Title:
【発明の名称】バッテリ充電回路
Document Type and Number:
Japanese Patent JP3349448
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To enable battery charging when driving construction equipment which can be driven by a drive motor or an engine. SOLUTION: A charging circuit 61 at the time of engine drive which charges a battery 41 by a DC power source supplied from a generator 42 driven by an engine at the time of engine driving, and a charging circuit 62 at the time of motor driving which charges the battery 41 by converting an AC power source 11 of the motor by using an AC/DC converter 14 at the time of motor driving, are installed. An interlock circuit 63 which supplies a voltage generated from the generator 42 to a battery 41 without applying the voltage to the AC/DC converter 14 at the time of engine driving is installed.
Inventors:
Yoshitaka Kubo
Yoshihiro Ikeda
Yoshihiro Ikeda
Application Number:
JP21628298A
Publication Date:
November 25, 2002
Filing Date:
July 30, 1998
Export Citation:
Assignee:
New Caterpillar Mitsubishi Corporation
International Classes:
E02F9/20; B60K6/20; B60K6/26; B60K6/28; B60K6/44; B60L9/24; B60L50/10; B60L50/14; B60L50/16; B60W10/26; B60W20/00; H01M10/44; (IPC1-7): B60L11/10; B60L9/24; B60L11/14; E02F9/20; H01M10/44
Domestic Patent References:
| JP6223302A | ||||
| JP50152410A |
Attorney, Agent or Firm:
Kabazawa Xiang (2 people outside)