Title:
CONTINUOUSLY VARIABLE TRANSMISSION
Document Type and Number:
Japanese Patent JP2019168042
Kind Code:
A
Abstract:
To control a gear ratio with high accuracy even when abnormality occurs in a part of electric motors, in a case of driving a plurality of power rollers by the plurality of electric motors.SOLUTION: A plurality of roller driving devices 19 relating to a continuously variable transmission 1 include plurality of electric motors 23 individually driving a plurality of power rollers 6. A control device 8 of the continuously variable transmission 1 includes an abnormality detection portion 33 for detecting abnormality relating to the plurality of electric motors 23. The control device 8 stops the electric motor 23 in which the abnormality is detected, and changes control parameters relating to the electric motors 23 in which abnormality is not detected, when the abnormality detection portion 33 detects abnormality in at least one of the plurality of electric motors 23.SELECTED DRAWING: Figure 1
Inventors:
NISHIO YUKIHIRO
TOKUNAGA HIROAKI
TOKUNAGA HIROAKI
Application Number:
JP2018056318A
Publication Date:
October 03, 2019
Filing Date:
March 23, 2018
Export Citation:
Assignee:
NTN TOYO BEARING CO LTD
International Classes:
F16H61/12; F16H15/38; F16H61/664; G05B9/02
Attorney, Agent or Firm:
Kunihiko Shiromura
Tsuyoshi Kumano
Junya Yamamoto
Tsuyoshi Kumano
Junya Yamamoto