Aerodynamic seal for a rotary machine

Details Aerodynamic seal for a rotary machine Aerodynamic seal for a rotary machine

1975-10-20

1976-09-14

Husar, C. J.

Rotary kinetic fluid motors or pumps

Method of operation

415115, 415175, 277 57, F01D 1110

Patent

active

039804119

ABSTRACT:
A rotary machine, such as a gas turbine engine, capable of reliable operation with improved overall cycle efficiency is disclosed. Various construction details which aerodynamically isolate internal cavities of the machine from the flow path for the working medium gases are developed. A sealing system built around the use of free vortex phenomenon reduces the amount of air which must be flowed through the cavity to prevent ingestion of the working medium gases into the cavity.

REFERENCES:
patent: 2463898 (1949-05-01), Moore
patent: 2988325 (1961-06-01), Dawson
patent: 3174719 (1965-03-01), Sproule et al.
patent: 3535873 (1970-10-01), Syzdlowski
patent: 3619076 (1971-11-01), Kydd
patent: 3635586 (1972-01-01), Kent et al.
patent: 3768921 (1973-10-01), Brown et al.
patent: 3791758 (1974-02-01), Jenkinson
patent: 3826084 (1974-07-01), Branstrom et al.
patent: 3936215 (1976-02-01), Hoff

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