Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
MOTOR DRIVE CONTROL DEVICE AND SEATBELT MOTOR DRIVE CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/038317
Kind Code:
A1
Abstract:
Provided is a seatbelt motor drive control device with which the number of switching elements used for motor driving can be reduced to no more than three for one motor. This seatbelt motor drive control device is equipped with multiple motors respectively reeling in multiple seatbelts, and a motor drive unit that drives the multiple motors. The motor drive unit has: multiple parallel connecting lines connecting the power supply side and the ground side; multiple switching elements provided in each connecting line and arranged on the high-voltage side and the low-voltage side; and multiple connecting paths connecting the connecting lines between the switching elements arranged on the high-voltage side and the switching elements arranged on the low-voltage side. The multiple motors are arranged in the multiple connecting paths.

Inventors:
NAGOSHI Hiroto (2520, Takaba, Hitachinaka-sh, Ibaraki 03, 〒3128503, JP)
SAITO Masashi (2520, Takaba, Hitachinaka-sh, Ibaraki 03, 〒3128503, JP)
EBISAWA Toshio (2520, Takaba, Hitachinaka-sh, Ibaraki 03, 〒3128503, JP)
KUWATA Mitsunori (2520, Takaba, Hitachinaka-sh, Ibaraki 03, 〒3128503, JP)
Application Number:
JP2016/071954
Publication Date:
March 09, 2017
Filing Date:
July 27, 2016
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
HITACHI AUTOMOTIVE SYSTEMS, LTD. (2520, Takaba Hitachinaka-sh, Ibaraki 03, 〒3128503, JP)
International Classes:
H02P5/46; B60R22/48
Foreign References:
JP2015051718A2015-03-19
Attorney, Agent or Firm:
INOUE Manabu et al. (6-1, Marunouchi 1-chome, Chiyoda-k, Tokyo 20, 〒1008220, JP)
Download PDF:



 
Previous Patent: VEHICLE-MOUNTED CONTROL DEVICE

Next Patent: POSITION SENSOR