Blade group with pinned root
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United States of America Patent
Stats
-
Nov 5, 2002
Grant Date -
N/A
app pub date -
Jan 26, 1998
filing date -
Dec 29, 1982
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A plurality of rotatable turbine blades are formed integral with a shroud and platform and a plurality of arcuate plate root portions which are received by circumferential grooves in a rotor and are fastened to the rotor by three pins extending axially through the root portions and the rotor, the shroud and platform portions having a protrusion on one corner to support the trailing edge of one of the blade portions and a notch in the shroud and the platform on the corner opposite the protrusion whereby the protrusions on one group of blades register with the notch on an adjacent group of blades when the groups of blades are disposed in a circular array on the rotor.
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