Axial and circumferential seal for stacked rotor and/or...

Details Axial and circumferential seal for stacked rotor and/or... Axial and circumferential seal for stacked rotor and/or...

2005-11-11

2008-08-05

Look, Edward (Department: 3745)

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Plural rigidly related blade sets

C415S174100, C416S24400R

Reexamination Certificate

active

07407370

ABSTRACT:
Disclosed herein is a rotor assembly for a steam turbine including a stacked rotor section having rotor plates. The rotor plates include a main body portion having a plate shape and a first axial face and a second axial face opposite to the first axial face. The rotor plates also include an airfoil base surface at an outer radial edge of the main body portion. The rotor plates further include buckets which extend radially outward from the airfoil base surface. And the rotor plates yet further include a seal disposed to prevent steam exposure to the first and second axial faces.

REFERENCES:
patent: 2637521 (1953-05-01), Constantine et al.
patent: 4208165 (1980-06-01), Wikstrom
patent: 5318404 (1994-06-01), Carreno et al.

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