Power cycle and system for utilizing moderate temperature...

Details Power cycle and system for utilizing moderate temperature... Power cycle and system for utilizing moderate temperature...

2006-04-04

2006-04-04

Nguyen, Hoang (Department: 3748)

Power plants

Motive fluid energized by externally applied heat

Process of power production or system operation

C060S651000, C060S671000

Reexamination Certificate

active

07021060

ABSTRACT:
A new thermodynamic cycle is disclosed for converting energy from a moderate temperature stream, external source into useable energy using a working fluid comprising of a mixture of a low boiling component and a higher boiling component and including a higher pressure circuit and a lower pressure circuit. The cycle is designed to improve the efficiency of the energy extraction process by recirculating a portion of a liquid stream prior to further cooling. The new thermodynamic process and system for accomplishing the improved efficiency is especially well-suited for streams from moderate-temperature geothermal sources.

REFERENCES:
patent: 6058695 (2000-05-01), Ranasinghe et al.
patent: 6910334 (2005-06-01), Kalina
patent: 6923000 (2005-08-01), Kalina
patent: 6941757 (2005-09-01), Kalina

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