Provision of sealing for the cabin-air bleed cavity using a...

Details Provision of sealing for the cabin-air bleed cavity using a... Provision of sealing for the cabin-air bleed cavity using a...

2006-07-11

2006-07-11

Casaregola, Louis J. (Department: 3746)

Power plants

Combustion products used as motive fluid

Combustion products generator

C060S796000, C415S207000

Reexamination Certificate

active

07073336

ABSTRACT:
The invention relates to the sealing of the cavity from which air is bled off to the cabin, which cavity is delimited, on the one hand, by the external shell (6) of the compressor and an annular structure (7) connected to the shell, and, on the other hand, by the external casing (12) of the diffuser grating and a strut (13) connected to said external casing and to an external engine casing shell (14), this external casing shell (14) being fastened to the annular structure (7) by bolting together flanges, using sealing means provided between the annular structure (7) and the external casing (12) of the diffuser grating.The sealing means comprise a split annular segment (50) whose radially internal part (51) is housed in a radially sliding and sealed manner in a groove (32) provided at the periphery of the upstream part (12a) of the external casing (12) of the grating of the diffuser, the periphery (52) of said segment bearing on the internal surface (54) of a cylindrical sleeve (53) which is integral with the annular structure (7) and surrounds said segment (50).

REFERENCES:
patent: 4190397 (1980-02-01), Schilling et al.
patent: 4502276 (1985-03-01), Pask
patent: 4554789 (1985-11-01), Napoli et al.
patent: 4613280 (1986-09-01), Tate
patent: 1 221 034 (1987-04-01), None
patent: 26 03 867 (1977-06-01), None
patent: 0 974 736 (2000-01-01), None
patent: 2 011 553 (1979-07-01), None

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