Invention Grant
US09435212B2 Turbine airfoil with laterally extending snubber having internal cooling system
有权
具有横向延伸缓冲器的涡轮机翼具有内部冷却系统
- Patent Title: Turbine airfoil with laterally extending snubber having internal cooling system
- Patent Title (中): 具有横向延伸缓冲器的涡轮机翼具有内部冷却系统
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Application No.: US14074930Application Date: 2013-11-08
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Publication No.: US09435212B2Publication Date: 2016-09-06
- Inventor: Carmen Andrew Scribner , Stephen John Messmann , Jan H. Marsh
- Applicant: Siemens Energy, Inc.
- Applicant Address: US FL Orlando
- Assignee: Siemens Energy, Inc.
- Current Assignee: Siemens Energy, Inc.
- Current Assignee Address: US FL Orlando
- Main IPC: F01D5/18
- IPC: F01D5/18 ; F01D5/22 ; F01D5/30

Abstract:
A turbine airfoil usable in a turbine engine and having at least one snubber with a snubber cooling system positioned therein and in communication with an airfoil cooling system is disclosed. The snubber may extend from the outer housing of the airfoil toward an adjacent turbine airfoil positioned within a row of airfoils. The snubber cooling system may include an inner cooling channel separated from an outer cooling channel by an inner wall. The inner wall may include a plurality of impingement cooling orifices that direct impingement fluid against an outer wall defining the outer cooling channel. In one embodiment, the cooling fluids may be exhausted from the snubber, and in another embodiment, the cooling fluids may be returned to the airfoil cooling system. Flow guides may be positioned in the outer cooling channel, which may reduce cross-flow by the impingement orifices, thereby increasing effectiveness.
Public/Granted literature
- US20150132147A1 TURBINE AIRFOIL WITH LATERALLY EXTENDING SNUBBER HAVING INTERNAL COOLING SYSTEM Public/Granted day:2015-05-14
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