Invention Grant
US09224997B2 Battery pack and handheld power tool having a battery pack 有权
具有电池组的电池组和手持式电动工具

  • Patent Title: Battery pack and handheld power tool having a battery pack
  • Patent Title (中): 具有电池组的电池组和手持式电动工具
  • Application No.: US13000680
    Application Date: 2009-05-08
  • Publication No.: US09224997B2
    Publication Date: 2015-12-29
  • Inventor: Alexander Osswald
  • Applicant: Alexander Osswald
  • Applicant Address: DE Stuttgart
  • Assignee: Robert Bosch GmbH
  • Current Assignee: Robert Bosch GmbH
  • Current Assignee Address: DE Stuttgart
  • Agency: Maginot, Moore & Beck LLP
  • Priority: DE102008002665 20080626
  • International Application: PCT/EP2009/055600 WO 20090508
  • International Announcement: WO2009/156223 WO 20091230
  • Main IPC: H01M2/12
  • IPC: H01M2/12 H01M2/10 H01M10/0525
Battery pack and handheld power tool having a battery pack
Abstract:
The invention relates to a battery pack comprising at least one battery cell and a housing for accommodating the at least one battery cell. It is proposed that the housing is designed as at least double-walled having at least one inner sheath and one outer sheath. According to the invention, an intermediate volume is enclosed between the at least one inner sheath and the outer sheath. The intermediate volume is able to absorb a pressure wave from an internal volume containing the battery cells.
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