Steam turbine

Details Steam turbine Steam turbine

1989-01-27

1990-12-25

Kwon, John T.

Rotary kinetic fluid motors or pumps

Working fluid bypass

F01D 1700

Patent

active

049798731

ABSTRACT:
A steam turbine suitable for part-load operation is disclosed as including a turbine duct having a first stage group of blades and a continuously open bypass duct having a fixed flow area. A nozzle group control mechanism imparts a swirling motion to a steamflow such that a first portion of the steamflow is urged through the continuously open bypass duct and a second portion of the steamflow is urged through the first stage group of blades.

REFERENCES:
patent: 1090110 (1914-03-01), Thomsen
patent: 2269235 (1942-01-01), Warren
patent: 2952973 (1960-09-01), Hall et al.
patent: 4393658 (1983-07-01), Bohnekamp et al.
patent: 4527387 (1985-07-01), Lastrina et al.

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