Axial-admission steam turbine, especially of double-flow constru

Details Axial-admission steam turbine, especially of double-flow constru Axial-admission steam turbine, especially of double-flow constru

1983-03-15

1986-02-18

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

With diversely oriented inlet or additional inlet for...

Diverse fluids to motor

415103, F01D 2512, F01D 108

Patent

active

045711534

ABSTRACT:
An axial-admission steam turbine, includes a steam inflow region, guide vane rings including a first guide vane ring, guide vanes of the first guide vane ring having radially inner ends, a shaft being rotatable in a given direction, an annular shaft shield being connected to the radially inner ends of the guide vanes of the first guide vane ring and being disposed in vicinity of the steam inflow region, the annular shaft shield surrounding the shaft at a distance defining a ring canal therebetween, the annular shaft shield having nozzles formed therein for discharging into the ring canal tangentially relative to the shaft as seen in the given direction of rotation of the shaft.

REFERENCES:
patent: 3147951 (1964-09-01), Cain, Jr. et al.
patent: 3232580 (1966-02-01), Birmann
patent: 3817654 (1974-06-01), Sohma
patent: 3861821 (1975-01-01), Keller et al.
patent: 3994630 (1976-11-01), Rodgers
Article from W. Traupel "Thermische Turbomaschinen", vol. 2, 2nd Ed., Springer-Verlag, Berlin, Heidelberg, New York, 1968, p. 341.
Journal "BBC-Nachrichten", 1980, No. 10, p. 378.

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