US 12,244,191 B2
Rotating electrical machine
Akito Tamura, Kariya (JP); and Kazuya Iwase, Kariya (JP)
Assigned to DENSO CORPORATION, Kariya (JP)
Filed by DENSO CORPORATION, Kariya (JP)
Filed on Feb. 23, 2022, as Appl. No. 17/678,674.
Application 17/678,674 is a continuation of application No. PCT/JP2020/031876, filed on Aug. 24, 2020.
Claims priority of application No. 2019-156670 (JP), filed on Aug. 29, 2019.
Prior Publication US 2022/0181935 A1, Jun. 9, 2022
Int. Cl. H02K 3/04 (2006.01); H01F 41/06 (2016.01); H02K 3/47 (2006.01); H02K 15/04 (2006.01)
CPC H02K 3/04 (2013.01) [H01F 41/06 (2013.01); H02K 3/47 (2013.01); H02K 15/045 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A rotating electrical machine comprising:
a rotor which is rotatable along with a rotating shaft and includes a magnet unit equipped with a plurality of magnetic poles whose polarities alternate in a circumferential direction of the rotor; and
a stator which is equipped with a multi-phase stator winding including phase windings each of which is made of a plurality of winding segments, the stator being arranged to face the rotor in a radial direction thereof, wherein
each of the winding segments includes a pair of intermediate conductor portions and link portions,
the intermediate conductor portions are arranged at a given interval away from each other in the circumferential direction,
the link portions define a first end and a second end of the winding segment which are opposed to each other in the axial direction and connect the pair of intermediate conductor portions together into an annular form,
the pair of intermediate conductor portions and the link portions are made of a conductor wound multiple times,
the plurality of winding segments are arranged adjacent each other in the circumferential direction and partially overlap each other in the circumferential direction,
the winding segments include first winding segments and second winding segments which overlap each other in the circumferential direction,
the link portions defining the first end and the second end of each of the first winding segments are radially bent away from the rotor,
the link portions defining one of the first and second ends of each of the second winding segments are not radially bent,
the link portions defining other of the first and second ends of each of the second winding segments are radially bent toward the rotor, and
the link portions of the winding segments are arranged not to overlap each other in the axial direction.