An electric pump includes a stator assembly. The stator assembly includes a stator core and a winding. The winding includes a main body section, a first section, and a second section. The stator core includes a core tooth portion, a core yoke portion, and a core neck portion. A first reference plane is defined, which coincides with a center axis line of the core tooth portion in an axial direction thereof and a center axis line of the core neck portion in an axial direction thereof. In a cross section of the stator assembly along the first reference plane, an upper end of the main body section is level with an upper end of a main body portion of the core yoke portion, and a lower end of the main body section is level with a lower end of the main body portion of the core yoke portion.

An electric pump includes a stator assembly. The stator assembly includes a stator core and a winding. The winding includes a main body section, a first section, and a second section. The stator core includes a core tooth portion, a core yoke portion, and a core neck portion. A first reference plane is defined, which coincides with a center axis line of the core tooth portion in an axial direction thereof and a center axis line of the core neck portion in an axial direction thereof. In a cross section of the stator assembly along the first reference plane, an upper end of the main body section is level with an upper end of a main body portion of the core yoke portion, and a lower end of the main body section is level with a lower end of the main body portion of the core yoke portion.

The invention relates to a device for reducing harmful bearing voltages in an electrical machine (M) fed by a DC link voltage of a DC link, said electrical machine comprising a stator (3), which has windings (7) and is insulated from ground (GND), and a rotor (2) and a motor shaft, wherein furthermore a rotor-side bearing (LA.sub.R) and a stator-side bearing (LA.sub.S) are each insulated from the ground (GND) and the rotor (2) and the stator (3) are electrically connected to each other by means of a bypass capacitance (C.sub.Bypass) having a predefined capacitance.

The invention relates to a device for reducing harmful bearing voltages in an electrical machine (M) fed by a DC link voltage of a DC link, said electrical machine comprising a stator (3), which has windings (7) and is insulated from ground (GND), and a rotor (2) and a motor shaft, wherein furthermore a rotor-side bearing (LA.sub.R) and a stator-side bearing (LA.sub.S) are each insulated from the ground (GND) and the rotor (2) and the stator (3) are electrically connected to each other by means of a bypass capacitance (C.sub.Bypass) having a predefined capacitance.

A rotating electrical machine such that a power supply unit can be efficiently cooled, with no increase in size in an axial direction of the rotating electrical machine, is provided. A rotating electrical machine main body and a power supply unit are integrally fixed, and a refrigerant passage is provided on the rotating electrical machine main body side of a metal frame configuring the power supply unit. The refrigerant passage and a control part that controls power supplied to the rotating electrical machine main body are disposed in the same plane in an axial direction of the rotating electrical machine main body, and the refrigerant passage is disposed farther to a radial direction outer side of the rotating electrical machine main body than the control part.

A rotating electrical machine such that a power supply unit can be efficiently cooled, with no increase in size in an axial direction of the rotating electrical machine, is provided. A rotating electrical machine main body and a power supply unit are integrally fixed, and a refrigerant passage is provided on the rotating electrical machine main body side of a metal frame configuring the power supply unit. The refrigerant passage and a control part that controls power supplied to the rotating electrical machine main body are disposed in the same plane in an axial direction of the rotating electrical machine main body, and the refrigerant passage is disposed farther to a radial direction outer side of the rotating electrical machine main body than the control part.

An interference suppression module for an electrically commutated electric motor has the following components: a circuit carrier, an electronic circuit arrangement, which is arranged on the circuit carrier, an encapsulation, which surrounds the electronic circuit arrangement in a form-fitting and material-bonding manner, and at least one interface, which is provided for the purpose of electrical contact-connection of the electronic circuit arrangement to a control unit of the electrically commutated electric motor. The specification details an interference suppression module, a method for producing an interference suppression module, and a vehicle equipped with an interference suppression module.

An interference suppression module for an electrically commutated electric motor has the following components: a circuit carrier, an electronic circuit arrangement, which is arranged on the circuit carrier, an encapsulation, which surrounds the electronic circuit arrangement in a form-fitting and material-bonding manner, and at least one interface, which is provided for the purpose of electrical contact-connection of the electronic circuit arrangement to a control unit of the electrically commutated electric motor. The specification details an interference suppression module, a method for producing an interference suppression module, and a vehicle equipped with an interference suppression module.

An embodiment relates to a controller and a motor assembly comprising same, the controller comprising: a substrate; a controller housing disposed on the substrate; a CM filter unit disposed between the substrate and the controller housing; a DM filter unit disposed under the CM filter unit; a controller cover disposed between the substrate and the DM filter unit; a power module unit disposed between the substrate and the controller cover; and a connector unit coupled to the substrate, wherein the power module unit comprises a power module and a mold unit surrounding the power module. Accordingly, the heat generating problem of the power module unit can be resolved.

An EMC filter plug-in arrangement with an EMC filter to avoid or reduce electrical and/or electromagnetic interference caused by an electronic component, in particular an inverter of a refrigerant compressor. The EMC filter plug-in arrangement has an EMC filter, a plug-in housing formed for receiving the EMC filter and having electrical conductor contacts formed on the outside which are in electrical contact with the EMC filter, and a plug-in receptacle formed for arrangement with an electronic component into which the plug-in housing can be plugged in to provide electrical contact between the EMC filter and the electronic component.