Patent ID: 8269381
Filing Date: 2012-09-18
Classification: H02K

Abstract:
1. A magnet apparatus of an electrical machine, comprising: a ferromagnetic base body having first and second sides in opposite relation and including continuous channels extending from the first side to the second side; and a plurality of first coolant line pieces extending through the channels and having a U-shaped configuration, each said first coolant line piece having free limb ends extending through two of the channels from the first side such that the limb ends project out of the second side of the base body; wherein two of the limb ends of the first coolant line pieces are respectively connected by a second coolant line piece which approximately forms a trapezoid with the second side of the base body, and wherein at least a further one of the second coolant line pieces extends between the second coolant line piece and the second side of the base body to connect limb ends of first coolant line pieces.