Stiffener for low pressure compressor for an aircraft engine

Details Stiffener for low pressure compressor for an aircraft engine Stiffener for low pressure compressor for an aircraft engine

2005-07-05

2009-12-22

Casaregola, Louis J (Department: 3741)

Power plants

Combustion products used as motive fluid

Having mounting or supporting structure

C415S214100

Reexamination Certificate

active

07634916

ABSTRACT:
Unbalanced mass effects can occur at the low pressure compressor (5) of an aircraft engine.Stiffeners (20) are proposed to increase the stiffness of the assembly and therefore reduce possible cracks due to accidental unbalanced masses, one end (22) of the stiffener can be fixed to the engine casing (7) at the structural arm (10), and the other end (32) can be fixed to the compressor (5), preferably at the upstream face of the third guide vane (RD3).Advantageously, the stiffeners (20) are made of two parts fixed to each other; their manufacturing is optimized to limit the additional weight due to their presence.

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patent: 0 523 935 (1993-01-01), None
patent: 1 403 486 (2004-03-01), None

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