发明名称 |
Lightweight platform blade |
摘要 |
A rotor blade for a gas turbine engine includes an airfoil, platform and dovetail. The platform has top and bottom surfaces, with a plurality of pockets disposed in the bottom surface for reducing weight of the platform, with the pockets defining a plurality of continuous beams extending along the platform which provide structural stiffness to the platform to avoid resonance vibration thereof during operation.
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申请公布号 |
US5271718(A) |
申请公布日期 |
1993.12.21 |
申请号 |
US19920928557 |
申请日期 |
1992.08.11 |
申请人 |
GENERAL ELECTRIC COMPANY |
发明人 |
MITCHELL, JR., ROBERT K.;BAILEY, MARK J. |
分类号 |
F01D5/22;(IPC1-7):F01D5/32 |
主分类号 |
F01D5/22 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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