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1. 发明授权

US06860722B2 Snap on blade shim 有权
标题翻译：抓住刀片垫片
公开(公告)号：US06860722B2
公开(公告)日：2005-03-01
申请号：US10356238
申请日：2003-01-31
申请人： James Michael Forrester , Emily Anne Clausing , Robert Russell Grant , John Gregory Cargill , Craig William Higgins
发明人： James Michael Forrester , Emily Anne Clausing , Robert Russell Grant , John Gregory Cargill , Craig William Higgins
IPC分类号： F01D5/30
CPC分类号： F01D5/3092 , F05D2250/00
摘要： A gas turbine engine blade root shim includes a dovetail shim portion with a dovetail shape and a longitudinally extending substantially flat base and distal first and second longitudinally spaced apart forward and aft ends. Transversely spaced apart first and second walls extend upwardly from the base which includes at least two longitudinally extending elongated base apertures. Each of the base apertures includes a main region and longitudinally spaced apart rounded end regions. Dog-bone-shaped base apertures or rounded end base apertures having semi-circular rounded end regions may be used. The shim is designed for a blade dovetail root with a root slot formed in a bottom of the dovetail root. The dovetail shim portion with the dovetail shape substantially conforms to at least a portion of a cross-sectional dovetail shape of the dovetail root through the root slot. The base is disposed within the root slot.
摘要翻译：燃气涡轮发动机叶片根垫片包括具有燕尾形状的燕尾垫片部分和纵向延伸的基本上平坦的基部和远端的第一和第二纵向间隔开的前后端部。横向间隔开的第一和第二壁从基部向上延伸，其包括至少两个纵向延伸的细长基部孔。每个基座孔包括主区域和纵向间隔开的圆形端部区域。可以使用具有半圆形圆形端部区域的狗骨形基部孔或圆形端部基部孔。垫片设计用于具有形成在燕尾根底部的根槽的叶片燕尾根。具有燕尾形状的燕尾形垫片部分基本上符合燕尾根的横截面燕尾形状的至少一部分，通过根槽。基部设置在根槽内。

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