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BATTERY PACK FOR DRIVING ELECTRIC VEHICLE

  • US 20140246259A1
  • Filed: 10/04/2012
  • Published: 09/04/2014
  • Est. Priority Date: 10/07/2011
  • Status: Abandoned Application
First Claim
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1. An electric vehicle driving battery pack mounted to an underside of a vehicle body floor, wherein multiple cells are accommodated in a easing, wherein the casing includes an upper case and a lower case, and wherein:

  • at least the lower case of the casing is made of metal by die casting;

    at least one end wall of a front end wall and a rear end wall of the lower case facing in a vehicle travel direction is formed integrally with a plurality of cooling fins plate-shaped ribs;

    each rib projects from the one end wall in the vehicle travel direction, and extends in a vertical direction, and includes an upper end connected integrally with a flange of a periphery of the lower case, and includes a lower end reaching a bottom wall of the lower case.

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