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HEAT RECOVERY SYSTEM AND METHOD

  • US 20120285167A1
  • Filed: 07/24/2012
  • Published: 11/15/2012
  • Est. Priority Date: 11/15/2006
  • Status: Active Grant
First Claim
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1. An exhaust gas waste heat recovery heat exchanger comprising:

  • a housing having a first working fluid inlet, a second working fluid inlet, a first working fluid outlet, a second working fluid outlet for dispensing a superheated vapor, an exhaust inlet, an exhaust outlet, a preheater, and a superheater;

    an exhaust flow path extending between the exhaust inlet and the exhaust outlet through the preheater and the superheater;

    a working fluid flow path extending through the housing between the first working fluid inlet and the second working fluid outlet, the working fluid flow path including,a first portion that extends through the preheater from the first working fluid inlet to the first working fluid outlet, a flow of working fluid along the first portion of the working fluid flow path through the preheater receiving heat from the flow of exhaust traveling along the exhaust flow path, anda second portion that extends through the superheater from the second working fluid inlet to the second working fluid outlet and spaced apart from the working fluid inlet, the flow of working fluid along the second portion of the working fluid flow path through the superheater receiving heat from the flow of exhaust traveling along the exhaust flow path.

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