Recirculating medium turbine

Details Recirculating medium turbine Recirculating medium turbine

2005-11-29

2005-11-29

Nguyen, Hoang (Department: 3748)

Power plants

Motive fluid energized by externally applied heat

Power system involving change of state

C060S651000

Reexamination Certificate

active

06968691

ABSTRACT:
A turbine system including a turbine and a reservoir for working fluid and a turbine. the reservoir is closed so that the workng fluid is heatable up to the critical temperature of the working fluid. An exit pump pumps superheated working fluid from the reservoir onto the impellers in the turbine. An entry pump pumps working fluid from the turbine back to the reservoir. The reservoir is closed (gas tight) permitting heating the working fluid in the reservoir up to the crtical temperature and criical pressure of the working fluid. The exit and entry pumps are coupled together and arrnged such that the rate at which flid enters the reservoir equals the rate that the working fluid leaves the reservoir. By raising the working fluid to in the reservoir in the liquid stae, loss of energy of vaporization is substantially aboided. By maintaining equal rates of charrge and discharge of fluid into and out of the reservoir, loss of energy due to compresion is avoided.

REFERENCES:
patent: 4438638 (1984-03-01), Hays et al.
patent: 4760705 (1988-08-01), Yogev et al.
patent: 4788824 (1988-12-01), Spurr et al.

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