Closed Rankine-cycle power plant utilizing organic working fluid

Details Closed Rankine-cycle power plant utilizing organic working fluid Closed Rankine-cycle power plant utilizing organic working fluid

1982-06-18

1984-07-10

Ostrager, Allen M.

Power plants

Motive fluid energized by externally applied heat

Having condition responsive control

60664, 60677, 4151996, F01K 706

Patent

active

044584938

ABSTRACT:
A closed Rankine-cycle power plant (10) has a boiler (24) for vaporizing an organic working fluid and a first nozzle box (58) for receiving vaporized working fluid from the boiler (24) and for furnishing the fluid to a set of axial flow turbine blades (30) located on the periphery of a turbine rotor (50). The vaporized working fluid from the nozzle box (58) expands on passing through the blades (30) producing work that drives a generator (34) coupled to the turbine (28). A second nozzle box (62) receives vaporized working fluid that exits from the axial flow blades (30) on the rotor (50) and applies the working fluid to a second set of radial flow blades (66) on the rotor (50) adjacent the second nozzle box (62). Working fluid from the boiler (24) is applied directly to the first nozzle box (58), and in a selective, controlled manner, through a proportioning valve (26), working fluid from the boiler (24) is applied to the second nozzle box (62) thereby providing an efficient way to vary the work output of the turbine (28).

REFERENCES:
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patent: 1488582 (1924-04-01), Allen
patent: 1526792 (1925-02-01), Kasley
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patent: 2184661 (1939-12-01), Bentley
patent: 3046901 (1962-07-01), Montgomery
patent: 3048018 (1962-08-01), Nicolin
patent: 3143103 (1964-08-01), Zuhn
patent: 3306044 (1967-02-01), Michel et al.
patent: 3369175 (1968-02-01), Carter

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