# US 9,882,367 B2 · Device for conducting electrical direct current

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- Number: US 9,882,367 B2
- Document ID: US9882367B2
- Status: Granted
- Kind: B2
- Application number: 15/314,403
- Filed: 2015-04-27
- Published: 2017-08-10
- Granted: 2018-01-30
- Earliest claimed: 2014-05-28
- Assignees: Siemens Aktiengesellschaft
- Applicants: Siemens Aktiengesellschaft
- Inventors: Haakon Torgersen
- Web page: https://patentgrep.com/patent/US9882367B2

## CPC

- H02G 5/02: Open installations
- H01B 1/02: mainly consisting of metals or alloys
- H02G 5/00: Installations of bus-bars
- H02G 5/005: {Laminated bus-bars}
- H02G: INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H01B: CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES (selection for magnetic properties H01F1/00; waveguides H01P {; printed circuits H05K})

## Abstract

A device for conducting electrical direct current, wherein the device includes at least one bus bar and at least one electrically conducting edge element that is connected to the bus bar in an electrically conducting manner and has a lower electrical conductivity than the bus bar, where the edge element is arranged on a lateral outer face of the bus bar and extends along the bus bar.

## Claims

### Claim 1

A device for conducting electrical direct current, comprising:
at least one bus bar; and
at least one electrically conducting edge element having an electrically conducting bond to the bus bar and having a lower electrical conductivity than the bus bar, said at least one electrically conducting edge element being arranged on a lateral external surface of the bus bar and extending along the at least one bus bar such that an outer edge of the at least one electrically conducting edge element aligns with an outer edge of the at least one bus bar;
wherein at least two edge elements are arranged on the at least one bus bar on lateral external surfaces of said at least one bus bar which lie opposite each other.

### Claim 2 (depends on 1)

The device as claimed in claim 1, wherein a plurality of bus bars are arranged alongside each other in a stack-like manner.

### Claim 3 (depends on 2)

The device as claimed in claim 2, wherein at least one edge element which extends across the plurality of bus bars arranged alongside each other in the stack-like manner; wherein said least one edge element is arranged on lateral external surfaces of the plurality of bus bars and is bonded to each of the plurality of bus bars in an electrically conducting manner.

### Claim 4 (depends on 1)

The device as claimed in claim 1, wherein the at least one bus bar is made of one of copper and aluminum.

### Claim 5 (depends on 1)

The device as claimed in claim 1, wherein the at least one edge element is made of one of iron or a steel.

### Claim 6 (depends on 5)

The device as claimed in claim 5, wherein the at least one edge element is made of stainless steel.

### Claim 7 (depends on 1)

The device as claimed in claim 1, wherein the at least one bus bar has one of a strip and plate-shaped construction.

### Claim 8 (depends on 1)

The device of claim 1, wherein the device limits electrical short-circuit currents in an electrical circuit arrangement; and wherein the at least one bus bar of the device is electrically bonded to one pole of an electrical direct current source.

### Claim 9

A device for conducting electrical direct current, comprising:
at least one bus bar; and
at least one electrically conducting edge element having an electrically conducting bond to the bus bar and having a lower electrical conductivity than the bus bar, said at least one electrically conducting edge element being arranged on a lateral external surface of the bus bar and extending along the at least one bus bar;
wherein at least two edge elements are arranged on the at least one bus bar on lateral external surfaces of said at least one bus bar which lie opposite each other;
wherein at least one edge element which extends across the plurality of bus bars arranged alongside each other in the stack-like manner, said at least one edge element being arranged on lateral external surfaces of the plurality of bus bars and being bonded to each of the plurality of bus bars in an electrically conducting manner.