Seal-off mechanism for rotating turbine shaft

Details Seal-off mechanism for rotating turbine shaft Seal-off mechanism for rotating turbine shaft

1986-02-04

1988-02-02

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

Including means for handling portion separated from working...

415174, 277 28, 277173, F01D 2532

Patent

active

047226633

ABSTRACT:
A seal-off mechanism for preventing migration of working fluid along a turbine shaft which includes a floating seal ring and a shaft shoulder. The seal ring is spring biased against the shaft shoulder. During turbine operation, a pressurized fluid moves the ring away from the shoulder. The pressurized fluid then flows toward the turbine to contain the working fluid. A chamber collects the pressurized fluid and the working fluid for subsequent separation and reuse.

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patent: 3475033 (1969-10-01), Voitik
patent: 4193603 (1980-03-01), Sood
patent: 4428584 (1984-01-01), Shapiro
patent: 4477223 (1984-10-01), Giroux
patent: 4495035 (1985-01-01), Swearingen
patent: 4587076 (1986-05-01), Bonhomme

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