Title:
OIL SEAL STRUCTURE OF MOTOR
Document Type and Number:
Japanese Patent JP2023040801
Kind Code:
A
Abstract:
To provide an oil seal structure of a motor capable of securing the sealing performance of oil.SOLUTION: Disclosed is an oil seal structure for a motor according to the present invention which includes: a rotor shaft which rotates around a rotation shaft together with a rotor of an oil seal structure motor of a motor; and a seal member which seals an oil leakage passage formed along the outer peripheral surface of the rotor shaft. The rotor shaft includes: a main shaft to which the rotor is fixed: and a sub shaft which has a flange part press-fitted into an axial one end part of the main shaft and whose outer peripheral surface comes into contact with the seal member, and the flange part has a hole part through which a bus bar for electrically connecting a slip ring and a coil of the rotor is inserted.SELECTED DRAWING: Figure 1
Inventors:
MASUDA TAKENORI
HATTORI HIROYUKI
HATTORI HIROYUKI
Application Number:
JP2021147967A
Publication Date:
March 23, 2023
Filing Date:
September 10, 2021
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
H02K5/16; H02K13/02
Attorney, Agent or Firm:
Sakai International Patent Office