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Heat Exchanger

  • US 20120261099A1
  • Filed: 02/14/2012
  • Published: 10/18/2012
  • Est. Priority Date: 02/15/2011
  • Status: Active Grant
First Claim
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1. A heat exchanger comprising:

  • a stacked plate assembly having n stacked plates (where n is a natural number constant satisfying the relation 3≦

    n);

    on each of two mutually adjacent plates from among said n plates, hollow portions are formed between said two plates;

    among at least one first hollow portion, which is formed between a (2x−

    1)th plate and a (2x)th plate counting in a direction from one end to another end in the stacking direction of said n plates (where x is a natural number variable satisfying the relation 2x≦

    n), a closest first hollow portion to said one end in said stacking direction comprises a first opening that communicates with the exterior of said stacked plate assembly;

    among said at least one first hollow portion, a closest first hollow portion to said other end in said stacking direction comprises a second opening that communicates with the exterior of said stacked plate assembly;

    in the case that a number of said first hollow portions is two or more, a first bypass is provided that interconnects each of two mutually adjacent first hollow portions from among said two or more first hollow portions;

    among at least one second hollow portion, which is formed between a (2y)th plate and a (2y+1)th plate counting in a direction from said one end to said other end in the stacking direction of said n plates (where y is a natural number variable satisfying the relation 2y+1≦

    n), a closest second hollow portion to said one end in said stacking direction comprises a third opening that communicates with the exterior of said stacked plate assembly;

    among said at least one second hollow portion, a closest second hollow portion to said other end in said stacking direction comprises a fourth opening that communicates with the exterior of said stacked plate assembly;

    in the case that a number of said second hollow portions is two or more, a second bypass is provided that interconnects each of two mutually adjacent second hollow portions from among said two or more second hollow portions;

    said first hollow portion and said second hollow portion are separated mutually from each other, so that fluid does not flow between said first hollow portion and said second hollow portion;

    each of said at least one first bypass is arranged along an outer side surface of a second hollow portion that is positioned between two first hollow portions which are connected mutually by said first bypass in said stacking direction; and

    each of said at least one second bypass is arranged to penetrate through an inner side of a first hollow portion that is positioned between two second hollow portions which are connected mutually by said second bypass in said stacking direction.

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