Patent ID: 9257875
Filing Date: 2016-02-09
CPC Classification: H02K,Y10T

Claim Text:
1. A stator of a segmented conductor type electric rotary machine comprising: an annular stator core which includes plural slots; and plural coil segments which are inserted into the slots, wherein, on at least one axial end portion of the stator core, the plural coil segments are disposed to form a coil end so that plural spanning portions of the plural coil segments are arranged continuously in a circumferential direction and so that circumferentially adjacent ones of the spanning portions partially overlap each other as seen in an axial direction of the stator core, each spanning portion spanning from a radially inner portion of one of the plural slots to a radially outer portion of another one of the plural slots, and wherein the spanning portion comprises: a first sloping portion, where a central portion of the plural coil segments extends axially outwards in the axial direction along a first sloping line as the central portion goes from the one of the plural slots to the another one of the plural slots, as seen in a radial direction; a second sloping portion, where the central portion of the plural coil segments extends axially outwards in the axial direction along a second sloping line as the central portion goes from the another one of the plural slots to the one of the plural slots, as seen in the radial direction; a first bent portion, where the plural coil segments are disposed in parallel and curve in such a way as to go in the radial direction from the first sloping portion; and a second bent portion, where the plural coil segments are disposed in parallel and curve in such a way as to go in the radial direction from the second sloping portion, wherein at a most radially inner coil segment of the plural coil segments in the first bent portion, a corner portion positioned at a side of the another one of the plural slots and at an outside in the axial direction as seen in the radial direction is located more axially outwards in the axial direction than an extension line of the first sloping line, at a most radially outer coil segment of the plural coil segments in the second bent portion, a corner portion positioned at a side of the one of the plural slots and at the outside in the axial direction as seen in the radial direction is located more axially outwards in the axial direction than an extension line of the second sloping line.