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Title:
EMBEDDED MAGNET-TYPE ROTOR
Document Type and Number:
WIPO Patent Application WO/2020/166573
Kind Code:
A1
Abstract:
This embedded magnet-type rotor (14) comprises: a rotor core (23) made from a magnetic material; a permanent magnet (25) provided to a magnet insertion hole (24) of the rotor core (23); and a cushioning material (31) provided to both sides in the direction of rotation of the permanent magnet (25) at the location (33) where the distance between the peripheral wall of the magnet insertion hole (24) and the permanent magnet (25) is the narrowest.

Inventors:
TAKAHASHI YOSHIKI (JP)
TAKEUCHI SHUN (JP)
Application Number:
PCT/JP2020/005205
Publication Date:
August 20, 2020
Filing Date:
February 11, 2020
Export Citation:
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Assignee:
DENSO CORP (JP)
International Classes:
H02K1/22; H02K1/27
Domestic Patent References:
WO2015146210A12015-10-01
Foreign References:
JP2017038462A2017-02-16
JP2012016237A2012-01-19
JP2008061480A2008-03-13
Attorney, Agent or Firm:
HATTORI Masaki (JP)
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