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US 9,866,081 B2Granted
Motor rotor assembly and motor comprising the same
AssigneeZhongshan Broad-Ocean Motor Co., Ltd.
InventorsYueqiang Yu, Shikun Chen, Jianhua Zeng, Yanli Qiu
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Abstract
A motor rotor assembly including: a rotor core, a plurality of permanent magnets, and end plates. The permanent magnets are disposed on the rotor core, and the end plates are disposed at two end surfaces of the rotor core, respectively. A plurality of grooves is disposed at the outer edge of the top surface of the end plates, a plurality of convex columns protrudes from the bottom wall of the end plates.
Claims18
A motor rotor assembly, comprising:
- a) a rotor core;
- b) a plurality of permanent magnets;
- and
- c) end plates;
- wherein
- the plurality of permanent magnets is disposed on the rotor core;
- the end plates are disposed at two end surfaces of the rotor core, respectively;
- a plurality of grooves is disposed at an outer edge of a top surface of the end plates;
- and
- a plurality of convex columns protrudes from a bottom wall of the end plates.
7 more elements
A motor, comprising:
- a) a revolving shaft;
- b) a rotor assembly;
- c) a stator assembly;
- d) a housing;
- and
- e) end covers;
- wherein
- the rotor assembly is disposed on the revolving shaft;
- the stator assembly and the housing are connected together and sleeved on the rotor assembly;
- the end covers are disposed at two ends of the housing;
- the revolving shaft is supported by bearings of the end covers;
- the motor rotor assembly comprises a rotor core, a plurality of permanent magnets and end plates;
- the plurality of permanent magnets is disposed on the rotor core, and the end plates are disposed at two end surfaces of the rotor core, respectively;
- and
- a plurality of grooves is disposed at an outer edge of a top surface of the end plates, and a plurality of convex columns protrudes from a bottom wall of the end plates.
12 more elements
Dependencies are inferred from the claim text.