RESONANCE GENERATING DEVICE FOR TESTING FATIGUE OF BLADE THAT MAXIMIZES MOVING MASS RATIO AND FATIGUE TESTING METHOD USING SAME
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United States of America Patent
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app pub date -
Sep 30, 2015
filing date -
May 16, 2013
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Abandoned
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Abstract
The present invention relates to a resonance generating apparatus with maximized moving mass ratio for a blade's fatigue testing, which includes a light-weighted mounting portion provided in contact with an external surface of the blade, a plurality of actuators provided on an external side of the mounting portion, and a resonance generator configured to generate bending loads in association with displacement of rods of the actuators, and to reciprocate in parallel relationship with a moving direction of the actuator rod and simultaneously to prevent the resonance generator's motions in all directions except for a direction of testing, and a fatigue testing method using the same.
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