Turbo-engine guard

Details Turbo-engine guard Turbo-engine guard

F - Mech Eng,Light,Heat,Weapons

02

C

60/89

F02C 7/055 (2006.01) B64D 33/02 (2006.01)

Patent

CA 1307672

ABSTRACT TURBO-ENGINE GUARD A turbo-engine guard (2) for mounting on the air inlet (1) side of a turbo-engine, particularly of aeroplanes, comprises guard elements (3) possessing an optimum aerodynamic design. Advantageously the centre lines or their extensions of the guard elements intersect or do not intersect each other in one plane. Preferably the guard elements (3) are helically mounted, preferably along several helical lines. Appropriately the guard elements (3) are kept under a tension so that these elements return to their original position after collision. Suitable materials for the guard elements are plastics of the poly-p-phenylene terephtalamide type, carbon fibres, metal or parts being held together by a binder being resistant to temperatures comprised between +150°C and -50°C. In a preferred embodiment in case of breaking of a guard element 3 in pieces, the resultant parts undergo an appropriate shortening, preferably obtained by a spring force introduced into these parts, to a length being less than the distance between the rotating parts of the engine and the location at which this resultant part is kept in position. The resultant parts can also be pulled away from the inflowing air stream by means of a member or construction mounted inside or outside the air inlet and/or inside or outside the element (3) concerned. The guard (2) is at least partially detachable or replaceable.

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