Fluid reaction surfaces (i.e. – impellers) – Specific working member mount – Blade received by continuous circumferential channel
Reexamination Certificate
2007-08-28
2007-08-28
Kershteyn, Igor (Department: 3745)
Fluid reaction surfaces (i.e., impellers)
Specific working member mount
Blade received by continuous circumferential channel
C416S22000A, C416S222000, C416S24100B
Reexamination Certificate
active
11088639
ABSTRACT:
A locking arrangement for a row of radial entry blades (62) of a turbo-machine. A closing blade (66) includes a root portion (74) having an axial attachment shape (78) for engagement with an axially oriented slot having an axial attachment shape (76) formed at the entering slot location (34) of the radial entry rotor disk (56). For applications utilizing blades with curved platform faces (112), a preceding blade (108) and a following blade (110) in the row are designed with one curved face for abutting adjacent radial entry blades and one flat face (120) for abutting the flat closing blade faces (116). The closing blade (84) may be designed with a root portion (88) having two legs (90,92) that are urged apart by a key (86) into tight contact with the adjacent blades.
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DiOrio Gennaro J.
Ewer Timothy
Golinkin Samuel
Lipski Michael J.
Loudon John S.
Kershteyn Igor
Siemens Demag Delaval Turbomachinery, Inc.
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