Invention Grant
- Patent Title: Shroud cooling system for shrouds adjacent to airfoils within gas turbine engines
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Application No.: US15327466Application Date: 2014-08-22
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Publication No.: US09963996B2Publication Date: 2018-05-08
- Inventor: Darryl Eng , Christopher Rawlings , Thomas Pechette , Friedrich T. Rogers , Jae Y. Um , Ching-Pang Lee
- Applicant: Siemens Aktiengesellschaft
- Applicant Address: DE München
- Assignee: SIEMENS AKTIENGESELLSCHAFT
- Current Assignee: SIEMENS AKTIENGESELLSCHAFT
- Current Assignee Address: DE München
- International Application: PCT/US2014/052275 WO 20140822
- International Announcement: WO2016/028310 WO 20160225
- Main IPC: F01D25/12
- IPC: F01D25/12 ; F01D9/04 ; F01D11/08

Abstract:
A shroud cooling system configured to cool a shroud adjacent to an airfoil within a gas turbine engine is disclosed. The turbine engine shroud may be formed from shroud segments that include a plurality of cooling air supply channels extending through a forward shroud support for impingement of cooling air onto an outer radial surface of the shroud segment with respect to the inner turbine section of the turbine engine. The channels may extend at various angles to increase cooling efficiency. The backside surface may also include various cooling enhancement components configured to assist in directing, dispersing, concentrating, or distributing cooling air impinged thereon from the channels to provide enhanced cooling at the backside surface. The shroud cooling system may be used to slow down the thermal response by isolating a turbine vane carrier from the cooling fluids while still providing efficient cooling to the shroud.
Public/Granted literature
- US20170183978A1 SHROUD COOLING SYSTEM FOR SHROUDS ADJACENT TO AIRFOILS WITHIN GAS TURBINE ENGINES Public/Granted day:2017-06-29
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