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FAIL SAFE SERVICEABLE HIGH VOLTAGE BATTERY PACK

  • US 20110014501A1
  • Filed: 09/15/2010
  • Published: 01/20/2011
  • Est. Priority Date: 02/09/2006
  • Status: Active Grant
First Claim
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1. A fail safe battery pack, comprising:

  • a first housing and a second housing affixed together;

    a plurality of battery cells residing within said first and said second housings, said plurality of battery cells engaging said first and second housings, said plurality of battery cells are not movable with respect to said first and second housings;

    a first printed circuit board and a second printed circuit board;

    said first housing includes a first lattice structure of battery cell supports;

    said second housing includes a corresponding second lattice structure of battery cell supports;

    a variable bias device resides in said first lattice structure of said first housing and engages said first lattice structure;

    said first printed circuit board resides in said first lattice structure of said battery supports and engages said first variable bias device;

    said second printed circuit board resides in and engages said second lattice structure of said battery supports;

    a first plurality of fixed mechanically biased electrical contact devices affixed to said first printed circuit board, said first plurality of fixed bias contact devices interposed between said first printed circuit board and said plurality of battery cells;

    a second plurality of fixed mechanically biased electrical contact devices affixed to said second printed circuit board, said second plurality of fixed bias contact devices interposed between said second printed circuit board and said plurality of battery cells;

    said variable bias device urging said first plurality of fixed mechanically biased electrical contact devices affixed to said first printed circuit board into engagement with said plurality of battery cells;

    a third plurality of fixed mechanically biased devices operating between said first printed circuit board and said plurality of battery cells; and

    ,said third plurality of fixed mechanically biased devices disengaging said first plurality of said fixed bias contact devices from said plurality of battery cells when said variable bias device has a sufficiently small bias.

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