Patent ID: 9601958
Date: 2017-03-21
CPC Classifications: H02K

Claim:
1. A stator portion assembly comprising: a stator has a central axis extends in a vertical direction; and a bus bar member disposed on an upper side of the stator; wherein the stator includes: a core back centered on the central axis; a plurality of teeth extending toward the central axis from the core back; and a plurality of coils respectively provided on the plurality of teeth; the plurality of coils define three coil groups; each of the three coil groups includes two or more coils defined by a single conducting wire that includes a jumper wire portion; the bus bar member includes: three first bus bars, wherein end portions on one side of the conducting wires of the three coil groups are respectively connected to the three first bus bars, and each of the three first bus bars includes an external connection terminal; a second bus bar that defines a neutral point, wherein end portions on the other side of the conducting wires of the three coil groups are connected to the neutral point; and a resin holder that retains the three first bus bars and the second bus bar; the external connection terminals of the three first bus bars are disposed in a common area of a circumferential direction centered on the central axis; and the three first bus bars and the second bus bar overlap in only one of a radial direction centered on the central axis and an axial direction, and a maximum number of the three first bus bars and the second bus bar that overlap is 2.