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Cooling system for a battery pack

  • US 6,569,556 B2
  • Filed: 01/29/2001
  • Issued: 05/27/2003
  • Est. Priority Date: 01/29/2001
  • Status: Expired due to Term
First Claim
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1. A battery pack comprising:

  • at least two stacked batteries, each battery including a plurality of cells having vertical cooling air channels therebetween;

    a base supporting said plurality of batteries;

    a retention frame overlying and affixed to each of said batteries and to said base to restrict movement of said batteries;

    a plurality of spacers disposed above and below each layer of batteries for holding said batteries and providing air passages above and below said batteries to direct air flow across top and bottom surfaces of said batteries and through said cooling air channels between the cells;

    an inlet to said pack for admitting air into said pack;

    an outlet from said pack for exhausting the air from said pack after it has passed through said stack of batteries;

    a front manifold connected to said inlet and including a plurality of separate runners for evenly splitting the air between the spacers below each layer of batteries; and

    a back manifold for directing the air from the spacers above each layer of batteries toward the outlet of said pack.

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