Original document(8 pages)  中文版
    This portable emergency electric welder is mainly composed of DC power supply, current-equalizing transformer, electronic current inverter system, on-off controller and protecting circuit of battery voltage. It features that through current inverter and the boost of transformer, a 24 V DC power supply can be used for welding. The electric welder uses low-voltage DC battery and has small size, so it has good safety and is suitable for the area where there is no AC power supply.
Application Number
申请号		 89108630 Application Date
申请日		 1989.11.16
Title 名称 Portable emergency electric welder
Publication Number
公开号		 1045364 Publication Date
公开日		 1990.09.19
Approval Pub. Date Granted Pub. Date
International Classification 分类号 B23K9/10
Applicant(s) Name
申请人		 Guo Minxin
Address 地址 116001
Inventor(s) Name 发明人 Guo Minxin
Attorney & Agent 代理人
More information 更  多  信  息


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