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Heat exchanger having several exchanging portions

  • US 5,992,514 A
  • Filed: 02/17/1998
  • Issued: 11/30/1999
  • Est. Priority Date: 11/13/1995
  • Status: Expired due to Term
First Claim
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1. A heat exchanger comprising:

  • a plurality of first tubes in which a first refrigerant flows;

    a corrugated first cooling fin in which a plurality of folded portions is formed continuously, said corrugated first cooling fin being disposed between adjacent first tubes;

    a plurality of second tubes in which a second refrigerant flows, said second tubes being disposed in parallel with said first tubes;

    a corrugated second cooling fin in which a plurality of folded portions is formed continuously, said corrugated second cooling fin being disposed between adjacent second tubes;

    a plurality of connecting portions for connecting a side end portion facing the adjacent second cooling fin of said first cooling fin and a side end portion facing the adjacent first cooling fin of said second cooling fin;

    a plurality of clearances disposed between said corrugated first cooling fin and said corrugated second cooling fin, said plurality of clearances being formed by said plurality of connecting portions;

    wherein at least two of said folded portions of said first and second cooling fins are formed between adjacent connecting portions.

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