发明申请
- 专利标题: BUFFER AIRFLOW TO BEARING COMPARTMENT
- 专利标题(中): 缓冲空气流向轴承座
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申请号: PCT/US2013/031864申请日: 2013-03-15
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公开(公告)号: WO2014051691A1公开(公告)日: 2014-04-03
- 发明人: SONOKAWA, Masayoshi , WITLICKI, Russell B. , LARSON, Christopher J. , STUTZ, Robert C. , MUNDELL, Eric Charles , MULDOON, Marc J.
- 申请人: UNITED TECHNOLOGIES CORPORATION
- 申请人地址: One Financial Plaza Hartford, Connecticut 06101 US
- 专利权人: UNITED TECHNOLOGIES CORPORATION
- 当前专利权人: UNITED TECHNOLOGIES CORPORATION
- 当前专利权人地址: One Financial Plaza Hartford, Connecticut 06101 US
- 代理机构: BUTCHKO, Karin H.
- 优先权: US61/706,246 20120927
- 主分类号: F02K3/00
- IPC分类号: F02K3/00 ; F02C7/00 ; F02C7/12 ; F02C7/06 ; F02K99/00
摘要:
A seal support and duct assembly of a gas turbine engine includes a seal support housing disposed about a central axis, a duct housing attached to the seal support housing, the duct housing and the seal support housing defining the seal support and duct assembly, an outer annular cavity, an inlet that supplies the outer annular cavity with cooling buffer air, an inner annular cavity disposed radially inward of the outer annular cavity, a first plurality of outlets that provide the cooling buffer air from the outer annular cavity to the inner annular cavity, and a second plurality of outlets that provide the cooling buffer air from the inner annular cavity to an area surrounding a bearing compartment.