Patent ID: 7948142

Claim:
A stator for rotary electric machines, comprising: a stator core having a radial direction and having slots provided with bottomed openings directed inward or outward in the radial direction; and a stator coil comprising slot accommodation portions being accommodated in the slots of the stator core and coil end portions each connecting mutually adjacent slot accommodation portions among the slot accommodation portions and respectively protruding from both end faces of the stator core, wherein the stator coil is pre-formed into a cylindrical shape before the slot accommodation portions are accommodated into the slots of the stator core, the slot accommodation portions are formed to respectively have convex parts each protruding toward an opposite way to the openings of the slots, before the slot accommodation portions are accommodated into the slots, and the convex parts are pressed by the stator core toward the openings during accommodation of the slot accommodation portions into the slots.