Title:
A control device of a power transmission device
Document Type and Number:
Japanese Patent JP6241445
Kind Code:
B2
Abstract:
A power transmission system is provided. The power transmission system includes a first transmission unit (28), a second transmission unit (24), a first engagement device (C1), a second engagement device (C2), a third engagement device (D1,C3), a fail-safe valve (86), and an electronic control unit (90). The electronic control unit (90) is configured to, during traveling in a state where the third engagement device (D1,C3) is released, output hydraulic pressure commands for simultaneous engagement of the first engagement device (C1) and the second engagement device (C2). The electronic control unit (90) is configured to, when it is determined that both the first engagement device (C1) and the second engagement device (C2) are engaged, prohibit traveling using the any one of the first power transmission path and the second power transmission path, which is connected or interrupted by the third engagement device.
Inventors:
Mitsuhiro Fukao
Hiroki Kondo
Akira Hino
Kazuya Sakamoto
Hiroki Kondo
Akira Hino
Kazuya Sakamoto
Application Number:
JP2015085482A
Publication Date:
December 06, 2017
Filing Date:
April 17, 2015
Export Citation:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
International Classes:
F16H61/12; F16H59/68; F16H61/00; F16H61/02; F16H61/66
Domestic Patent References:
| JP2014224561A | ||||
| JP2005133856A |
Foreign References:
| WO2013176208A1 | ||||
| US20150087463 | ||||
| US20050137043 | ||||
| US4290320 |
Attorney, Agent or Firm:
Haruyuki Ikeda
Kojiro Ikeda
Kojiro Ikeda