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Dual fluid cycle

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专利汇可以提供Dual fluid cycle专利检索,专利查询,专利分析的服务。并且Power is extracted from a stream of hot fluid, such as geothermal water, by passing the stream in heat exchange relationship with a working fluid to vaporize the latter, expanding the vapor through a turbine, and condensing the vapor in a conventional Rankine cycle. Additional power is obtained in a second Rankine cycle by employing a portion of the hot fluid after heat exchange with the working fluid to vaporize a second working fluid having a lower boiling point and higher vapor density than the first fluid. Isobutane and R-22 (CH C1 F2) may be employed as the first and second working fluids, respectively.,下面是Dual fluid cycle专利的具体信息内容。

  • 2. The method of claim 1 wherein said second power fluid has a higher vapor density than said first power fluid.
  • 3. The method of claim 1 wherein said hot fluid is water.
  • 4. The method of claim 2 wherein said first power fluid is isobutane.
  • 5. The method of claim 4 wherein said second power fluid is R-22.
  • 6. The method of claim 1 wherein said hot fluid is passed in heat exchange relationship with at least a third power fluid after said hot fluid has been passed in heat exchange relationship with said second power fluid to produce power in a vaporization and expansion cycle.
  • 7. The method of claim 1 wherein said cooling fluid is a stream of recycled cooling water.
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