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Battery cooling system

  • US 6,949,309 B2
  • Filed: 08/20/2002
  • Issued: 09/27/2005
  • Est. Priority Date: 03/05/1998
  • Status: Expired due to Fees
First Claim
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1. A charger and battery pack combination, comprising:

  • a battery pack comprising a housing having top, bottom and side walls, a terminal tower disposed on the top wall, an air inlet disposed on at least one of the terminal tower and the top wall, and an air outlet for allowing air to exit from the housing, a plurality of cells disposed in the housing, and a charger comprising;

    a charger housing for supporting the battery pack, the charger housing having a first duct opposite of the air inlet of the battery pack;

    charging circuitry provided within the charger housing; and

    a fan disposed within the charger housing for blowing air through the first duct and into the battery pack via the air inlet, and for blowing air through a second duct directing cooling air to the charging circuitry.

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