Bolted gas turbine combustor transition coupling
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United States of America Patent
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-
Sep 12, 2000
Grant Date -
N/A
app pub date -
Jan 2, 1998
filing date -
Jan 2, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A coupling apparatus for connecting a combustor to a transition in a gas turbine is provided. The coupling apparatus comprises a transition cylinder attached to the discharge end of the combustor, a cylinder flange formed on the downstream end of the transition cylinder, a transition having an upstream end on which a transition flange is formed, and a plurality of nut and bolt combinations circumferentially spaced about the periphery of the flanges for maintaining the transition cylinder in tight engagement with the transition when the cylinder flange mates with the transition flange. In a preferred embodiment, the cylinder flange further comprises a spigot lip and the transition flange further comprises a recess for receiving the spigot lip so as to effect a tight spigot fit when the cylinder flange mates with the transition flange.
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