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Rotary vane engine and thermodynamic cycle

  • US 7,314,035 B2
  • Filed: 09/09/2003
  • Issued: 01/01/2008
  • Est. Priority Date: 09/09/2002
  • Status: Expired due to Fees
First Claim
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1. A method of operating a heat engine having a sliding vane rotary vane compressor and a sliding vane rotary vane turbine, comprising:

  • the sequential steps of;

    a first step of intaking a fluid in an intake phase into a working chamber of the rotary vane compressor at ambient pressure;

    a second step of compressing the fluid in a compression phase in the working chamber by rotating a rotor of the rotary vane compressor up to 360°

    of rotation;

    a third step of mixing the compressed fluid with a fuel and igniting the mixture in an initial combustion phase in a combustion chamber external to both the rotary vane compressor and the rotary vane turbine to carry out a limited temperature constant volume combustion process;

    a fourth step of subjecting the combustion products from the third step to a constant pressure combustion process in a final combustion phase followed by a power expansion phase in an expansion chamber of the rotary vane turbine by rotating a rotor of the rotary vane turbine up to 360°

    so that the pressure of the combustion products within the turbine expansion chamber reaches ambient pressure or near ambient pressure when the turbine expansion chamber volume reaches its maximum; and

    a fifth step of exhausting the combustion products in an exhaust phase from the expansion chamber.

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