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US 12,015,322 B2Granted
Electric motor
AssigneeDyson Technology Limited
InventorsNigel Youatt Dymond, Lin Ji, Kevin Garcia
Life of this patent
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Abstract
An electric motor having a frame, a rotor assembly, and a stator assembly. The rotor assembly has a magnet, a bearing assembly, an impeller, and a shaft. The bearing assembly has a first bearing, a second bearing, and a biasing element between the first and second bearings. The first bearing is mounted to the frame by an o-ring, and the second bearing is mounted to the frame by adhesive.
Claims15
An electric motor comprising:
- a frame;
- a rotor assembly comprising a magnet, a bearing assembly, an impeller, and a shaft, wherein the bearing assembly comprises:
- a first bearing soft-mounted to the frame by an O-ring;
- a second bearing mounted to the frame by adhesive;
- and
- a biasing element between the first and second bearings, wherein the first bearing is located closer to the impeller than the second bearing;
- and
- a stator assembly comprising a plurality of c-shaped stator cores, wherein the stator assembly is soft-mounted to the frame by a deformable stator mounting member.
5 more elements
Dependencies are inferred from the claim text.