Title:
回転電機の回転子
Document Type and Number:
Japanese Patent JP6611109
Kind Code:
B2
Abstract:
The present invention provides a rotary electric machine rotor that suppresses increases in amounts of conductor wire while ensuring cooling, to enable reductions in cost, and that can also suppress increases in centrifugal forces that act on a field coil.This rotary electric machine rotor includes: a Lundell core that includes: a cylindrical portion; a pair of yoke portions that are disposed on two axial end portions of the cylindrical portion; and a plurality of claw-shaped magnetic pole portions that are disposed so as to extend axially alternately from each of the pair of yoke portions; a bobbin that is mounted around an outer circumference of the cylindrical portion; a field coil that is wound onto the bobbin in multiple layers, the field coil contacting a vicinity of roots of inner circumferential surfaces of the claw-shaped magnetic pole portions; and a cooling fan that supplies air to an outer circumferential surface of the field coil, wherein the field coil is formed so as to have a peaked shape in which two or more peaks line up consecutively in an axial direction, an apex portion of each of the peaks being positioned radially further outward than a root position of the claw-shaped magnetic pole portions.
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Inventors:
Kazuya Hasegawa
Application Number:
JP2018549720A
Publication Date:
November 27, 2019
Filing Date:
November 11, 2016
Export Citation:
Assignee:
Mitsubishi Electric Corporation
International Classes:
H02K3/24; H02K1/20; H02K1/24; H02K9/06; H02K19/24
Domestic Patent References:
| JP10056759A | ||||
| JP56174936U | ||||
| JP2012244806A | ||||
| JP10174330A | ||||
| JP2003164088A |
Foreign References:
| EP0198095A1 |
Attorney, Agent or Firm:
Michiharu Soga
Kajinami order
Kazuhiro Oyaku
Shunichi Ueda
Junichiro Yoshida
Kajinami order
Kazuhiro Oyaku
Shunichi Ueda
Junichiro Yoshida