Rotary kinetic fluid motors or pumps – Including means for handling portion separated from working... – Moisture or liquid separated from gaseous working fluid...
Patent
1988-12-30
1990-08-14
Garrett, Robert E.
Rotary kinetic fluid motors or pumps
Including means for handling portion separated from working...
Moisture or liquid separated from gaseous working fluid...
4151691, 4151681, F01D 2532
Patent
active
049483358
ABSTRACT:
An apparatus and method for improving moisture extraction from a steam turbine incorporates a collection slot adjacent a last rotating stage of the turbine with the collection slot being vented outside the turbine by bores through the turbine wall. Moisture removal is enhanced by the use of pumps connected to each of the bores for suctioning water from the collection slot. The pumps may be ejectors powered by subcooled water to minimize flashing potential. The suctioned moisture is returned to the system after passing to a condenser.
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patent: 3058720 (1962-10-01), Hart et al.
patent: 3104964 (1963-09-01), Craft
patent: 3289408 (1966-12-01), Silvestri
patent: 3675423 (1972-07-01), Vidal et al.
patent: 3690786 (1972-09-01), Silvestri
patent: 3706510 (1972-12-01), O'Connor
patent: 3803846 (1974-04-01), Letvin
patent: 4019467 (1977-04-01), Binstock
Garrett Robert E.
Nguyen Hoang
Westinghouse Electric Corp.
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