Sheet Metal Part or Sintered Part for a Stator or a Rotor of an Electrical Machine and Method for Producing Same
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United States of America Patent
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Jun 29, 2015
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Aug 7, 2014
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Abstract
A sheet-metal part or sintered part (10) for a stator or a rotor has a connection part (11) from which teeth (12) disposed at regular intervals project away. Each tooth has at least one first tooth segment (22) as well as at least one second tooth segment (23) produced from different magnetizable materials (M1, M2). In this way, the materials (M1, M2) can be used in targeted manner with regard to their magnetic and/or mechanical properties, in the region of the tooth (12), to optimize the magnetic and/or mechanical behavior of the tooth (12) and consequently of the sheet-metal part or sintered part (10). In particular, at least one first tooth segment (22) has a saturation magnetization BS1 greater than that of the remainder of the sheet-metal part or sintered part (10).
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