

Patent

active

047100990

ABSTRACT:
A multi-stage turbine which includes a rotor disk with grooves formed in its outer portion, a plurality of blades mounted in the grooves of the rotor disk by means of anchoring portions, a shroud mounted at the circumference of the blades and linking the blades together, a casing arranged opposite the outer circumference of the blades, and a plurality of nozzles mounted at the inner circumference of the casing and having nozzle plates arranged upstream of the blades, the turbine thus being constructed of a plurality of stages which include blades and nozzles, wherein blades of a plurality of adjacent stages are supported by the anchoring portions.

REFERENCES:
patent: 741776 (1903-10-01), Dodge
patent: 1048564 (1912-12-01), Metten
patent: 1152218 (1915-08-01), Rearick
patent: 1801427 (1931-04-01), Holzwarth
patent: 2951677 (1960-09-01), Howard
patent: 4426191 (1984-01-01), Brodell et al.
patent: 4537560 (1985-08-01), Emeterio et al.
Table I. Stator Blade Coordinates NASA, pp. 13-18.

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