Robert Boschgmbh

Martin Kessler

Erik Weissenborn

Peter Feuerstack

Andy Tiefenbach

Karl-Heinrich Preis

Volker Doege

Wolfgang Haas

Alexander Schmidt

Stefan Koch

Jochen Fassnacht

Bernd Streicher

Peter Sinn

Thomas Schwarz

Calin Purcarea

Thomas Proepper

Peter Buerk

Karlheinz Lunghard

Ingo Dwertmann

Gerd Wahr

Ulrich Frank

Henning Kreschel

Tankut Uzan

Andreas Hielscher

Mark-Florian Fellmann

Thomas Nierychlo

The invention relates to a conductor assembly (), in particular for use in electric vehicles or hybrid vehicles, comprising at least one planar first current-conducting component () having a first outer face () and a first inner face () facing away from the first outer face (), and comprising at least one planar second current-conducting component () having a second outer face () and a second inner face () facing away from the second outer face (), wherein the second current-conducting component () is arranged in such a way that the second inner face () of the second current-conducting component () is opposite the first inner face () of the first current-conducting component (). According to the invention, a first coating () is applied to the first inner face () of the current-conducting component (), wherein the material of the first coating () has a lower electrical conductivity than the material of the first current-conducting component () and/or that a second coating () is applied to the second inner face () of the second current-conducting component (), wherein the material of the second coating () has a lower electrical conductivity than the material of the second current-conducting component ().

Conductor assembly, in particular for use in electric vehicles or hybrid vehicles

The invention relates to a capacitor (), particularly an intermediate circuit capacitor for a multiphase system, with a first voltage layer () and a second voltage layer (), the first voltage layer () and the second voltage layer () forming an overlapping region () in which the first voltage layer () and the second voltage layer () are parallel to each other and arranged directly one above the other, at a distance from each other by means of a gap (), on a base side () of the capacitor (), with at least one capacitor structure () comprising at least one dielectric (), arranged on an upper side () of the first voltage layer (), facing away from the second voltage layer (), the first voltage layer () being in electroconductive contact with a first terminal () of the capacitor structure () and the second voltage layer () being in electroconductive contact with a second terminal () of the capacitor structure () by means of a contacting element (). According to the invention, the first voltage layer () has at least one recess () through which the contacting element () is guided.

Capacitor, particularly intermediate circuit capacitor for a multiphase system

The invention relates to a method () and to a device (ALE) for operating a switching element (LHS), said method comprising the following steps: a temperature (Tmp) of the switching element (LHS) is determined () and said switching element (LHS) is operated () in accordance with the determined temperature (TmP).

Method and device for operating a switching element

The invention relates to an arrangement comprising a first electrical component, which has a pair of flat, spaced-apart first connection lugs, a second electrical component, which has a pair of flat, spaced-apart second connection lugs, wherein the first and second connection lugs are in each case connected in pairs in an electrically conductive manner, and an electrically conductive plate which is electrically insulated from the first and second connection lugs and which is arranged below the first and second connection lugs in the plane of the surfaces of the first and second connection lugs.

Arrangement and method for contacting electrical components

A capacitor with a first voltage layer guided around the capacitor structure, so that the first voltage layer and the second planar electrode of the capacitor form an overlap region in which the first voltage layer and the second planar electrode are arranged, parallel to one another and separated from one another by a gap, on a base side of the capacitor directly one above the other, wherein the first voltage layer is arranged on an outer side of the second planar electrode, which outer side is averted from the capacitor structure).

Capacitor, in particular intermediate circuit capacitor for a multi-phase system

A capacitor () wherein the first voltage layer () and the second voltage layer () form an overlap region () in which the first voltage layer () and the second voltage layer () are arranged parallel to one another, separated by a gap (), on a base side () of the capacitor (), directly above one another, and wherein the at least one first pole terminal () extends in lateral continuation of the first voltage layer () and, in parallel with this, the at least one second pole terminal () extends in lateral continuation of the second voltage layer () over and beyond the overlap region (), and in this way form at least one contact lug pair () protruding from the base side () of the capacitor ().

Capacitor, in particular an intermediate circuit capacitor for a multi-phase system

The disclosure relates to a power transmission arrangement having an electromagnetic convertor unit, the input side of which can be coupled to an AC voltage source, a first DC voltage circuit, the input side of which is coupled to the electromagnetic converter unit and the output side of which can be coupled to a first electrical DC voltage sink, and which is designed to provide a first DC voltage on the output side, and a second DC voltage circuit, the input side of which is coupled to the electromagnetic converter unit and the output side of which can be coupled to a second electrical DC voltage sink, and which is designed to provide a second DC voltage on the output side, wherein one of the DC voltage circuits has a DC voltage converter for the purpose of adjusting its output-side DC voltage.

Power transmission arrangement

The invention relates to an attenuation circuit for an energy storage device having one or more energy storage modules which are connected in series in one or more energy supply lines and have at least one energy storage cell and a coupling device which has a multiplicity of coupling elements and is designed to selectively switch or bridge the energy storage cell in the respective energy supply line. The attenuation circuit comprises a current detection device which is designed to detect an output current of the energy supply lines or of the energy storage device and to generate an output current signal dependent on the output current, a control circuit which is coupled to the current detection device and is designed to control the output current signal to a desired current signal and to output a corresponding current control signal, and a pulse width modulation device which is coupled to the control circuit and is designed to control the coupling device of at least one of the energy storage modules in a clocked manner on the basis of the current control signal.

Attenuation circuit for an energy storage device and method for attenuating oscillations of the output current of an energy storage device

A system for charging at least one energy reservoir cell in a controllable energy reservoir for controlling/supplying electrical energy to an n-phase electrical machine. The controllable energy reservoir has n parallel energy supply branches each having at least two series connected energy reservoir modules, each encompassing at least one electrical reservoir cell having an associated controllable coupling unit. The energy supply branches are connectable to a reference bus and a respective phase of the machine. As a function of control signals, the coupling units interrupt the respective energy supply branch or bypass the cells or switch the associated cells into the respective energy supply branch. To enable charging of at least one cell, at least two phases of the machine are connectable via at least one respective freewheeling diode to a positive pole of a charging device, and the reference bus is connectable to a negative pole of the device.

Systems for charging an energy store, and method for operating the charging systems

Switchable energy storage device (), having: &#x2014;at least two energy storage modules () connected in series, wherein each energy storage module () comprises at least one electrical energy storage cell () which can be connected into an operating current circuit by means of a semiconductor switch (), characterized in that the energy storage device () has an electrically isolated, inductive coupling device () for charging the energy storage cells ().

Switchable energy storage device and method for operating a switchable energy storage device

The invention relates to an energy storage device for generating an n-phase supply voltage, wherein n&#x3e;1, comprising n energy supply branches connected in parallel, which are each coupled to a respective output connection of the energy storage device, wherein each of the energy supply branches has a plurality of energy storage modules connected in series. The energy supply branches each have a respective energy storage cell module, which has at least one energy storage cell, and a respective coupling device having first coupling elements, which are designed to selectively connect the energy storage cell module into the respective energy supply branch or bypass the energy storage cell module. At least one of the energy supply branches has at least one second coupling element, which is coupled between output connections of energy storage cell modules that are adjacent in the at least one energy supply branch and which is designed to connect the coupled energy storage cell modules into the respective energy supply branch in parallel with each other.

Energy storage device, system comprising an energy storage device, and method for actuating an energy storage device

The invention provides an electrical energy storage module (), comprising: at least one storage cell stack (), comprising: a plurality of energy storage cells (), which each have a cell housing () each having two pole connections (), wherein the energy storage cells () are arranged in series in the storage cell stack () in such a way that in each case a first pole connection () and a second pole connection () having different polarities of two adjacent energy storage cells () are galvanically connected to one another by means of flat cell connecting elements (), wherein the cell housings () of all of the energy storage cells () are galvanically connected to one another, wherein the first pole connection () of an energy storage cell () arranged at a first end of the storage cell stack () is galvanically connected to the cell housing (), and wherein the second pole connection () of an energy storage cell () arranged at a second end of the storage cell stack () and the cell housings () each have a flat return conductor ().

Electrical energy storage module and method for producing an electrical energy storage module

The invention relates to a method for charging energy storage cells of an energy storage device with a plurality of energy storage modules which are connected in series in an energy supply line, each energy storage module comprising an energy storage cell module which has at least one energy storage cell and comprising a coupling device with coupling elements. The coupling elements are designed to selectively connect the energy storage cell module in the energy supply line or to bridge the energy storage cell module. The method consists of the following steps: coupling the output connections of the energy storage device to a DC voltage source, controlling the coupling devices of all the energy storage modules in order to bridge the energy storage cell modules in the energy supply line for a first specified period of time, and controlling the coupling devices of at least one first energy storage module in order to connect the energy storage cell module of the first energy storage module in the energy supply line for a second specified period of time after the first specified period of time has elapsed.

Method for charging the energy storage cells of an energy storage device, and rechargeable energy storage device

The invention relates to an electrical energy storage module, comprising at least one storage cell stack () that has a plurality of groups of first planar parallel energy storage cells (), each having first electrode elements (), and a plurality of groups of second planar parallel energy storage cells () arranged planar parallel to the group of first energy storage cells (), said second groups each having second electrode elements (). The groups of first and second energy storage cells () are arranged alternately along a first direction of extension of the storage cell stack () and the first electrode elements () have a polarity on a side face of the storage cell stack () that is different from the second electrode elements () on the side face of the storage cell stack (). The energy storage module further comprises a plurality of flat contact elements () that are arranged on the side faces of the storage cell stack (), galvanically connect adjacent groups of first and second energy storage cells (), and contact substantially all first or second electrode elements () of the adjacent groups of first and second energy storage cells () across the width of the storage cell stack () in each case.

The invention relates to an energy storage device for generating an n-phase supply voltage for an electrical machine, where n&#x2267;1, or for an inverter, with n energy supply branches connected in parallel, each of which can be connected to one of n phase lines, each of the energy supply branches comprising a plurality of series-connected energy storage modules, each comprising: an energy storage cell module and a coupling device configured to selectively connect the energy storage cell module into the respective energy supply branch or to bypass said module, the energy storage cell modules of respective first energy storage modules of an energy supply branch each comprising at least one first energy storage cell, the energy storage cell modules of respective second energy storage modules of an energy supply branch each comprising at least one second energy storage cell, and the first energy storage cells having a lower internal resistance than the second energy storage cells below a predetermined temperature threshold.

Growing community of inventors

Schwaebisch Gmuend, Germany

Martin Kessler