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US 2021/0021184 A1Published application
Rotor assembly for dc motor
AssigneeJohnson Electric International AG
InventorsCheong Wing YUEN, Chi Yan TAM, Chi Hung Jacky CHAN
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Abstract
A rotor assembly for a DC motor is provided which includes a rotor having a rotor shaft, a commutator mounted to the rotor shaft, and a varistor which is connected to the commutator via an electrically-conductive solderless fixing means, such as an electrically-conductive adhesive.
Claims21
A rotor assembly for a DC motor, the rotor assembly comprising:
- a rotor having a rotor shaft;
- a commutator mounted to the rotor shaft;
- and
- a varistor connected to the commutator via an electrically-conductive solderless fixing means, wherein the electrically-conductive solderless fixing means comprises electrically-conductive adhesive.
1 more element
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A method of forming a rotor assembly for a DC motor, the method comprising the steps of:
- a] providing a rotor having a rotor shaft, and a commutator mounted to the rotor shaft;
- and
- b] connecting a varistor to the commutator via an electrically-conductive solderless fixing means.
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Dependencies are inferred from the claim text.