FAN FOR TURBO-MACHINE OF AIRBORNE VEHICLE, AND TURBO-MACHINE OF AIRBORNE VEHICLE, WHICH CONTAINS SUCH FAN Russian patent published in 2013 - IPC F02C7/20 F01D5/02 

FIELD: engines and pumps.

SUBSTANCE: fan for turbo-machine of airborne vehicle includes an inlet cone of turbo-machine, a fan disc, as well as fan blades. Cone of turbo-machine has external surface so that the turbo-machine flow part can pass along it. Fan blades are installed on the above disc, together with which they are rotated about the fan rotation axis. Fan includes an annular balancing flange connected in rotation to the fan disc about the above rotation axis and equipped with multiple attachment holes of balance weights located in circumferential direction at some distance from each other. The fan also includes one or several balance weights rigidly fixed on the above annular balancing flange by means of one or more of the above described attachment holes of balance weights. Annular balancing flange is located inside the above inlet cone so that its attachment holes of balance weights are isolated from the above flow part of the turbo-machine. In addition, the fan includes a retaining ring of the fan blades, which allows retaining those blades in axial direction in relation to the above fan disc. The retaining ring and the above annular balancing flange are made in the form of a single part.

EFFECT: invention allows reducing overall dimensions and total weight of the turbo-machine fan.

6 cl, 5 dwg