Claims
- 1. A closed cycle energy conversion system comprising:
- a dual fluid compressor,
- a dual fluid expander,
- said compressor and said expander being coupled to a shaft energy converter,
- a heat transfer regenerator,
- a heat acquisition apparatus,
- a heat rejection apparatus,
- a working gas,
- said gas circulating sequentially through said compressor, said regenerator, said heat acquisition apparatus, said expander, said regenerator and said heat rejection apparatus, all in a closed loop, by means of induced pressure differentials,
- a heat circulating liquid,
- a first pump for circulating a portion of said liquid through said compressor and said heat rejection apparatus,
- a second pump for circulating a portion of said liquid through said heat acquisition apparatus and said expander,
- said expander utilizing thermodynamically available heat energy to drive said compressor and said shaft energy converter.
- 2. A closed cycle energy conversion system comprising:
- a pre-cooler,
- a rotary dual fluid compressor,
- a gas to gas heat transfer regenerator,
- a superheater,
- a rotary dual fluid expander,
- a shaft energy converter,
- means for coupling said converter, said compressor, and said expander,
- a first fluid,
- means for thermodynamically circulating said first fluid sequentially through said pre-cooler, said compressor, said regenerator, high pressure side of said superheater, said expander doing shaft work, and the low pressure side of said regenerator in a closed loop,
- a second heat adding fluid,
- a third heat removing fluid,
- a heat acquisition device,
- a heat rejection device, and
- a first pump means for circulating said second fluid through said heat acquisition device and then through said superheater and said expander in a closed loop,
- a second pump means for circulating a third fluid through said pre-cooler, said compressor, and said heat rejection device.
- 3. A dual fluid regenerative energy conversion system comprising:
- a rotary gas compressor having multiple heat exchange surfaces within rotor compression cavities,
- a rotary gas expander having multiple heat exchange surfaces within rotor expansion cavities for generating a motive force to do shaft work,
- said expander being coupled to said compressor for rotation thereof,
- an energy conversion device mechanically coupled to said compressor and said expander,
- a gas to gas heat transfer recuperator,
- a gas superheater,
- a gas pre-cooler,
- a source of heat acquisition,
- a sink for heat rejection,
- a gaseous first fluid comprising the active working conversion element,
- a liquid second fluid comprising the heat transferring element,
- means for transmitting said first fluid in a closed loop sequentially from said pre-cooler to said compressor, the high pressure side of said recuperator, said superheater, said expander, the low pressure side of said recuperator and to said pre-cooler, and
- means for utilizing said second fluid as a heat transfer agent for removing heat from said pre-cooler and said compressor cavities and transferring it to said sink, and separately adding heat from said source to said superheater and to said expander cavities.
- 4. An energy conversion system comprising:
- a substantially isothermal gas expander,
- a substantially isothermal gas compressor,
- a generator mechanically coupled to said compressor and said expander,
- a superheater,
- a pre-cooler,
- a source for heat acquisition by a first liquid,
- a source for heat rejection by a second liquid,
- a first means for transmitting the heat of said source absorbed by said first liquid through said superheater,
- a second means for transmitting the heated first liquid through the interior working area of said expander,
- a third means for transmitting a cooled second liquid through said pre-cooler,
- a fourth means for transmitting said cooled second liquid from said pre-cooler through the interior working area of said compressor,
- a fifth means for transmitting heated gas under pressure from said superheater through said expander,
- said expander generating motive force therefrom for driving said generator and said compressor,
- a sixth means for transmitting the gas exhausted from said expander through said pre-cooler and into said compressor wherein said cooled gas is compressed, and
- a seventh means for transmitting the pressurized gas from said compressor to and through said superheater and to said expander all in a closed cycle.
- 5. The energy conversion system set forth in claim 1 in further combination with:
- a regenerator heat exchanger,
- said regenerator receiving and transmitting sensible heat from said sixth means to said seventh means.
- 6. The energy conversion system set forth in claim 1 wherein:
- said second and third means transmitting heating and cooling liquid in sufficient quantities to maintain nearly isothermal gradients of the gases during their expansion and compression.
- 7. The energy conversion system set forth in claim 3 wherein:
- substantially isothermal pressure differentials of energy conversion are entirely contained within the rotor impelled centrifugally disposed second fluid of the individual heat acquisition and heat rejection liquids.
Parent Case Info
This application is a division of U.S. Pat. Application, Ser. No. 731,009, filed October 8, 1976 and entitled POSITIVE DISPLACEMENT GAS EXPANSION ENGINE WITH LOW TEMPERATURE DIFFERENTIAL.
US Referenced Citations (4)
Foreign Referenced Citations (1)
Number |
Date |
Country |
313595 |
Dec 1933 |
ITX |
Divisions (1)
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Number |
Date |
Country |
Parent |
731009 |
Oct 1976 |
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