Title:
永久磁石式回転子およびブラシレスモータ
Document Type and Number:
Japanese Patent JP4065829
Kind Code:
B2
Abstract:
In a rotor 20 including a plurality of permanent magnet pieces 60 fixed in a plurality of magnet insertion slots 43 provided on the outer periphery of a rotor yoke 40 , respectively, and the rotor yoke 40 having concaves 44 each provided between the permanent magnet pieces 60 adjacent to each other and protrusions 46 each provided in each the concaves 44 to protrude outwardly in the radial direction of the rotor yoke 40 , between the sandwiching angle alpha formed by two sides connecting both outer ends A and A' of each the concaves 44 to the center axis O of the rotor yoke 40 and the sandwiching angle beta formed by two sides connecting both outer ends B and B' of each the protrusions 46 to the center axis O of the rotor yoke 40 , the following relationship is satisfied: 0.3
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Inventors:
Takehiro Imamura
Minoru Nakajima
Minoru Nakajima
Application Number:
JP2003352192A
Publication Date:
March 26, 2008
Filing Date:
October 10, 2003
Export Citation:
Assignee:
Honda motor industry stock company
International Classes:
H02K1/22; H02K29/00; H02K1/27; H02K15/02; H02K21/12; H02K21/16; H02K37/00
Domestic Patent References:
| JP2000270503A | ||||
| JP2002305859A |
Attorney, Agent or Firm:
Masatake Shiga
Tadashi Takahashi
Masakazu Aoyama
Suzuki Mitsuyoshi
Kazuya Nishi
Yasuhiko Murayama
Tadashi Takahashi
Masakazu Aoyama
Suzuki Mitsuyoshi
Kazuya Nishi
Yasuhiko Murayama