Valve apparatus for steam turbines

Details Valve apparatus for steam turbines Valve apparatus for steam turbines

1995-08-14

1997-02-11

Kwon, John T.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Nozzle discharging onto motor runner

13762547, F01D 902

Patent

active

056014058

ABSTRACT:
A valve assembly for steam turbines having an intake valve of spherical section formed by two parallel planar sidewalls of a sphere disposed about the center thereof defining a spherical shaped end wall and formed with a shaft receiving aperture, the valve body formed with a plurality of apertures in a sidewall thereof, and a channel extending between each of the sidewall apertures with a corresponding aperture formed in the spherical shaped end wall, the intake valve rotatable independently about the shaft of the steam turbine for alignment with corresponding intake apertures in a circular steam chest disposed about the spherical shaped end wall of the intake valve.

REFERENCES:
patent: 3372906 (1968-03-01), Griffith
patent: 4003403 (1977-01-01), Nehring
patent: 4097188 (1978-06-01), Forster
patent: 5105851 (1992-04-01), Fogelman
patent: 5125797 (1992-06-01), Kapich

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