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Patent Searching and Data


Title:
ROTATING ELECTRICAL MACHINE
Document Type and Number:
WIPO Patent Application WO/2017/209246
Kind Code:
A1
Abstract:
A rotor (30) in a rotating electrical machine (1) comprising: a field core (32) having cylindrical boss sections (321, 321a, 321b) and a plurality of hook-shaped magnetic pole sections (323, 323a, 323b) arranged on the outer circumferential side of the boss sections and having formed therein magnetic poles having alternating polarity in the circumferential direction; a field winding (33) wound on the outer circumferential side of the boss sections and generating magnetomotive force by the passage of electric current thereto; a permanent magnet (34) arranged between hook-shaped magnetic pole sections adjacent in the circumferential direction, such that the easy magnetization axis thereof faces the circumferential direction and the polarity thereof matches the polarity alternately exhibited by the hook-shaped magnetic pole sections as a result of excitation; and magnetic flux short-circuit members (35, 36, 37, 38) having short-circuit sections (35a, 36a) that magnetically connect hook-shaped magnetic pole sections having different polarity in the circumferential direction.

Inventors:
TAKAHASHI, Yuki (1-1 Showa-cho, Kariya-cit, Aichi 61, 〒4488661, JP)
HISADA, Tomokazu (1-1 Showa-cho, Kariya-cit, Aichi 61, 〒4488661, JP)
Application Number:
JP2017/020445
Publication Date:
December 07, 2017
Filing Date:
June 01, 2017
Export Citation:
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Assignee:
DENSO CORPORATION (1-1 Showa-cho, Kariya-city Aichi, 61, 〒4488661, JP)
International Classes:
H02K1/24; H02K1/27; H02K19/22
Attorney, Agent or Firm:
TOHDA, Kiyoshi (PDI Patent & Trademark Firm, KOJIMACHI MK BLDG. 3F 3-30, Kojimachi 4, Chiyoda-k, Tokyo 83, 〒1020083, JP)
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