公开(公告)号：US5139389A

公开(公告)日：1992-08-18

申请号：US590979

申请日：1990-10-01

申请人： Jesse Eng ,  Ronald L. Sigworth

发明人： Jesse Eng ,  Ronald L. Sigworth

IPC分类号： F01D5/30 ,  F01D11/00

CPC分类号： F01D5/3007 ,  F01D11/006 ,  F05C2203/00

摘要： A seal is provided for preventing passage of working medium gases between the roots of the rotor blades of a gas turbine engine and the rotor thereof. The seal comprises a compressed laminar exfoliated graphite piece placed in the cavity between the root of the rotor blade and the receiving slot in the rotor disk, which piece expands upon heating to seal said cavity.

摘要翻译： 设置有用于防止工作介质气体在燃气涡轮发动机的转子叶片的根部与其转子之间通过的密封件。 密封件包括压缩的层状剥离石墨片，其放置在转子叶片的根部和转子盘中的接收槽之间的空腔中，该片段在加热时膨胀以密封所述腔体。