Gas turbine engine sealing arrangement

Details Gas turbine engine sealing arrangement Gas turbine engine sealing arrangement

1996-11-08

1998-11-10

Nicholson, Eric K.

Seal for a joint or juncture

Seal between relatively movable parts

Close proximity seal

277418, 4151701, 415115, 416 95, 416198A, F16J 15447

Patent

active

058332448

ABSTRACT:
In a sealing arrangement between two discs of a gas turbine engine a split sealing arrangement comprising a pair of sealing formations each made up of a plurality of sealing segments is provided. Each of the segments has a root accommodated in serrations of the discs. The roots of the sealing segments are positively connected to roots of the rotor blades by dovetail or T-shaped tongues and grooves. The sealing segments are also provided with internal cooling passages.

REFERENCES:
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patent: 4127359 (1978-11-01), Stephan
patent: 4265594 (1981-05-01), Eggmann
patent: 4277225 (1981-07-01), Dubois et al.
patent: 4468148 (1984-08-01), Seymour
patent: 4483054 (1984-11-01), Ledwith
patent: 4820116 (1989-04-01), Hovan et al.
patent: 4884950 (1989-12-01), Brodell et al.
patent: 5462403 (1995-10-01), Pannone
patent: 5488825 (1996-02-01), Davis et al.

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