Invention Application
- Patent Title: BUFFER AIRFLOW TO BEARING COMPARTMENT
- Patent Title (中): 缓冲空气流向轴承座
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Application No.: PCT/US2013/031864Application Date: 2013-03-15
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Publication No.: WO2014051691A1Publication Date: 2014-04-03
- Inventor: SONOKAWA, Masayoshi , WITLICKI, Russell B. , LARSON, Christopher J. , STUTZ, Robert C. , MUNDELL, Eric Charles , MULDOON, Marc J.
- Applicant: UNITED TECHNOLOGIES CORPORATION
- Applicant Address: One Financial Plaza Hartford, Connecticut 06101 US
- Assignee: UNITED TECHNOLOGIES CORPORATION
- Current Assignee: UNITED TECHNOLOGIES CORPORATION
- Current Assignee Address: One Financial Plaza Hartford, Connecticut 06101 US
- Agency: BUTCHKO, Karin H.
- Priority: US61/706,246 20120927
- Main IPC: F02K3/00
- IPC: F02K3/00 ; F02C7/00 ; F02C7/12 ; F02C7/06 ; F02K99/00
Abstract:
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.
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