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1. 发明公开

EP2662531A4 STEAM TURBINE STATOR BLADE AND STEAM TURBINE 有权转让
标题翻译： DAMPFTURBINEN-STATORSCHAUFEL UND DAMPFTURBINE
公开(公告)号：EP2662531A4
公开(公告)日：2014-08-06
申请号：EP11851599
申请日：2011-12-06
申请人： MITSUBISHI HEAVY IND LTD
发明人： YAMASHITA HIROYUKI , OYAMA HIROHARU , MARUYAMA TAKASHI , YAMAMOTO YUKI , DANNO SHOHEI
IPC分类号： F01D9/02 , F01D5/16 , F01D9/04 , F01D25/04 , F01D25/06
CPC分类号： F01D25/00 , F01D5/16 , F01D9/041 , F01D25/06 , F05D2300/501
摘要： The present invention comprises blade members (17, 18) within which a space (14) is formed, and a leaf spring member (19) disposed in the space (14) of the blade members (17, 18) and elastically contacting inner surfaces (21, 22) of the blade members (17, 18). The leaf spring member (19) includes a positioning portion (27), an elastic contact portion (28), and a coupling portion (29). The elastic contact portion (28) includes a plurality of divided portions disposed along a longitudinal direction of the blade members (17, 18). As a result, according to the invention, the elastic contact portion (28) can elastically contact the inner surfaces (21, 22) of the blade members (17, 18) across substantially the entire surfaces of the inner surfaces (21, 22) without partial contact. Thus, the area of elastic contact between the elastic contact portion (28) and the inner surfaces (21, 22) of the blade members (17, 18) is increased, enabling a reliable suppression of flattering in a stator blade.
摘要翻译：本发明包括其中形成有空间（14）的叶片构件（17,18）和设置在叶片构件（17,18）的空间（14）中并且弹性接触内表面的板簧构件（19）（21,18）的叶片（21,22）。板簧构件（19）包括定位部分（27），弹性接触部分（28）和联接部分（29）。弹性接触部分（28）包括沿叶片构件（17,18）的纵向设置的多个分开部分。结果，根据本发明，弹性接触部分28可以在内表面（21,22）的基本上整个表面上弹性地接触叶片构件（17,18）的内表面（21,22）没有部分接触。因此，弹性接触部分（28）和叶片构件（17,18）的内表面（21,22）之间的弹性接触面积增加，从而可以可靠地抑制定子叶片的平坦化。

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