OUTER ROTOR-TYPE ROTARY ELECTRIC MACHINE

Title:

OUTER ROTOR-TYPE ROTARY ELECTRIC MACHINE

Document Type and Number:

WIPO Patent Application WO/2019/087456

Kind Code:

A1

Abstract:

This rotor yoke (20) comprises: a rotor boss (21) that is fitted and fixed to the outside of a crank shaft (102); a disk-shaped bottom part (22) that is provided to an end of the rotor boss (21) on the opposite side from an engine (100), and that is formed coaxially with the rotation axis (C) of the crank shaft (102); and a lateral part (23) that extends from an outer peripheral edge of the bottom part (22) so as to bend toward the engine (100) side, the lateral part covering an outer peripheral surface of a stator (2), the lateral part having a magnet (34) provided on the inner peripheral surface thereof. On a surface (22a) of the bottom part (22) on the opposite side from the engine (100) are provided: a protrusion (31) at an outer peripheral part, the protrusion protruding toward the opposite side from the engine (100); and a cooling fan (4).

Inventors:

SAKAUE MIKA (JP)
MATSUI TAKANORI (JP)
SATO MANABU (JP)
HAGIMURA MASAMI (JP)

Application Number:

PCT/JP2018/023983

Publication Date:

May 09, 2019

Filing Date:

June 25, 2018

Export Citation:

Click for automatic bibliography generation Help

Assignee:

MITSUBA CORP (JP)

International Classes:

H02K1/27; H02K9/04; H02K21/22

Domestic Patent References:

WO2007123171A1

2007-11-01

Foreign References:

JPS5223309U	1977-02-18
JP2002153095A	2002-05-24
JP2009213264A	2009-09-17
JP2009254205A	2009-10-29
JPH0739094A	1995-02-07
JP2003023741A	2003-01-24
JP2017039711W	2017-11-02
JP2016111909A	2016-06-20

Other References: