Throttling means for geothermal streams

Details Throttling means for geothermal streams Throttling means for geothermal streams

1975-01-17

1976-08-31

Husar, C. J.

Rotary expansible chamber devices

Interengaging rotating members

Helical or herringbone

60641, F01C 116, F01C 2112, F03G 704

Patent

active

039778185

ABSTRACT:
A helical screw expander for deriving energy from geothermally heated water. The expander includes a pair of helical rotors with helical structures fitted in an expansion chamber. The geothermally heated water is introduced into said chamber through a throttle port located at an end face of the expansion chamber, whereby precipitation which occurs as a consequence of reduction of pressure and temperature is formed in the expansion chamber where the helical rotors dispose of it. The throttle is preferably adjustable, and also preferably forms a substantially isentropic converging nozzle which discharges fluid at the helical structures.

REFERENCES:
patent: 3108739 (1963-10-01), Nilsson et al.
patent: 3108740 (1963-10-01), Schibbye
patent: 3151806 (1964-10-01), Whitfield
patent: 3307453 (1967-03-01), Wilsson
patent: 3656876 (1972-04-01), Kocher

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