Sealing device between an air inlet and a fan frame of a turbofa

Details Sealing device between an air inlet and a fan frame of a turbofa Sealing device between an air inlet and a fan frame of a turbofa

1996-02-02

1998-01-13

Freay, Charles G.

Power plants

Reaction motor

Interrelated reaction motors

60 3932, 244 54, F02K 302

Patent

active

057066485

ABSTRACT:
In a turbofan engine, particularly of the type in which the front end of the fan frame (26) is separate from the air inlet (24), the seal between the said two structures is provided by an elastic sleeve (32) fixed to the air inlet and fitted onto the front part of the fan frame. The diameter of the part of the sleeve before it is mounted onto the frame (26) is smaller than the external diameter of the front part of the latter. The sleeve (32) has an internal fitting preventing any relative circumferential displacement between the two ends thereof. An inflatable member (46) can be placed about that part of the sleeve which is fitted into the frame.

REFERENCES:
patent: 3463498 (1969-08-01), Bill
patent: 3591963 (1971-07-01), Kopp
patent: 4022948 (1977-05-01), Smith et al.
patent: 4645217 (1987-02-01), Honeycutt, Jr. et al.
patent: 5174525 (1992-12-01), Schilling
patent: 5222692 (1993-06-01), Glowacki
patent: 5319922 (1994-06-01), Brantley

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