Robert Boschgmbh

Sebastian Tabarelli

Patrick Heuser

Mercedes Herranz Gracia

Johannes Riedl

Arndt Kelleter

Miguel Ruiz De Larramendi

Marcus Alexander

Nils Gebert

Mickael Kremer

An electrical machine () for driving a vehicle comprises: a stator () having stator grooves () running axially and running uniformly around an axis of the electrical machine (), through which grooves a stator winding () runs; and a rotor () with axially running poles (), which rotor is mounted inside the stator () for rotation around the axis of the electrical machine (), wherein two pole magnets () with rectangular cross-section are arranged in each pole () of the rotor () in an axially running pole opening () forming a V in respect of one another. The electrical machine () is optimized with respect to a plurality of geometrical parameters which have been optimized by optimization of optimization parameters which are determined from the geometric parameters.

Optimized electrical machine

A rotor () for an electric machine, in particular a permanently excited synchronous machine. At least one recess () is formed on the outer wall () of the receiving space () and forms a non-magnetizable space () adjacent to the lengthwise surface () of the permanent magnet (). Due to this non-magnetizable space (), iron losses in the stator teeth can be reduced in particular during operation of the electric machine in the field weakening range, which may result in a rise in efficacy of up to 3% for the electric machine.

Rotor for an electric machine comprising recesses in magnet pockets

Growing community of inventors

Herrenberg, Germany

Sebastian Tabarelli