Steam turbine high pressure vent and seal system

Details Steam turbine high pressure vent and seal system Steam turbine high pressure vent and seal system

1985-10-23

1987-04-28

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

With shaft connected fluid force subjected thrust balancing...

415105, F01D 300

Patent

active

046610430

ABSTRACT:
A steam turbine having a chamber in the inlet end thereof adjacent the thrust balance piston and dummy ring formed so that the temperature is substantially reduced while the pressure is only slightly reduced to optimize the pressure temperature affect on the balance piston and rotor utilizing labyrinth seals and a static seal together with vent ports in fluid communication with the chamber and an area downstream of the first row of rotatable blades to provide a more efficient and reliable turbine.

REFERENCES:
patent: 2467818 (1949-04-01), Elston
patent: 2796231 (1957-06-01), Hertl
patent: 2888240 (1959-05-01), Fleischmann
patent: 2920867 (1960-01-01), Reese et al.
patent: 3614255 (1971-10-01), Rooney
patent: 3746463 (1973-07-01), Stock et al.
patent: 4362464 (1982-12-01), Stock

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