RESILIENT DAMPING SUPPORT OF TURBO MACHINE Russian patent published in 2014 - IPC F01D25/16 

FIELD: machine building.

SUBSTANCE: turbo machine resilient damping support has slotted oil chamber divided by seal rings in blind damping slotted chamber located outside the bearing and jet slotted chamber located outside the oil jet, between turbo machine disc and damping chamber. Labyrinth seal is locked tangentially relative to turbo machine shaft by radial sleeve with L-like sidewall fitted in shaft wall bore. Note here that L/l=1.5…4, where L is axial length of damping slotted chamber; l is axial length of jet slotted chamber.

EFFECT: higher reliability, ruled out turn of labyrinth seal relative to turbo machine shaft.

4 dwg