TURBINE TIP SHROUD REMOVAL FEATURE
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United States of America Patent
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Issued Date -
Jun 15, 2023
app pub date -
Dec 14, 2021
filing date -
Dec 14, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
A tip shroud, comprising a plurality of tip shoes encircling a rotor assembly, in a turbine may deform due to thermal gradients experienced during operation of the turbine. This can make it difficult to remove the tip shroud during disassembly of the turbine. In an embodiment, to facilitate consistent and reliable removal of the tip shroud during each disassembly of the turbine, one or more, including potentially all, of the tip shoes of a tip shroud may be provided with one or more radially protruding puller hooks. Each puller hook enables an axial force to be transferred by one or more tools to an axially inner surface of the puller hook, to thereby produce axial movement of the tip shoe out of the tip shroud.
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