Patent ID: 11870315
Assignee: SHINANO KENSHI CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  F | IPC F  H

Claim 0:
1. An electric pump comprising:
an impeller;
a rotor connected to the impeller;
a housing that houses the rotor;
a plurality of divided iron cores surrounding an outer surface of the housing;
a plurality of divided coil bobbins respectively attached to the plurality of the divided iron cores;
a plurality of divided coils respectively wound around the plurality of the divided coil bobbins;
a plurality of bus bars; and
an insulating member,
wherein
at least one of the plurality of the bus bars includes:
a ring portion that is a substantially C shape, and
a hook portion that extends outward from an outer radial periphery of the ring portion along a plane perpendicular to an axis of the rotor and is bent to extend radially inward so that the hook portion overlaps itself along a direction parallel to the axis;

at least one of the plurality of the divided coils includes:
a wound portion wound around the divided coil bobbin, and
an extended portion that extends from the wound portion;

a part of the extended portion is engaged and welded with the hook portion;
the insulating member includes an opening to expose the hook portion and covers the plurality of the bus bars; and
the extended portion engaged and welded with the hook portion is extended from the wound portion, and overlaps, with the insulating member in between, a portion of another of the plurality of the bus bars located radially outside from the bus bar with the hook portion.