Back to results
US 2021/0330146 A1Published application
Motor assembly and a cleaner comprising the same
AssigneeSamsung Electronics Co., Ltd.
InventorsTaesang PARK, Minsuk KANG, Dongsuk KO
Life of this patent
Estimating the term…
Abstract
A motor assembly is disclosed. The motor assembly includes a motor having an axis, an impeller having a plurality of wings and configured to connect with the axis, and an impeller cover configured to cover a side surface of the impeller and disposed spaced apart from the impeller by a pre-set distance, and at least one from among the plurality of wings includes a protrusion disposed between the impeller cover and the wing.
Claims17
A motor assembly, comprising:
- a motor rotatable about an axis;
- an impeller configured to connect along the axis and having a plurality of wings;
- and
- an impeller cover configured to cover a side surface of the impeller, and disposed so that the impeller cover is spaced apart from the impeller by a pre-set distance,
- wherein at least one wing from among the plurality of wings includes a protrusion disposed between the impeller cover and the at least one wing, so that the pre-set distance between the impeller and impeller cover is maintained.
2 more elements
A motor assembly, comprising:
- a motor rotatable about an axis;
- an impeller configured to connect along the axis and having a plurality of wings;
- and
- an impeller cover configured to cover a side surface of the impeller, and disposed so that the impeller cover is spaced apart from the impeller by a pre-set distance,
- wherein the impeller cover includes a protrusion formed along an inner circumferential surface of the impeller cover, and configured to protrude toward the plurality of wings so that the pre-set distance between the impeller and impeller cover is maintained.
2 more elements
A manufacturing method of a motor assembly, the method comprising:
- forming at least one protrusion on an impeller;
- manufacturing a sub assembly comprising a stator, a rotor, a motor housing accommodating the stator and the rotor, and the impeller configured to be fixed at one end of the rotor and disposed at an outside of the motor housing;
- disposing the sub assembly on an impeller cover so that the at least one protrusion is configured to contact the impeller cover;
- and
- coupling the impeller cover to the motor housing, so that the impeller cover is spaced apart from the impeller by the at least one protrusion.
2 more elements
Dependencies are inferred from the claim text.