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Heat exchanger

  • US 20020040776A1
  • Filed: 10/09/2001
  • Published: 04/11/2002
  • Est. Priority Date: 10/11/2000
  • Status: Active Grant
First Claim
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1. A heat exchanger comprising:

  • a plurality of first tubes in which a first fluid circulates;

    first fins for facilitating heat exchange, the first fins being arranged between the first tubes;

    a plurality of second tubes in which a second fluid circulates;

    second fins for facilitating heat exchange, the second fins being arranged between the second tubes;

    header tanks communicating with both the tubes, the header tanks being arranged at both longitudinal end sides of both the tubes;

    at least two pieces of separators for dividing a space in the header tank into a first space communicating with the first tubes and a second space communicating with the second tubes, the two pieces of separators composing a third space between the first space and the second space;

    at least two pieces of third tubes for connecting a portion corresponding to the third space of the header tank on one longitudinal end side of both the tubes with a portion corresponding to the third space of the header tank on the other longitudinal end side; and

    fin arranged between the third tubes, wherein the size of the first tubes and the second tubes is the same as that of the third tubes, and the size of the first fins and the second fins is the same as that of the fin arranged between the third tubes.

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