FIELD: machine building.
SUBSTANCE: spacer out of foil designed for blade of turbo-jet engine consists of two branches enveloping side surfaces of blade root and of two tongues passing correspondingly from end of each of said two branches. Both tongues are interconnected and do not unbend. Another invention of the group refers to the blade of the fan root of which is enveloped with the above said spacer out of foil. The next invention of the group refers to the turbo-jet engine containing blade of the fan root of which is enveloped with the above said spacer out of foil.
EFFECT: avoiding damages of drum of low pressure compressor due to reliable fixture of spacer in axial direction.
12 cl, 9 dwg
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RU2469193C2 |
