Motor rotor and method for correcting rotating balance thereof
The invention is characterized in that in a motor rotor constituted by a motor shaft, a permanent magnet surrounding the motor shaft around an axis, a pair of end rings surrounding the motor shaft around the axis and pinching the permanent magnet from both sides in an axial direction, and a hollow c...
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| creator | Shibui, Yasuyuki Shimizu, Masahiro |
| description | The invention is characterized in that in a motor rotor constituted by a motor shaft, a permanent magnet surrounding the motor shaft around an axis, a pair of end rings surrounding the motor shaft around the axis and pinching the permanent magnet from both sides in an axial direction, and a hollow cylindrical outer sleeve surrounding the permanent magnet and a pair of end rings in a fastening state around the axis, one end portion or both end portions of the outer sleeve protrudes in the axial direction than an end surface of the end ring. A rotating balance correction is executed by pruning away a part of the protruding portion. |
| format | Patent |
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A rotating balance correction is executed by pruning away a part of the protruding portion.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
| recordid | cdi_uspatents_grants_08294319 |
| source | USPTO Issued Patents |
| title | Motor rotor and method for correcting rotating balance thereof |
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