发明名称 |
Split ring for gas turbine casing |
摘要 |
A split ring is disposed on an inner wall of a gas turbine casing. The split ring is composed of a plurality of split segments that are arranged on the inner wall of the casing in circumferential direction. A predetermined clearance is formed between the inner face of a split segment and the rotor blade tips. The split segments are arranged so that a predetermined circumferential clearance is formed between the split segments in order to allow the thermal expansion of the segments. A circumferential end face located upstream side of the segments with respect to the direction of the rotor blade rotation is connected to the inner face by a transition face having a surface formed as an inclined plane. The inclined plane prevents the swirl flow caused by the rotating rotor blade from impinging the upstream end face and, thereby, suppresses a temperature rise of the split segment at the upstream end face.
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申请公布号 |
US6533542(B2) |
申请公布日期 |
2003.03.18 |
申请号 |
US20020043201 |
申请日期 |
2002.01.14 |
申请人 |
MITSUBISHI HEAVY INDUSTRIES, LTD. |
发明人 |
SUGISHITA HIDEAKI;ARIMURA HISATO;TOMITA YASUOKI |
分类号 |
F01D5/14;F01D9/04;F01D11/08;F01D25/24;(IPC1-7):F01D11/08 |
主分类号 |
F01D5/14 |
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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