Converting heat into useful energy using separate closed loops

Details Converting heat into useful energy using separate closed loops Converting heat into useful energy using separate closed loops

1996-02-09

1998-10-20

Kamen, Noah P.

Power plants

Motive fluid energized by externally applied heat

Process of power production or system operation

606412, 60655, 60673, F01K 2506

Patent

active

058229906

ABSTRACT:
Converting heat in a primary fluid (e.g., steam) to useful energy by multistage expansion of the primary fluid, heating of a multicomponent working fluid in a separate closed loop using heat of the primary fluid, and expansion of the multicomponent working fluid. The primary fluid in a vapor state is expanded in a first stage expander to obtain useful energy and to produce a partially expanded primary fluid. The partially expanded primary fluid stream is then separated into liquid and vapor components and split into a vapor stream (which is expanded in a second stage expander) and a further primary stream (which used to heat the multicomponent working fluid).

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