Rotary kinetic fluid motors or pumps – With passage in blade – vane – shaft or rotary distributor...
Patent
1994-04-06
1995-03-21
Look, Edward K.
Rotary kinetic fluid motors or pumps
With passage in blade, vane, shaft or rotary distributor...
416 96R, 606412, 606413, F01D 518
Patent
active
053990676
ABSTRACT:
A nozzle for use in a geothermal steam turbine is adapted to prevent precipitation and adhesion of scale onto the surface of the nozzle. A coolant water passageway is provided in an initial stage nozzle of a geothermal steam turbine. An inlet side passageway of this coolant water passageway is communicated with coolant water inlet passageways provided in inner and outer turbine casings, respectively. Also, an outlet side passageway is communicated with coolant water outlet passageways. Due to this construction, coolant water is made to pass through the coolant water passageway within the nozzle from a coolant water feed source to lower the surface temperature of the nozzle, and thereby reevaporation and condensation of drain on the blade surface are prevented to prevent precipitation of scale.
REFERENCES:
patent: 2549819 (1951-04-01), Kane
patent: 2857133 (1958-10-01), Burke et al.
patent: 2977090 (1961-03-01), McCarty et al.
patent: 3756020 (1973-09-01), Moskowitz et al.
patent: 4183456 (1980-01-01), Schilling et al.
patent: 4441856 (1984-04-01), Tsujimura et al.
patent: 4492517 (1985-01-01), Klompas
Look Edward K.
Mitsubishi Jukogyo Kabushiki Kaisha
Verdier Christopher
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