Regenative absorption engine apparatus and method

Details Regenative absorption engine apparatus and method Regenative absorption engine apparatus and method

1979-05-14

1981-10-20

Ostrager, Allen M.

Power plants

Motive fluid energized by externally applied heat

Power system involving change of state

60649, 159 13B, 202236, 261153, F01K 2506

Patent

active

042953359

ABSTRACT:
A regenative absorption engine apparatus and method, the apparatus including a closed cycle system having a first fluid and a second fluid, the first fluid having a relatively lower boiling point, the second fluid having a relatively higher boiling point and also a relatively high degree of absorptivity for the first fluid. The apparatus further includes a distillation column, a superheater, a mechanical expansion engine, an absorption column, and heat exchange apparatus. The distillation column is used to separate the first fluid from the second fluid with heat while the superheater increases the thermal energy of the first fluid prior to passing the first fluid through the mechanical expansion engine. The mechanical expansion engine converts thermal energy in the first fluid to mechanical energy. The backpressure in the first fluid on the downstream side of the mechanical expansion engine is lowered by absorbing the first fluid with the second fluid in the absorption column. Additional economies can also be realized by using the second fluid from the distillation column to superheat the first fluid.

REFERENCES:
patent: 337371 (1886-03-01), Campbell
patent: 427398 (1890-05-01), Campbell
patent: 3505810 (1970-04-01), Mamiya
patent: 4183218 (1980-01-01), Eberly, Jr.

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