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ROTARY HEAT ENGINE

  • US 20090139227A1
  • Filed: 09/05/2006
  • Published: 06/04/2009
  • Est. Priority Date: 09/06/2005
  • Status: Active Grant
First Claim
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1. A rotary heat engine comprising a cylinder, a rotor rotatably received within the cylinder, and a fluid flow path for circulating a working fluid through the cylinder;

  • wherein said cylinder includes a first section for receiving external heat to gasify said working fluid on one side, and a second section for discharging heat to liquefy the gasified working fluid on the other side, said first section and said second section including, respectively, an inlet channel and an outlet channel for supplying gasified working fluid to the cylinder and recovering liquefied working fluid from the cylinder; and

    wherein said circulating path including a working liquid reservoir section connecting said inlet and outlet channels in fluid flow communication, said reservoir section including a flow restricting dam for preventing backflow of the working fluid toward said outlet channel.

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