FIELD: engines and pumps.
SUBSTANCE: turbojet engine blower rotor comprises multiple blower vanes 15 coupled with ring 13. Note here that every vane comprises foot 17 fitted into slot of said ring and retained therein by lock (28) fitted in cutouts (34) made on both sides of the slot nearby slot front edge to prevent displacement of said vane foot in axial direction. Note here that said lock comprises curved plate with concavity directed forward. Note here said cutouts (34) are inclined forward and receive the edges of said curved plate.
EFFECT: impact energy dissipation in case foreign object gets into engine or if blower loses its vane.
3 cl, 4 dwg
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