Siemens Aktiengesellschaft

Gerhard Dorr

Sebastian Weiss

Reiner Grillenberger

Ekkehard Ressel

Jürgen Hofmann

Christian Deeg

Konrad Brandl

Thomas Koch

Eric Joseph

Uwe Scharf

Michael Stegherr

Ulrich Werner

Benjamin Eichinger

Martin Sindelka

Mathias Scherer

Wolfgang Johann Greul

The invention relates to an electrical machine () comprising a rotor () which is rotatably mounted around a rotation axis () extending in the axial direction () in bearing devices (), a stator () having two axial ends, an air gap between rotor and stator, an interior chamber () encompassing the stator () and rotor (), a sleeve () encompassing a first part () which encloses the interior chamber (), a frame () having a first () and a second () longitudinal support (), a first () and a second () cross-support, and a dividing device () on the frame (). The stator () comprises a fastening device () for connection to the frame () and the dividing device () can make the interior chamber accessible from the outside in a plane parallel to the frame (). The invention further relates to a collection, to a frame (), to a sleeve (), or to a service or production method of such an electrical machine ().

Electrical machine having a frame and sleeve

The invention relates to a motor unit () comprising a motor (), a heat exchanger () and an inverter () for the motor (). In order to provide a compact, low-cost motor unit it is proposed that the heat exchanger () is embodied for cooling both the motor () and the inverter ().

Motor unit

Growing community of inventors

Allersberg, Germany

Gerhard Dorr