Engine driven welding machine

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20080308540A1
SERIAL NO

11898687

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An engine driven welding machine which is favorable in operability and has high reliability and reliably performs idle stop and restart is provided. An engine driven welding machine in which a welding generator is driven by an engine, and the aforesaid engine performs an idle operation when a welding operation is stopped is characterized by including an engine stop signal forming circuit IT which forms a stop signal for stopping an operation of the aforesaid engine when time of the aforesaid idle operation exceeds a predetermined time, a direct-current power supply PS connected to an output terminal of the aforesaid welding machine, voltage detecting means VS which detects a voltage change of the aforesaid output terminal, a restart detecting circuit RS which forms a restart signal for restarting the aforesaid engine when the detected voltage by the aforesaid voltage detecting means shows a predetermined change mode for starting the welding operation, and an engine control circuit EC which stops the aforesaid engine in response to the aforesaid stop signal, and restarts the aforesaid engine in response to the aforesaid restart signal.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
DENYO KABUSHIKI KAISHANAKANO-KU TOKYO-TO

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hiroi, Toru Sakado-shi, JP 7 70
Kawabata, Kentaro Sayama-shi, JP 5 43

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