Methods and apparatus for operating steam turbines

Details Methods and apparatus for operating steam turbines Methods and apparatus for operating steam turbines

2006-07-20

2009-10-13

Lee, Kevin L (Department: 3753)

Fluid handling

Processes

Cleaning, repairing, or assembling

C137S314000, C137S240000

Reexamination Certificate

active

07600526

ABSTRACT:
A drain purge system for a casing is provided. The purge system includes a purge chamber. The purge chamber is defined by a purge chamber bulkhead. The purge chamber is further defined by a purge chamber drain portion including a drain aperture. The purge chamber bulkhead is coupled to an exterior surface of the casing. The exterior surface includes a drain orifice therethrough. The purge chamber bulkhead circumscribes the drain orifice. The purge system further includes a purge fluid source in flow communication with the purge chamber. The purge fluid source is configured to supply the purge chamber with a flow of purge fluid.

REFERENCES:
patent: 179863 (1876-07-01), Moritz
patent: 4893467 (1990-01-01), Woodson
patent: 4969324 (1990-11-01), Woodson
patent: 5540045 (1996-07-01), Corbett et al.
patent: 6098645 (2000-08-01), Brackelmann et al.
patent: 6907892 (2005-06-01), Sugano
patent: 7489253 (2009-02-01), Murphy

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