Patent ID: 11873840
Assignee: NIDEC CORPORATION
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 15:
16. A motor comprising:
a rotor rotatable about a center axis extending vertically;
a stator to rotate the rotor; and
a housing covering the rotor and the stator from a radially outer side; wherein the housing includes:
a first housing located on a first side in an axial direction; and
a second housing located on a second side in the axial direction;

the first housing includes:
a first opposing surface opposing the second housing in the axial direction; and
a first wall portion extending from the first opposing surface to the second side in the axial direction;

the second housing includes:
a second opposing surface opposing the first housing in the axial direction;
a second wall portion extending from the second opposing surface to the first side in the axial direction; and
a base portion holding the stator;

the first wall portion and the second wall portion oppose each other in a radial direction;
the first housing includes at least one of an engagement claw protruding in the radial direction and an engagement hole engaged with the engagement claw;
the second housing has at least another of the engagement claw and the engagement hole;
an outer shape of the housing is a quadrangular shape including four corners when viewed from the axial direction;
the first housing includes two of the engagement claws and two of the engagement holes;
the second housing includes two of the engagement claws and two of the engagement holes;
each of the engagement claws of the first housing is arranged at a respective one of a pair of the corners located on a first diagonal of the housing, and each of the engagement holes of the first housing is arranged at a respective one of a pair of the corners located on a second diagonal of the housing; and
each of the engagement holes of the second housing is located at a respective one of a pair of the corners located on the first diagonal, and each of the engagement claws of the second housing is located at a respective one of a pair of the corners located on the second diagonal.