Bucket connection for a turbine runner
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United States of America Patent
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Nov 8, 2016
Grant Date -
Sep 11, 2014
app pub date -
Oct 3, 2012
filing date -
Oct 4, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A bucket connection for a turbine runner that includes a number of buckets encircling a centre disk. At least one bucket is pivotably or hingedly connected to the centre disk, and the position of the bucket relative to the centre disk under operation is set by an abutment between the bucket and a support, where the support is connected to or constitutes a part of the centre disk and where the abutment is constituted by a non-planar abutment surface on the support and an abutment surface on the bucket The bucket connection is provided with a buckling and is the abutment surface of the bucket is provided with a buckling adapted to fit into the buckling of the abutment surface of the support, whereby the abutment is adapted to accommodate forces acting both tangentially and radially of the bucket.
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