Joint structure of coolant passage, tube seal, and gas turbine
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United States of America Patent
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Aug 3, 2004
Grant Date -
Mar 13, 2003
app pub date -
Sep 9, 2002
filing date -
Sep 10, 2001
priority date (Note) -
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Abstract
A tube seal is fitted with a spherical spring, being an elastic member, at one end of a tubular barrel. The end where the spring is fitted to the tubular barrel is inserted into a steam supply pipe outlet, which is a coolant passage provided in a rotor disk. The other end of the barrel is formed into a spherical shape, and this end is inserted into a steam supply port in a dynamic blade, being another coolant passage port, and abuts against the internal surface of the steam supply port.
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