Turbine wheel including a turbine disk, turbine blades, and seal plates
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United States of America Patent
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Dec 26, 2017
Issued Date -
N/A
app pub date -
Mar 12, 2015
filing date -
Mar 14, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
In a turbine wheel, each of seal plates is formed from an elastic plate member whose radially intermediate portion is curved projecting toward one axial end surfaces of turbine blades and a turbine disk. The seal plate includes: an assembly recessed portion recessed in a direction getting closer to the one axial end surfaces, near a radially outer end of the plate; and a disassembly protrusion projecting in a direction getting away from the one axial end surfaces, near a radially inner end of the plate. When the recessed portion is pressed for attaching the plate, a tip end of the recessed portion comes into contact with the one axial end surface of each turbine blade or the disk. The plate is accordingly inhibited from being excessively deformed. Thus, the plate is blocked from being plastically deformed, and is precluded from coming off the wheel.
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