发明名称 |
A CATCHER RING ARRANGEMENT |
摘要 |
This invention relates to a blade assembly comprising: a hub which is rotatable about an axis; at least one blade having an aerofoil portion and a root, wherein the root is coupled to the hub using a primary retention device which prevents radial separation of the root and hub in normal use; and, a secondary retention device which comprises an annular catcher having a restriction through which the root portion cannot radially pass, the restriction being located radially outwardly and radially spaced from the root part during use. |
申请公布号 |
CA2818666(A1) |
申请公布日期 |
2013.12.22 |
申请号 |
CA20132818666 |
申请日期 |
2013.06.12 |
申请人 |
ROLLS-ROYCE PLC |
发明人 |
MACKIE, KENNETH JOHN;UDALL, KENNETH FRANKLIN |
分类号 |
B64C11/06;B64C27/48;F01D5/30 |
主分类号 |
B64C11/06 |
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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