BLOWER BLADE ASSEMBLY WITH DAMPER, BLOWER BLADE DAMPER, AND METHOD OF DAMPER CALIBRATION Russian patent published in 2013 - IPC F01D5/26 F01D25/06

Abstract RU 2476683 C2

FIELD: engines and pumps.

SUBSTANCE: blower blade comprises root and bed. Blower blade damper is arranged to be secured in support made at bed bottom surface. Said support comprises inlet flange perpendicular to blade root. Said damper comprises front edge with its first part parallel with support inlet flange and its second part inclined to said inlet flange. Damper comprises top surface including right top inclined surface and left top inclined surface. Method of damper calibration comprises the following operations: defining relative weight M_ref of damper, measuring its effective weight M_eff, cutting off redundant weight equal to said relative weight M_ref.

EFFECT: higher operating reliability.

12 cl, 5 dwg

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RU 2 476 683 C2

Authors

Mas Zherom Pol' Marso

Nitr T'Erri

Regezza Patrik Zhan-Lui

Dates

2013-02-27—Published

2008-11-11—Filed