Metallic lip seal and turbo jet engine equipped with said seal

Details Metallic lip seal and turbo jet engine equipped with said seal Metallic lip seal and turbo jet engine equipped with said seal

1995-06-26

1996-11-26

Look, Edward K.

Rotary kinetic fluid motors or pumps

Bearing, seal, or liner between runner portion and static part

Resilient, flexible, or resiliently biased

4151737, 277 25, 277 95, F01D 1100, F01D 2524

Patent

active

055778879

ABSTRACT:
The seal prevents any particles absorbed by the turbo jet engine from sliding between the upper surface of the disk (1) of the high pressure turbine and the labyrinth (2) secured to the latter.
This seal includes a body (5C) placed in a cavity (6) of the labyrinth (2) and a lip (5L) resting on the upper surface (1AM) of the disk (1) so that on stopping there is a small space (6) between the labyrinth (2) and the seal (5).
Application for all aircraft turbo jet engines.
FIG. 2.

REFERENCES:
patent: 2729476 (1956-01-01), Duggan
patent: 2797067 (1957-06-01), Fisher
patent: 3754766 (1973-08-01), Asplund
patent: 4820119 (1989-04-01), Joyce
patent: 5118120 (1992-06-01), Drerup et al.
patent: 5402636 (1995-04-01), Mize et al.

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