Patent ID: 8110959
Filing Date: 2012-02-07
Classification: H02K,Y10T

Abstract:
1. A method far producing an electrical machine comprising a body of soft magnetic material, said method comprising the steps of: arranging at least one winding around at least a portion of the body of soft magnetic material such that a cavity is formed between the at least one winding and said portion of the body of soft magnetic material around which portion the winding is arranged, positioning the body of soft magnetic material and the at least one winding in a cavity of a mold, and injecting a composite of soft magnetic powder and a thermoplastic into the cavity of the mold and into the cavity between the at least one winding and said portion of the body of soft magnetic material around which portion the winding is arranged in order to form a magnetic flux cross section enlarging element that increases the cross sectional area of the magnetic flux path of the body of soft magnetic material.