INTERIOR PERMANENT-MAGNET ROTOR AND INTERIOR PERMANENT-MAGNET ROTATING ELECTRIC MACHINE
Number of patents in Portfolio can not be more than 2000
United States of America
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Issued Date -
Nov 28, 2024
app pub date -
Jul 30, 2024
filing date -
Jul 30, 2024
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Abstract
According to an embodiment, an interior permanent-magnet rotor includes: a rotor shaft; permanent magnets at least one of which is provided at each magnetic pole; and a rotor core attached to a radially outer side of the rotor shaft and formed with permanent magnet housing holes for storing the permanent magnets, respectively. Each of the permanent magnet housing holes has an opening part in communication with a radially outer side of the rotor core and sandwiched between an opening-part circumferentially inner-side tip and an opening-part circumferentially outer-side tip of the rotor core. The rotor core has a relaxing part formed with shapes of the opening-part circumferentially inner-side tip and the opening-part circumferentially outer-side tip.
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