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Supercritical cycle heat engine

  • US 3,237,403 A
  • Filed: 03/19/1963
  • Issued: 03/01/1966
  • Est. Priority Date: 03/19/1963
  • Status: Expired due to Term
First Claim
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1. A HEAT ENGINE COMPRISING A CIRCULATING SYSTEM CONTAINING A WORKING FLUID, THE SYSTEM INCLUDING:

  • PRESSURIZING MEANS TO RAISE THE PRESSURE OF SAID FLUID IN LIQUID PHASE FROM A LOW CYCLE PRESSURE TO A HIGH PRESSURE;

    MEANS TO ADD HEAT TO SAID FLUID SUBSTANTIALLY AT SAID HIGH CYCLE PRESSURE TO RAISE IT TO ITS HIGH CYCLE TEMPERATURE SUBSTANTIALLY ABOVE ITS CRITICAL TEMPERATURE;

    MEANS TO EXPAND SAID FLUID THROUGH AN ENERGY CONVERTER TO DO USEFUL WORK;

    AND MEANS TO COOL SAID FLUID SUBSTANTIALLY BELOW ITS CRITICAL PRESSURE TO A TEMPERATURE SUBSTANTIALLY BELOW ITS CRITICAL TEMPERATURE TO RENDER IT COMPLETELY LIQUID FOR ENTRAINMENT BY SAID PRESSURIZING MEANS;

    THE LOW CYCLE PRESSURE IN SAID SYSTEM BEING SUBSTANTIALLY ABOVE THE CRITICAL PRESSURE OF SAID FLUID.

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