Repairable labyrinth seal

Details Repairable labyrinth seal Repairable labyrinth seal

2006-08-31

2010-12-14

Pickard, Alison K (Department: 3676)

Seal for a joint or juncture

Seal between relatively movable parts

Close proximity seal

C277S418000, C029S402020, C029S402130, C029S402070

Reexamination Certificate

active

07850173

ABSTRACT:
A repairable labyrinth seal of a gas turbine engine comprises at least one fin having a base with a thickness and a tip portion extending therefrom. A shoulder distinguishes the base from the tip portion. The shoulder defines a machining site suitable for receiving a welded replacement piece for shaping a new tapered tip portion following removal of a worn tapered tip portion.

REFERENCES:
patent: 2874005 (1959-02-01), Engstrom
patent: 3771798 (1973-11-01), McDonald et al.
patent: 3846899 (1974-11-01), Gross
patent: 4148494 (1979-04-01), Zelahy et al.
patent: 4285108 (1981-08-01), Arrigoni
patent: 4397471 (1983-08-01), Feldman et al.
patent: 4606102 (1986-08-01), Riethmuller
patent: 4657171 (1987-04-01), Robins
patent: 5211535 (1993-05-01), Martin et al.
patent: 5984314 (1999-11-01), Peters et al.
patent: 6200689 (2001-03-01), Ferrigno et al.
patent: 7363707 (2008-04-01), Powers

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