Title:
WORKING MACHINE AND METHOD FOR STARTING OPERATION OF WORKING MACHINE
Document Type and Number:
Japanese Patent JP2007155586
Kind Code:
A
Abstract:
To prevent a working machine in advance from continuing to work with a deteriorated battery.
The working machine comprises a capacitor unit 300, an electric motor that operates by using electric power of the capacitor unit 300, an inside resistant value calculation means (included in SOH monitor 400) for calculating an inside resistant value of the capacitor unit 300, a deterioration state determination means (included in SOH monitor 400) for determining a deterioration state of a battery by using the inside resistant value calculated by the inside resistant value calculation means, and an alarm 600 for generating sound informing the deteriorated state of the battery on the determination result of the determination means.
Inventors:
KANBAYASHI HIDEAKI
Application Number:
JP2005353383A
Publication Date:
June 21, 2007
Filing Date:
December 07, 2005
Export Citation:
Assignee:
SUMITOMO HEAVY INDUSTRIES
International Classes:
G01R31/36; E02F9/26; H01M10/48
Domestic Patent References:
| JP2004320923A | 2004-11-11 | |||
| JP2004257785A | 2004-09-16 | |||
| JP2004045235A | 2004-02-12 |
Attorney, Agent or Firm:
Tsuyoshi Makino
Satoshi Takaya
Keisuke Matsuyama
Satoshi Takaya
Keisuke Matsuyama