Method and apparatus to facilitate sealing within turbines

Details Method and apparatus to facilitate sealing within turbines Method and apparatus to facilitate sealing within turbines

2006-06-13

2006-06-13

Nguyen, Ninh H. (Department: 3745)

Rotary kinetic fluid motors or pumps

Method of operation

C415S173700, C415S174200, C415S173500, C415S174500, C415S173400

Reexamination Certificate

active

07059821

ABSTRACT:
A method to facilitate sealing between a rotary component and a stationary component is provided. The rotary component includes at least one bucket secured thereon, the bucket having a flow admission side and a flow exit side. The method includes coupling a spill strip in a gap defined between the rotary and stationary component, wherein the spill strip has a substantially flat contact surface, and coupling a cover to a radially outer tip of the bucket, wherein a protrusion extends from the bucket cover to contact the substantially flat contact surface of the spill strip.

REFERENCES:
patent: 953674 (1910-03-01), Westinghouse
patent: 1861960 (1932-06-01), Hanzlik
patent: 2336323 (1943-12-01), Warren
patent: 3501246 (1970-03-01), Hickey
patent: 3897169 (1975-07-01), Fowler
patent: 5133643 (1992-07-01), Ortolano
patent: 5261785 (1993-11-01), Williams
patent: 6454534 (2002-09-01), Burnett et al.

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