Title:
MOTOR UNIT
Document Type and Number:
Japanese Patent JP2019083612
Kind Code:
A
Abstract:
To provide a motor unit capable of easily and reliably improving detection accuracy of a sensor unit comprising a sensor magnet and a sensor substrate that detects a magnetic change of the sensor magnet.SOLUTION: A sensor unit 4 comprises: a sensor magnet 47 which is provided in one end 41a of a rotary shaft 41 protruding from a bottom 2a of a motor case 2; a sensor substrate 52 on which a magnetic detection element that detects a magnetic change of the sensor magnet 47 is mounted; and a sensor case 51 in which the sensor substrate 52 is accommodated and to which the sensor substrate 52 is fastened and fixed by at least two bolts 78. A fitting recess 8 to which the sensor case 51 is fitted is provided on the bottom 2a of the motor case 2, and the sensor magnet 47 is disposed in the fitting recess 8. The sensor case 51 includes: a semicircular part 54 which is fitted into the fitting recess 8; and a rectangular parallelepiped part 53 from which a signal line 59 is drawn. A spigot part 55 which is fitted into the fitting recess 8 is provided in the semicircular part 54.SELECTED DRAWING: Figure 2
Inventors:
OKAMOTO ATSUSHI
TAKEARA TOSHIHIRO
FUKASAWA KATSUMASA
KIBE SATOSHI
KOBAYASHI KYOHEI
TAKEARA TOSHIHIRO
FUKASAWA KATSUMASA
KIBE SATOSHI
KOBAYASHI KYOHEI
Application Number:
JP2017209196A
Publication Date:
May 30, 2019
Filing Date:
October 30, 2017
Export Citation:
Assignee:
MITSUBA CORP
International Classes:
H02K11/215; H02K5/22; H02K29/08
Domestic Patent References:
| JP2011229227A | 2011-11-10 | |||
| JP2013090532A | 2013-05-13 |
Attorney, Agent or Firm:
Nishizawa Kazumi
Shingo Suzuki
Koichiro Kamata
Shingo Suzuki
Koichiro Kamata