CORE SHEET, ROTOR CORE, ROTOR, ELECTRIC MOTOR, AND HIGH-STRENGTH STEEL SHEET
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United States of America
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Issued Date -
Jan 30, 2025
app pub date -
Sep 22, 2022
filing date -
Sep 22, 2022
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Abstract
Disclosed is an example of a material that has excellent magnetization properties and low iron loss and is provided with high tensile strength. With a core sheet (2) that is composed of a silicon steel sheet and has a wedge portion (7) protruding at a part of a boundary portion (8) between a modified portion (5) and an unmodified portion (6), high magnetization properties, low iron loss, and high strength are achieved.
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