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    • 10. 发明授权
    • Heat engines with cascade cycles
    • 具有级联循环的热力发动机
    • US08869531B2
    • 2014-10-28
    • US13305596
    • 2011-11-28
    • Timothy James Held
    • Timothy James Held
    • F01K25/08F01K7/34F01K25/10F01K3/18
    • F01K25/103F01K3/185F24D2200/16F24H2240/12F24H2240/127
    • Systems and methods for recovering energy from waste heat are provided. The system includes a waste heat exchanger coupled to a source of waste heat to heat a first flow of a working fluid. The system also includes a first expansion device that receives the first flow from the waste heat exchanger and expands it to rotate a shaft. The system further includes a first recuperator coupled to the first expansion device and to receive the first flow therefrom and to transfer heat from the first flow to a second flow of the working fluid. The system also includes a second expansion device that receives the second flow from the first recuperator, and a second recuperator fluidly coupled to the second expansion device to receive the second flow therefrom and transfer heat from the second flow to a combined flow of the first and second flows.
    • 提供了从废热中回收能量的系统和方法。 该系统包括耦合到废热源的废热交换器以加热工作流体的第一流。 该系统还包括第一膨胀装置,其接收来自废热交换器的第一流并将其膨胀以使轴旋转。 该系统还包括耦合到第一膨胀装置并且接收来自第一膨胀装置的第一流并将热量从第一流转移到第二工作流体流的第一换热器。 该系统还包括接收来自第一换热器的第二流量的第二膨胀装置和与第二膨胀装置流体耦合以接收来自第二流量的第二流量的第二换热器,并将热量从第二流传递到第一和 第二流。