Title:
WATER LEAKAGE DETECTOR FOR COOLING WATER OF PLASMA TORCH
Document Type and Number:
Japanese Patent JP2004045328
Kind Code:
A
Abstract:
To provide a water leakage detector that can directly detect the leakage of the cooling water of a plasma torch with a higher accuracy.
This water leakage detector for the cooling water of the plasma torch which heats an object with a plasma arc is provided with a detecting means which judges that the leakage of the cooling water occurs when the voltage of the plasma arc exceeds a preset voltage value.
Inventors:
ICHIKAWA KAORU
YAMADA SATOSHI
KANEKO KATSUSHI
YAMADA SATOSHI
KANEKO KATSUSHI
Application Number:
JP2002205736A
Publication Date:
February 12, 2004
Filing Date:
July 15, 2002
Export Citation:
Assignee:
NIPPON STEEL CORP
International Classes:
G01M3/40; B22D41/015; F27B3/28; H05H1/28; (IPC1-7): G01M3/40; B22D41/015; H05H1/28
Attorney, Agent or Firm:
Takashi Ishida
Jun Tsuruta
Hiroshi Kamematsu
Masaya Nishiyama
Jun Tsuruta
Hiroshi Kamematsu
Masaya Nishiyama
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