Sealing of steam turbine nozzle hook leakages using a...

Rotary kinetic fluid motors or pumps – Working fluid passage or distributing means associated with... – Vane or deflector

Reexamination Certificate

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C415S209300, C415S213100

Reexamination Certificate

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06939106

ABSTRACT:
A steam turbine includes a stator supporting a plurality of turbine nozzles. The stator has shaped grooves for receiving a complementary-shaped nozzle hook formed on an end of each of the turbine nozzles. A rope seal is disposed in each interface between the nozzle hooks and the shaped grooves, respectively. The rope seal serves to seal a leakage path that may exist over the nozzle hooks between the nozzles and respective stator grooves.

REFERENCES:
patent: 3394919 (1968-07-01), Catterfeld
patent: 4022545 (1977-05-01), Shank
patent: 4725200 (1988-02-01), Welhoelter
patent: 5129783 (1992-07-01), Hayton
patent: 5358262 (1994-10-01), Roberts
patent: 5605438 (1997-02-01), Burdgick et al.
patent: 5630700 (1997-05-01), Olsen et al.
patent: 6039325 (2000-03-01), Steinetz et al.
patent: 6126389 (2000-10-01), Burdgick
patent: 6164656 (2000-12-01), Frost
patent: 6190120 (2001-02-01), Thatcher et al.
patent: 6331096 (2001-12-01), Burdgick et al.
patent: 6343911 (2002-02-01), Burdgick
patent: 6375415 (2002-04-01), Burdgick
patent: 6375429 (2002-04-01), Halila et al.
patent: 6386825 (2002-05-01), Burdgick
patent: 6390769 (2002-05-01), Burdgick et al.
patent: 6398489 (2002-06-01), Burdgick et al.
patent: 6402466 (2002-06-01), Burdgick et al.
patent: 6413040 (2002-07-01), Yu et al.
patent: 6418618 (2002-07-01), Burdgick
patent: 6419445 (2002-07-01), Burdgick
patent: 6422810 (2002-07-01), Burdgick et al.
patent: 6435814 (2002-08-01), Yu et al.
patent: 6446979 (2002-09-01), Steinetz et al.
patent: 6453557 (2002-09-01), Burdgick
patent: 6464453 (2002-10-01), Toborg et al.
patent: 6464456 (2002-10-01), Darolia et al.

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