Title:
MOTOR DEVICE
Document Type and Number:
Japanese Patent JP2021129371
Kind Code:
A
Abstract:
To realize a motor device in which the influence of heat on a bearing is reduced.SOLUTION: A motor device includes an armature shaft 4 that is supported in a freely rotatable manner, a radial bearing 41 that is in contact with the outer circumferential surface of the armature shaft 4 and that supports the armature shaft 4 from the radial direction, a thrust bearing 42 that is in contact with an end surface of the armature shaft 4 and that supports the armature shaft 4 from the axial direction, a bearing holder 50 that holds the radial bearing 41 and the thrust bearing 42, and a housing 3 that houses the armature shaft 4 and the bearing holder 50. The thrust bearing 42 and the housing 3 are formed from metal materials. A part of the thrust bearing 42 is exposed from the bearing holder 50, and is in contact with an inner surface of the housing 3.SELECTED DRAWING: Figure 7
Inventors:
SAKATA KENJI
SUGIYAMA TOMOYASU
SUGIYAMA TOMOYASU
Application Number:
JP2020021999A
Publication Date:
September 02, 2021
Filing Date:
February 13, 2020
Export Citation:
Assignee:
MITSUBA CORP
International Classes:
H02K5/173; F16C17/10; F16C17/26; F16C19/06; F16C25/04; F16C33/08; F16C33/12; F16C33/14; F16C33/32; F16C35/067
Attorney, Agent or Firm:
Tsutsui International Patent Office