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RELAY UNIT

  • US 20190318892A1
  • Filed: 12/05/2017
  • Published: 10/17/2019
  • Est. Priority Date: 12/05/2016
  • Status: Active Grant
First Claim
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1. A relay unit housed in a battery case, the relay unit comprising:

  • a first bus bar;

    a relay that is electrically connected to the first bus bar; and

    a device cover that covers the first bus bar and the relay, whereinthe device cover includes an upper member which has a box shape with an upper end closed and with an opening formed at a lower end, and a lower member which is combined with the upper member in a manner to close the opening of the upper member,the lower member is formed from a resin having a higher heat conductive property than the upper member,the first bus bar is connected to the lower member in a manner to allow transfer of heat, via a first inner heat conductive sheet placed between the first bus bar and the lower member, andthe first inner heat conductive sheet is an electrically insulating resin sheet having a lower surface hardness than the lower member.

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