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Title:
自動車用の多電圧式車載電力供給装置
Document Type and Number:
Japanese Patent JP2013511246
Kind Code:
A
Abstract:
In the case of a multi-voltage on-board power supply system for a motor vehicle having a hybrid or electric drive, comprising a dc-dc converter, by means of which a high voltage level having a higher direct-current voltage and at least a first energy storage device is connected to a low voltage level having a lower voltage and at least a second energy storage device, wherein the system comprises a charging interface for charging external devices, at least one converter phase of the dc-dc converter can be disconnected from the low voltage level and instead can be connected with the charging interface, and a third energy storage device can be connected to the charging interface in order to supply the third energy storage device with a lower voltage and permit a charging of the third energy storage device by the energy flow from the first energy storage device.

Inventors:
Freshle Joachim
Vanke Christoph
Writer thomas
Application Number:
JP2012538208A
Publication Date:
March 28, 2013
Filing Date:
October 09, 2010
Export Citation:
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Assignee:
BAYERISCHE MOTOREN WERKE AKTIENGESELLSCHAFT
International Classes:
H02J7/00; B60L11/18; B60L50/15; H02J7/14; H02J7/34; H02J15/00
Domestic Patent References:
JPH10224901A1998-08-21
JP2005278256A2005-10-06
JP2002010508A2002-01-11
JP2008273253A2008-11-13
JP2007535282A2007-11-29
Attorney, Agent or Firm:
Fujita Akira
Hideki Imai