Seal plate and bucket retention pin assembly
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United States of America Patent
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Jun 11, 2013
Grant Date -
Jul 21, 2011
app pub date -
Jan 19, 2010
filing date -
Jan 19, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A disk for a machine rotor includes a disk body having an outer periphery formed with a plurality of axially-oriented slots; a plurality of buckets, each bucket having an airfoil portion and an attachment portion, the attachment portion loaded axially into a respective one of the plurality of axially-oriented slots. A plurality of arcuate seal plate segments arranged about the outer periphery of the disk body, each covering at least two of the plurality of axially-oriented slots and respective attachment portions of the plurality of buckets. A retention pin extends axially through each of the plurality of arcuate seal plate segments and into an axially oriented bore in the disk body. The retention pin has an inner end engageable with a locking key and adapted to move the locking key into a locking position which prevents axial movement of a pair of adjacent ones of the plurality of buckets.
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