Containment structure for a turbojet engine

Details Containment structure for a turbojet engine Containment structure for a turbojet engine

1985-12-06

1987-03-10

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Passage or casing attached removable liner or wear member

415 9, 415174, 415197, F04D 2954

Patent

active

046487956

ABSTRACT:
The invention discloses a confinement structure for a turbojet engine to retain and confine fragments of a rotor blade. The structure has three zones of varying vulnerability to the blade fragments so as to maximize the confinement of such fragments, while minimizing the weight of the structure. A first zone, located in the plane of rotation of the rotor blade wheel confines the small fragments which may impact in this zone. A second zone, adjacent to the first, but located downstream, contains a retention belt structure to absorb the energy generated by contact with the larger blade fragments. Finally, a third zone, downstream of the second zone, defines a containment chamber to retain the larger blade fragments.

REFERENCES:
patent: 4063847 (1977-12-01), Simmons
patent: 4295787 (1981-10-01), Lardellier
patent: 4452563 (1984-06-01), Belanger et al.
patent: 4475865 (1984-10-01), Patacca et al.

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