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US5343619A Hollow blade for a turbomachine and method of manufacturing said blade 失效
用于涡轮机的空心叶片及其制造方法

Hollow blade for a turbomachine and method of manufacturing said blade
摘要:
A hollow blade for a turbomachine comprises a unitary body having a multiplicity of transverse cavities in at least the airfoil shaped portion of the blade, and plugs disposed within the cavities and restoring the surface continuity of the intrados and extrados faces of the aerofoil shaped portion, the plugs being rigidly secured to the unitary body, such as by welding.
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