发明名称 |
AIRCRAFT PROPULSIVE POWER UNIT |
摘要 |
A thrust reversing arrangement for an aircraft turbofan propulsive power unit includes a flow redirecting structure which has reverse flow enhancing sub-structures comprising: (i) a cavity which is so dimensioned as to generate a back pressure which supports redirection of flow; (ii) a cascade assembly which provides a flow control slot so dimensioned as to optimise reverse thrust for predetermined fan duct flow conditions; (iii) an obstructing duct wall portion having a leading edge so positioned as to form a leakage slot providing controlled leakage of forward flow; (iv) a box structure, the dimensions of which are such as to optimise back pressure in the cavity; and (v) provision for gaseous fluid under static pressure from the fan duct to load the redirecting structure to the inoperative position.
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申请公布号 |
CA2359239(A1) |
申请公布日期 |
2002.04.19 |
申请号 |
CA20012359239 |
申请日期 |
2001.10.18 |
申请人 |
SHORT BROTHERS PLC |
发明人 |
BENNETT, JOEL DAVID;CAMPBELL, HUGH KEITH;MCEVOY, FINBARR;BEATTIE, WILLIAM EDWIN;HATRICK, MICHAEL JOHN |
分类号 |
B64D33/04;F02K1/56;F02K1/72;F02K3/04;(IPC1-7):F02K1/32 |
主分类号 |
B64D33/04 |
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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