Title:
CAPACITOR PRE-CHARGE CIRCUIT, MOTOR DRIVE SYSTEM, ELECTRIC-POWERED POWER STEERING SYSTEM, AND AIRBAG SYSTEM
Document Type and Number:
WIPO Patent Application WO/2013/031389
Kind Code:
A1
Abstract:
The purpose of the present invention is to reduce loss (heat generation) in a capacitor pre-charge circuit and to make the circuit more compact. A capacitor pre-charge circuit according to the present invention charges a capacitor to be charged while inhibiting the voltage at both ends of the capacitor from rising, by dividing the voltage of a power supply using a switched capacitor voltage-dividing circuit (refer to Fig. 1).
More Like This:
| WO/1997/023944 | REGULATED CHARGE PUMP DC/DC CONVERTER |
| JP2000324806 | CLOCK SUPPLY CIRCUIT FOR CHARGE PUMP |
| JP2011030327 | POWER SUPPLY CIRCUIT DEVICE |
Inventors:
KANEKAWA NOBUYASU (JP)
KOBAYASHI RYOICHI (JP)
KOSEKI TOMONOBU (JP)
SATO CHIHIRO (JP)
YATSUGI TOMISHIGE (JP)
KURIMOTO HIROFUMI (JP)
KOBAYASHI RYOICHI (JP)
KOSEKI TOMONOBU (JP)
SATO CHIHIRO (JP)
YATSUGI TOMISHIGE (JP)
KURIMOTO HIROFUMI (JP)
Application Number:
PCT/JP2012/067669
Publication Date:
March 07, 2013
Filing Date:
July 11, 2012
Export Citation:
Assignee:
HITACHI AUTOMOTIVE SYSTEMS LTD (JP)
KANEKAWA NOBUYASU (JP)
KOBAYASHI RYOICHI (JP)
KOSEKI TOMONOBU (JP)
SATO CHIHIRO (JP)
YATSUGI TOMISHIGE (JP)
KURIMOTO HIROFUMI (JP)
KANEKAWA NOBUYASU (JP)
KOBAYASHI RYOICHI (JP)
KOSEKI TOMONOBU (JP)
SATO CHIHIRO (JP)
YATSUGI TOMISHIGE (JP)
KURIMOTO HIROFUMI (JP)
International Classes:
H02M3/07; B60R21/017; B60R21/26; B62D5/04; H02P29/00
Foreign References:
| JP2003230230A | 2003-08-15 | |||
| JPH08205524A | 1996-08-09 | |||
| JP2002291231A | 2002-10-04 | |||
| JP2010252470A | 2010-11-04 | |||
| JP2005223988A | 2005-08-18 |
Attorney, Agent or Firm:
HIRAKI Yusuke et al. (JP)
Yusuke Hiraki (JP)
Yusuke Hiraki (JP)
Download PDF:
Claims:
Previous Patent: ENDOSCOPE PROCESSING DEVICE
Next Patent: LIQUID-TREATMENT DEVICE AND LIQUID-TREATMENT METHOD
Next Patent: LIQUID-TREATMENT DEVICE AND LIQUID-TREATMENT METHOD