Invention Grant
- Patent Title: Method for determining the oscillation parameters of turbo-machine blades and a device for putting the same into practice
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Application No.: US14754563Application Date: 2015-06-29
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Publication No.: US09810090B2Publication Date: 2017-11-07
- Inventor: Danilin Aleksandr Ivanovich , CHernyavskij Arkadij Zhorzhevich , Danilin Sergej Aleksandrovich , Gretskov Andrej Aleksandrovich
- Applicant: Samara State Aerospace University
- Applicant Address: RU Samara
- Assignee: SAMARA STATE AEROSPACE UNIVERSITY
- Current Assignee: SAMARA STATE AEROSPACE UNIVERSITY
- Current Assignee Address: RU Samara
- Agency: Pequignot + Myers LLC
- Agent Matthew A. Pequignot
- Priority: RU2015103552 20150203
- Main IPC: H01L21/00
- IPC: H01L21/00 ; H01L29/10 ; F01D21/00 ; H01L51/42 ; H01L27/30 ; F01D17/02
Abstract:
Method for determining oscillation parameters of turbo-machine blades consists in that when the blade tip travels in front of a sensor, reading values of a single pulsed signal formed by the sensor are obtained in a number that is not lower than that of unknown parameters of a harmonic or polyharmonic oscillation of the blade, the origin of a single pulsed signal readings obtained for each blade being synchronized with the blade tip position relative to the sensor according to a given level of the single pulsed signal; then the values of the harmonic or polyharmonic oscillation parameters of the blade are calculated with the use of the obtained values of the single pulsed signal reading origins and of the value of the turbo-machine shaft revolution period.
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