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Patent Searching and Data


Title:
VEHICLE POWER SUPPLY DEVICE AND DOOR LATCH DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/120501
Kind Code:
A1
Abstract:
A vehicle power supply device 1 comprises: a backup power supply 6 that has power supplied thereto from a vehicle-mounted battery 3; a booster 20 that boosts the voltage of the backup power supply 6 to a boost voltage Vb; a motor drive unit 7 that is connected to the battery 3 and the booster 20, has power supplied thereto from whichever of the battery 3 and the booster 20 has the higher voltage, and can drive an electric motor 2; and a control unit 8 that controls the operation of the booster 20. The control unit 8 controls the booster 20 and boosts the voltage of the backup power supply 6 to greater than the rated voltage of the battery 3, when a determination has been made that prescribed boost conditions have been satisfied.

Inventors:
NAKATO MASAKAZU (JP)
TAKADA YUSUKE (JP)
Application Number:
PCT/JP2022/046784
Publication Date:
June 29, 2023
Filing Date:
December 20, 2022
Export Citation:
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Assignee:
MINEBEAMITSUMI INC (JP)
International Classes:
B60R16/03; B60J5/00; B60R16/033; E05B81/82
Foreign References:
JP2018042334A2018-03-15
JP2015231269A2015-12-21
JP2015128341A2015-07-09
JP2016092958A2016-05-23
Attorney, Agent or Firm:
YAMAO, Norihito et al. (JP)
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