Title:
Vehicle power supply
Document Type and Number:
Japanese Patent JP6344758
Kind Code:
B2
Abstract:
Power supply device includes a power supply circuit with a low voltage load circuit and a high voltage load circuit connected to a plurality of batteries connected in series. A power supply circuit includes an equalizer that can prevent uneven consumption of each battery; a disconnect switch that enables the battery on the low voltage side to be electrically cut off; and a disconnect relay that enables the battery on the high voltage side to be electrically cut off. A machine controller starts an engine controller by turning on an engine key relay after turning on the disconnect relay.
Inventors:
Atsushi Kawaguchi
Kenji Yokohata
Kenji Yokohata
Application Number:
JP2014019705A
Publication Date:
June 20, 2018
Filing Date:
February 04, 2014
Export Citation:
Assignee:
CATERPILLAR INCORPORATED
International Classes:
B60R16/03
Domestic Patent References:
| JP59139887A | ||||
| JP2000060019A | ||||
| JP2002171691A |
Foreign References:
| US4045718 |
Attorney, Agent or Firm:
樺澤 襄
Satoshi Kabazawa
Tetsuya Yamada
Satoshi Kabazawa
Tetsuya Yamada