Bucket for the last stage of a steam turbine

Details Bucket for the last stage of a steam turbine Bucket for the last stage of a steam turbine

1992-07-15

1994-04-05

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

Specific blade structure

Radial flow devices

416190, 416191, 416192, 416193A, 416196R, 416DIG2, 415181, F01D 514

Patent

active

052999157

ABSTRACT:
A last-stage steam turbine bucket having a profile according to Charts I-XXXXI of Table I.
The bucket is divided into a number of profile sections each of which is a predetermined radial distance from the root section. Each point on a profile section at the predetermined radial distance from the root is defined by an X-Y coordinate and a radius R along the arc of a circle connecting adjacent points.

REFERENCES:
patent: 1842957 (1932-01-01), Bassler
patent: 2197334 (1940-04-01), Bohan
patent: 3367629 (1968-02-01), Partington
patent: 3572968 (1971-03-01), Musick
patent: 4682935 (1987-07-01), Martin
patent: 4695228 (1987-09-01), Purcaru
patent: 4878811 (1989-11-01), Jorgensen
patent: 4900230 (1990-02-01), Patel
patent: 5088894 (1992-02-01), Patel
patent: 5160242 (1992-11-01), Brown
patent: 5767274 (1988-08-01), Walter

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