Turbine nozzle retention key

Details Turbine nozzle retention key Turbine nozzle retention key

2005-04-11

2008-08-12

Look, Edward (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Blade received by continuous circumferential channel

C416S20400A, C415S190000

Reexamination Certificate

active

07410345

ABSTRACT:
A retaining key for a turbine nozzle includes a key body having top and bottom surfaces, a pair of sides and a pair of ends including a forward end having a pair of horizontal shoulders on opposite sides of a center rib, the shoulders located substantially midway between the top and bottom surfaces such that the forward end has a substantially inverted T-shaped profile, and a rearward end having a first surface portion extending from and substantially perpendicular to the top surface and a second surface portion extending at an acute angle downwardly and toward the forward end and intersecting the bottom surface.

REFERENCES:
patent: 6279420 (2001-08-01), Knorowski et al.
patent: 6722848 (2004-04-01), Couture et al.

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