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公开(公告)号：US20240058904A1
公开(公告)日：2024-02-22
申请号：US18500223
申请日：2023-11-02
发明人： Jerry H. Griffin , Drew M. Feiner , Blair E. Echols , Michael J. Cushman , Alex J. Kowalski , Daniel J. Ryan
CPC分类号： B23P6/002 , B24B1/00 , F01D5/10 , F05D2230/72 , F05D2230/80 , F05D2260/83
摘要： A method and apparatus for maintaining integrally bladed rotors (IBR) includes using first vibration data from a IBR vibration apparatus of a first IBR to determine a set of values for a corresponding set of inherent vibratory properties based on a reduced order model for an IBR type to which the first IBR belongs. Shape data indicating an initial shape of a surface of a first blade is used, with repair data that indicates a candidate repair to form a restored shape, to determine a change in a value of an inherent blade section vibratory property of the set of inherent vibratory properties. A condition of the first IBR is determined based at least in part on the change in the value of the inherent blade section vibratory property. The first IBR is maintained based on the condition.
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公开(公告)号：US11865655B2
公开(公告)日：2024-01-09
申请号：US17753047
申请日：2021-01-20
发明人： Jerry H. Griffin , Drew M. Feiner , Blair E. Echols , Michael J. Cushman , Alex J. Kowalski , Daniel J. Ryan
CPC分类号： B23P6/002 , B24B1/00 , F01D5/10 , F05D2230/72 , F05D2230/80 , F05D2260/83
摘要： A method and apparatus for maintaining integrally bladed rotors (IBR) includes using first vibration data from a IBR vibration apparatus of a first IBR to determine a set of values for a corresponding set of inherent vibratory properties based on a reduced order model for an IBR type to which the first IBR belongs. Shape data indicating an initial shape of a surface of a first blade is used, with repair data that indicates a candidate repair to form a restored shape, to determine a change in a value of an inherent blade section vibratory property of the set of inherent vibratory properties. A condition of the first IBR is determined based at least in part on the change in the value of the inherent blade section vibratory property. The first IBR is maintained based on the condition.
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