PLANT FOR STRENGTH TESTING OF IMPELLER OF TURBOMACHINES Russian patent published in 1998 - IPC

FIELD: strength testing of impellers. SUBSTANCE: plant for strength testing of impellers of turbomachines has chamber for installation of tested impeller, drive of its rotation and separable members exciting vibrations of impeller blades manufactured in the form of individual fins radially mounted on face walls inside chamber. Fin placed in parallel to plane of rotation of impeller is linked to fin of each excitation member. EFFECT: increased efficiency of heating of air stream and tested parts and loading cycle of tested impellers. 2 dwg