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Multi-phase busbar for conducting electric energy and method of manufacturing the same

  • US 10,790,643 B2
  • Filed: 06/18/2019
  • Issued: 09/29/2020
  • Est. Priority Date: 12/19/2016
  • Status: Active Grant
First Claim
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1. A multi-phase busbar for conducting electric energy, comprising:

  • an insulating base layer comprising an insulating material;

    a first conducting layer comprising a sheet metal which is arranged on and adhesively bonded to the base layer;

    a first connecting pin mounted to the first conducting layer which extends in a direction with respect to the first conducting layer;

    a first insulating layer arranged on and adhesively bonded to the first conducting layer;

    a second conducting layer comprising a sheet metal which is arranged on and adhesively bonded to the first insulating layer, the second conducting layer comprising a second connecting pin which extends in a direction parallel to the first connecting pin; and

    a second insulating layer arranged on and adhesively bonded to the second conducting layer;

    wherein the second conducting layer and the first and second insulating layer each comprise at least one pinhole through which the first connecting pin projects;

    wherein the first connecting pin is covered by a sleeve or cover of an insulating material which is arranged thereon and which projects from the first conducting layer through the pinholes formed in the second conducting layer and the insulating layers; and

    wherein at least one of the insulating layers includes a first insulating sub layer which is arranged on an upper side of a conducting layer and a second insulating sub layer which is arranged on a lower side of a conducting layer, the first insulating sub layer comprising a first pinhole having a diameter which is larger than the pinhole in the second conducting layer.

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