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Title: Cooling air recycling for gas turbine transition duct end frame and related method

Patent ·
OSTI ID:874548

A method of cooling a transition duct end frame in a gas turbine includes the steps of a) directing cooling air into the end frame from a region external of the transition duct and the impingement cooling sleeve; and b) redirecting the cooling air from the end frame into the annulus between the transition duct and the impingement cooling sleeve.

Research Organization:
General Electric Co., Schenectady, NY (United States)
DOE Contract Number:
FC21-95MC31176
Assignee:
General Electric Company (Schenectady, NY)
Patent Number(s):
US 6412268
OSTI ID:
874548
Country of Publication:
United States
Language:
English

References (2)

Development Requirements for an Advanced Gas Turbine System journal October 1995
Advances in Steam Path Technology journal April 1996