Patent Number: 6,528,910

Title: Cooling arrangement of vehicle rotary electric machine

Abstract: A vehicle rotary electric machine includes a rotor having a plurality of claw-shaped pole pieces, a cooling fan, a stator core, a stator winding and a frame. A coil-end-gap is formed along the axial end of the stator core between outside portions of the stator winding extending from each pair of adjacent slots, and a cylindrical wall member is disposed between the frame and coil-ends of the stator winding.

Inventors: Nakamura; Shigenobu (Anjo, JP), Kusase; Shin (Obu, JP)

Assignee: Denso Corporation

International Classification: H02K 9/06 (20060101); H02K 9/04 (20060101); H02K 009/00 (); H02K 005/00 ()

Expiration Date: 03/04/2011