Dynamic characteristic measurement device of centrifugal rotation machine, and centrifugal rotation machine
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United States of America Patent
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May 8, 2018
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Nov 13, 2013
filing date -
Nov 19, 2012
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Abstract
A dynamic characteristic measurement device of the present invention includes magnetic force generators (1a, 1b, 2a, 2b) that are arranged on the back side of impellers (4, 5), the magnetic force, an oscillation controller (12) that drives these magnetic force generators, and vibration sensors (13, 14) that detect vibration of a rotation shaft (3). The dynamic characteristic measurement device further includes an arithmetic device (16) that calculates a dynamic characteristic of a rotor (6) by implementing a frequency analysis and a mode analysis based on an oscillation signal from the oscillation controller (12) and a vibration signal from the vibration sensors (13, 14).
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