Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
MOTOR MODULE AND ELECTRIC POWER STEERING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/070068
Kind Code:
A1
Abstract:
Provided is a motor module that makes it possible to achieve high motor output. This motor module 1000 comprises: a motor 200 that has windings of n phases (n being an integer that is 3 or greater); a first circuit board CB1 that is connected to a first power supply 410; a first inverter 120 that is mounted on the first circuit board and connected to the windings of n phases; a first motor control device 310 that is mounted on the first circuit board and controls the switching operations of a plurality of switch elements at the first inverter; a second circuit board CB2 that is connected to a second power supply 420 that generates the same power supply voltage as the first power supply; a second inverter 130 that is mounted on the second circuit board and connected to the windings of n phases; and a second motor control device 320 that is mounted on the second circuit board and controls the switching operations of a plurality of switch elements at the second inverter.

Inventors:
ENDO,Shuji (338 Kuzetonoshiro-cho Minami-ku, Kyoto-sh, Kyoto 05, 〒6018205, JP)
OHASHI,Hiromitsu (338 Kuzetonoshiro-cho Minami-ku, Kyoto-sh, Kyoto 05, 〒6018205, JP)
Application Number:
JP2018/037428
Publication Date:
April 11, 2019
Filing Date:
October 05, 2018
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NIDEC CORPORATION (338 Kuzetonoshiro-cho, Minami-ku Kyoto-sh, Kyoto 05, 〒6018205, JP)
International Classes:
H02K11/33; B62D5/04; H02P4/00; H02P25/18; H02P27/06
Domestic Patent References:
WO2017017747A12017-02-02
WO2016117144A12016-07-28
WO2017158966A12017-09-21
Foreign References:
JP2016181948A2016-10-13
JP2013062959A2013-04-04
JP2016152764A2016-08-22
JP2017191093A2017-10-19
US20140265670A12014-09-18
Download PDF: