Ebm-papst Mulfingen Gmbh & Co Kg

Alex Schneider

Martin Bürkert

Sebastian Schroth

Fabian Schneider

Marco Weckert

Günter Haas

Malte Pils

Steffen Kammleiter

Christian Kranz

Steffen Hanselmann

Fabian Wagner

Oliver Bollgönn

A heat engine (), particularly a heat pump, has a first heat exchanger (), a compressor (), a second heat exchanger (), and a throttle device () connected by a refrigerant line (), through which a refrigerant flows, and electronics () with power electronics for supplying power to and/or control electronics for controlling the heat engine (). A heat transfer mechanism () absorb at least thermal energy emitted by the electronics () and transfer it to the refrigerant and/or, insofar as one exists, to a system medium flowing through the first or second heat exchanger.

Heat engine

A system () has a control device () with central electronics () designed for connection and operation of differently coded electric motors (En), with different motor characteristics (Mn) and/or power classes (Ln), to a device connection () of the control device (). The at least one electric motor (En) is selectable from a number (n) of electric motor (En), that can be connected as intended, has a coding element (Kn). The central electronics () have a coding capture device () to recognize, via coding element (n), the motor characteristics (Mn) and/or the power class (Ln) of the respective currently connected electric motor (En).

System comprising component coding

The disclosure relates to a circuit assembly () for intermediate circuit balancing of an intermediate circuit voltage UZK of a DC intermediate circuit fed by an alternating mains voltage UN for supplying a voltage to one or more devices, the circuit having a voltage divider (SP) configurable in terms of the voltage divider ratio and including a plurality of electric two-terminal devices (R, R, . . . , R) by which the intermediate circuit voltage UZK is divided into voltage portions at each two-terminal device, the circuit having at least one first intermediate circuit capacitor (C) chargeable to a first portion UZK,of the intermediate circuit voltage UZK, and the circuit having at least one second intermediate circuit capacitor (C) chargeable to a second portion UZK,of the intermediate circuit voltage UZK.

Circuit assembly for intermediate circuit balancing

The disclosure relates to control electronics in a modular design, comprising an electronic base module and a plurality of functional modules, wherein: the base module provides at least one DC link voltage UZK at a voltage supply output for the voltage supply of the functional modules and the functional modules are electrically and mechanically connected to the base module and are supplied with the DC link voltage UZK by the base module; the base module and the functional modules each have a carrier having electronic components, the electronic components of the base module producing the DC link voltage UZK, at least one functional module being fastened to the carrier of the base module; and the electronic components of the base module and of the functional modules are arranged separate from one another by means of a thermal decoupling and/or an EMC shield.

Control electronics in modular design

The disclosure relates to the operation and a circuit arrangement for a network connection variable with regard to the input voltage (1-phase/3-phase), which is connected using a centre tap (M) between the capacitors (C) via a connecting line to a neutral conductor (N) of an input AC voltage source.

Device for efficient DC link processing independent of grid type

The invention relates to a method and to a circuit arrangement for limiting the starting current for intermediate voltage circuits that have at least one storage capacitor.

Growing community of inventors

Künzelsau, Germany

Alex Schneider