Title:
POWER STORAGE DEVICE
Document Type and Number:
Japanese Patent JP2015159658
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a power storage device which includes a voltage equalization circuit and flexibly deals with increase and decrease in the number of power storage cells serially connected with each other.SOLUTION: A housing including a bottom surface, a side surface, and an upper surface is mounted on a machine body of a shovel. A power storage module including multiple power storage cells is disposed in the housing. A support member is fixed in the housing. The support member includes a support wall which is disposed in a posture perpendicular to the bottom surface of the housing. A least one circuit board, on which an equalization circuit which equalizes a voltage across terminals of the power storage cells is mounted, is supported by the support wall.
Inventors:
ADACHI SHUNTARO
Application Number:
JP2014032986A
Publication Date:
September 03, 2015
Filing Date:
February 24, 2014
Export Citation:
Assignee:
SUMITOMO HEAVY INDUSTRIES
International Classes:
H02J7/00; H02J7/34
Domestic Patent References:
| JP2010015903A | 2010-01-21 | |||
| JP2008251352A | 2008-10-16 | |||
| JP2013055748A | 2013-03-21 | |||
| JP2010073691A | 2010-04-02 | |||
| JP2007288883A | 2007-11-01 | |||
| JP2007287416A | 2007-11-01 | |||
| JP2010054468A | 2010-03-11 | |||
| JP2009181737A | 2009-08-13 | |||
| JP2012028186A | 2012-02-09 | |||
| JP2002101569A | 2002-04-05 |
Foreign References:
| WO2013118874A1 | 2013-08-15 | |||
| US20100104933A1 | 2010-04-29 |
Attorney, Agent or Firm:
Mikio Kuruyama
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