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Energy accumulator module

  • US 9,673,479 B2
  • Filed: 05/13/2014
  • Issued: 06/06/2017
  • Est. Priority Date: 09/30/2008
  • Status: Active Grant
First Claim
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1. An energy storage module comprising:

  • a plurality of flat cells arranged in a flat-cell stack;

    a plurality of resilient elements; and

    a plurality of pressure plates, each of the pressure plates comprising a plurality of attachment brackets, ones of the attachment brackets protruding from an edge of the pressure plate in a first direction and others of the attachment brackets protruding from an opposite edge of the pressure plate in a second direction opposite to the first direction, the pressure plates being arranged at opposing ends of the flat-cell stack and being connected to each other via the resilient elements respectively connected to the attachment brackets such that the pressure plates exert pressure on the flat-cell stack,wherein the ones of the attachment brackets protruding from the edge and the ones of the attachment brackets protruding from the opposite edge are alternately arranged at different heights along the pressure plate in a third direction, the third direction being perpendicular to the first and second directions.

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