发明授权
- 专利标题: Turbine blades having alternating resonant frequencies
- 专利标题(中): 具有交变谐振频率的涡轮叶片
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申请号: US196691申请日: 1988-05-20
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公开(公告)号: US4878810A公开(公告)日: 1989-11-07
- 发明人: David H. Evans
- 申请人: David H. Evans
- 申请人地址: PA Pittsburgh
- 专利权人: Westinghouse Electric Corp.
- 当前专利权人: Westinghouse Electric Corp.
- 当前专利权人地址: PA Pittsburgh
- 主分类号: F01D5/16
- IPC分类号: F01D5/16 ; F01D5/20
摘要:
Within a rotor blade row of a steam turbine, rotor blades having one resonant frequency alternate with rotor blades having a second, different resonant frequency. The two different resonant frequencies are achieved by profiling the tips of every other rotor blade.
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