FIELD: engines and pumps.
SUBSTANCE: turbojet impeller comprises vanes with their axisymmetric bearing and damper. Said vanes extend radially to opposite sides from the seat and are furnished with the root to jointing them to bearing in direction of wheel axis. Aforesaid damper is arranged on one side of spacer extending axially from bearing between the latter and vane root and comprises, at least, one layer of viscoelastic material and, at least, one counter layer of stiff material. Said damper is axially and/or radially divided into, at least, two elementary damper elements. Another invention of the set relates to turbojet including, at least, aforesaid wheel.
EFFECT: ruled out vibrations, simplified production.
15 cl, 14 dwg
Authors
Dates
2013-07-10—Published
2008-06-25—Filed