Rotary kinetic fluid motors or pumps – Working fluid passage or distributing means associated with... – Plural rigidly related blade sets
Reexamination Certificate
2007-09-18
2007-09-18
Look, Edward K. (Department: 3745)
Rotary kinetic fluid motors or pumps
Working fluid passage or distributing means associated with...
Plural rigidly related blade sets
C416S215000, C416S21200A
Reexamination Certificate
active
11209624
ABSTRACT:
The steampath for a steam turbine includes stacked stator rings each mounting inwardly directed nozzles and stacked rotor wheels each mounting outwardly directed buckets mounting blades. By alternately stacking the stator rings and rotor wheels, the nozzles and buckets of the various stages are interdigitated to form a steampath. Each bucket includes a blade and a root received in a generally complementary shaped groove on a wheel.
REFERENCES:
patent: 4086690 (1978-05-01), Bernasconi
patent: 4859149 (1989-08-01), McClain
patent: 5984633 (1999-11-01), Bachinger et al.
patent: 6152697 (2000-11-01), Konishi et al.
patent: 6438837 (2002-08-01), Berry et al.
Bracken Robert James
Fitts David Orus
Korzun Ronald Wayne
Murphy John Thomas
Simkins Jeffrey Robert
General Electric Company
Look Edward K.
Nixon & Vanderhye PC
White Dwayne J
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