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Title:
RADIAL GAP TYPE ROTATING ELECTRICAL MACHINE
Document Type and Number:
Japanese Patent JP2019161964
Kind Code:
A
Abstract:
To provide a radial gap type rotating electrical machine that uses amorphous metal with high efficiency and high productivity.SOLUTION: A radial gap type rotating electrical machine according to the present invention includes a rotation axis, a rotor including a rotor core that rotates about a rotation axis, a stator including a stator core disposed opposite the rotor core, and the stator core has an annular shape, and includes a back yoke (4) having a plurality of recesses provided along the inner periphery, and a teeth (3) one end of which is engaged with the recess, and the other end of which protrudes toward the rotor core. The teeth (3) includes a laminate in which amorphous metal foil strips are laminated in the axial direction of the rotation axis, and an insulating member (2) that holds the laminate, and the magnetic material (1) is provided at the end of the insulating member (2) on the side facing the rotor.SELECTED DRAWING: Figure 2C

Inventors:
ENOMOTO YUJI
Application Number:
JP2018048925A
Publication Date:
September 19, 2019
Filing Date:
March 16, 2018
Export Citation:
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Assignee:
HITACHI LTD
International Classes:
H02K1/02; H02K1/18
Domestic Patent References:
JP2007174805A2007-07-05
JP2003518903A2003-06-10
JP2015167432A2015-09-24
JP2005323477A2005-11-17
JP2004201429A2004-07-15
JP2011193573A2011-09-29
JP2005094929A2005-04-07
JP2008079455A2008-04-03
JP2005333695A2005-12-02
Foreign References:
US20010030486A12001-10-18
Attorney, Agent or Firm:
Polaire Patent Business Corporation