Turbomachinery blade retention system

Details Turbomachinery blade retention system Turbomachinery blade retention system

2005-04-26

2005-04-26

Trieu, Thai-Ba (Department: 3748)

Rotary kinetic fluid motors or pumps

Bearing, seal, or liner between runner portion and static part

Between axial flow runner and vane or vane diaphragm structure

C416S22000A, C416S221000

Reexamination Certificate

active

06884028

ABSTRACT:
A blade retention assembly is provided that comprises: a disk, a plurality of blades, each having a dovetail disposed in one of an array of slots formed in the outer periphery of the disk, an annular inner retainer attached to the disk, and a plurality of arcuate blade retainers, the blade retainers being secured to the inner retainer by a hooked rabbet joint. A blade retainer is also provided, comprising an arcuate body having a planar inner face having an arcuate depression formed therein defining a sealing lip, and an aft face disposed opposite the inner face which has an arcuate rim formed therein.

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