Gas turbine engine
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United States of America Patent
Stats
-
Feb 20, 2001
Grant Date -
N/A
app pub date -
Mar 11, 1999
filing date -
Mar 11, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a gas turbine engine in which bearings (18, 30) of turbine (12) and compressor turbine (22) and exhaust duct (32) of compressor turbine (22) are attached to external annular wall (46) of heat exchanger (44). External annular wall (46) of heat exchanger (44) has heat insulation layer (48) on the inside surface. The engine has cooling device (94) for cooling external annular wall (46) of heat exchanger (44) on the side opposite to heat insulating layer (48).
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