US 8,508,091 B2 · End cover and motor rotor having the end cover

Abstract

An end cover adapted to engage with an end surface of a spindle of a motor rotor is proposed for securely coupling to the spindle with a plurality of permanent magnets disposed around the peripheral wall of the spindle. The end cover has a first surface facing an end surface of the spindle and an second surface opposing to the first surface, which is formed with a plurality of inserting slots indentedly disposed around the rim thereof and corresponding to the permanent magnets for coupling the ends of the permanent magnets, thereby securely fastening each of the permanent magnets to the spindle of the motor rotor. Further, the present invention further provides a motor rotor having the end covers described above.

Claims20

Dependent claims

An end cover for being coupled to an end surface of a spindle of a motor rotor for securely fastening a plurality of permanent magnets disposed around a peripheral wall of the spindle, the end cover comprising:

a first surface facing the end surface of the spindle and formed with a plurality of first openings, and a plurality of inserting slots indentedly disposed at a rim thereof and corresponding in position to the plurality of permanent magnets, so as to allow an end of each of the permanent magnets to be securely coupled to a corresponding one of the inserting slots directly, wherein the first openings are not disposed on the rim of the first surface;
and
a second end surface opposing to the first end surface and formed with a plurality of second openings corresponding in position to the first openings.

Dependencies are inferred from the claim text.

End cover and motor rotor having the end cover

Life of this patent

End cover and motor rotor having the end cover

Life of this patent

Abstract

Claims20