Seal between a turbine rotor of a gas turbine engine and associa

Details Seal between a turbine rotor of a gas turbine engine and associa Seal between a turbine rotor of a gas turbine engine and associa

1981-04-21

1983-03-08

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 27, 277 91, 415115, 416 95, F01D 508, F01D 518, F16J 1516

Patent

active

043758916

ABSTRACT:
A seal for use between the turbine rotor of a gas turbine engine and associated static structure comprises a ring of low-friction material which cooperates with the surface of the rotor to form an air bearing. The ring carries a sealing member which cooperates with a surface of the rotor to form a seal. The air bearing ensures that the sealing member is maintained at a constant spacing from the rotor, and this spacing may thus be maintained at a low value.

REFERENCES:
patent: 2733567 (1956-02-01), Zellweger
patent: 2908516 (1959-10-01), Stein
patent: 3499653 (1970-03-01), Gardner
patent: 3516678 (1970-06-01), Stein
patent: 3575528 (1971-04-01), Beam
patent: 4082296 (1978-04-01), Stein
patent: 4213738 (1980-07-01), Williams
patent: 4217755 (1980-08-01), Williams

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