FIELD: engines and pumps.
SUBSTANCE: seal for sealing the gap between the blade and the cover plate of the straightening blade of the guide apparatus comprises a connecting portion for connecting to the cover plate, a ridge flexible portion and a collar flexible portion. The ridge flexible portion extends from the connecting portion and tapers towards the tip to form a rounded angle between the blade and the cover plate, when the tip is in contact with the blade. The collar flexible portion extends from the seal inner surface and has such sizes in order to come into contact with the structure upper surface to attach the vain and maintain gas impermeability.
EFFECT: according to the present invention the seal does not require intensive labour operation, it requires only attachment to the cover plate and integration into the straightening blade of the guide apparatus for sealing the flow of air and not to cause turbulence in the air flow.
4 cl, 8 dwg
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