Casing cover in a jet engine

Details Casing cover in a jet engine Casing cover in a jet engine

2011-03-22

2011-03-22

Nguyen, Ninh H (Department: 3745)

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Casing with mounting means

C415S134000, C415S214100, C415S220000

Reexamination Certificate

active

07909573

ABSTRACT:
A casing cover for enclosing a casing in a jet engine is disclosed. The casing cover includes two coaxial shells arranged one inside the other and radial envelopes which connect the two coaxial shells. Radial arms of the casing extend inside the radial envelopes. The cover is fastened at its downstream end to a first element of the casing and axially abuts at its upstream end on a second element of the casing. In a free state, an axial dimension of the cover of less than the axial distance of the casing between the point where the first element of the casing is fastened to the downstream end of the cover and the point where the second element of the casing axially abuts the upstream end of the cover such that the cover is tensioned axially when it is mounted on and fastened to the casing.

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patent: 6148518 (2000-11-01), Weiner et al.
patent: 6203273 (2001-03-01), Weiner et al.
patent: 7571614 (2009-08-01), Lejars et al.
patent: 2 226 600 (1990-07-01), None

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