Title:
車両の電源システム
Document Type and Number:
Japanese Patent JP7406472
Kind Code:
B2
Abstract:
To provide a power supply system of a vehicle that even when internal loss of an engine is large, can interchange power supply with an other electric power source to restart the engine and can prevent the interchange of power supply from having a bad influences on a control system instrument.SOLUTION: A power supply system (E1) of a vehicle (1) comprises: a first power line (L1) and a second power line (L2); a first switch (26) connected to a space between a DC/DC converter and the first power line; relay lines (L3) through which electric power can be transferred from a space between the DS/DC converter and the first switch to the second power line; and a second switch (25) that opens and closes an electric path of the relay line. Further, a control part (22) opens the second switch (25) to drive a restarting motor on the basis of a request for restarting an engine, and when the engine cannot be restarted, closes the second switch (25) and opens the first switch (26) to drive the restarting motor.SELECTED DRAWING: Figure 1
Inventors:
Fumiyuki Moriya
Hirofumi Iebe
Atsushi Dojo
Hirofumi Iebe
Atsushi Dojo
Application Number:
JP2020137780A
Publication Date:
December 27, 2023
Filing Date:
August 18, 2020
Export Citation:
Assignee:
Subaru corporation
International Classes:
B60W10/00; B60L1/00; B60L50/16; B60R16/03; B60W10/08; B60W20/50; F02D29/02; F02N11/08
Domestic Patent References:
| JP2019209811A | ||||
| JP2018202915A | ||||
| JP2017131106A |
Foreign References:
| US20130066492 | ||||
| CN107176160A |
Attorney, Agent or Firm:
Hiroshi Arafune
Yoshio Arafune
Yoshio Arafune