Title:
ROTARY ELECTRIC MACHINE AND BEARING STRUCTURAL BODY
Document Type and Number:
Japanese Patent JP2019193391
Kind Code:
A
Abstract:
To provide a rotary electric machine and a bearing structural body capable of suppressing oil leakage from the bearing structural body of a rotary electric machine.SOLUTION: A rotary electrical machine includes: a rotor having a rotor shaft 11 extending in an axial direction and a rotor core attached to a radially outer side of the rotor shaft 11; a stator having the stator core and a stator winding; two bearing structural bodies 100 that rotatably support the rotor shaft 11 on both sides in the axial direction across the rotor core; a frame arranged radially outside the stator; and bearing brackets 40 attached to both ends of the frame and supporting each of the two bearing structural bodies 100. At least one of the two bearing structural bodies 100 includes: a bearing body 110; oil throwers 140 and 150 provided on the rotor core side in the axial direction as viewed from the bearing body 110 or on the opposite side; and a pressurizing portion 160 that pressurizes the oil throwers 140 and 150 in the axial direction from the opposite side of the bearing body 110.SELECTED DRAWING: Figure 2
Inventors:
MIYAZAKI MASAKI
Application Number:
JP2018082152A
Publication Date:
October 31, 2019
Filing Date:
April 23, 2018
Export Citation:
Assignee:
TOSHIBA MITSUBISHI ELEC IND
International Classes:
H02K5/15; F16C23/04; F16C33/74; F16C35/02; F16J15/447; H02K5/167; H02K5/20; H02K9/06
Domestic Patent References:
| JPH0557530U | 1993-07-30 | |||
| JPS57130555U | 1982-08-14 | |||
| JP2008029099A | 2008-02-07 | |||
| JPS5356510U | 1978-05-15 |
Attorney, Agent or Firm:
Patent Business Corporation Sakura International Patent Office