Shut off valve system for robotic welding devices

Details Shut off valve system for robotic welding devices Shut off valve system for robotic welding devices

1995-09-25

1997-12-16

Nguyen, Matthew V.

Electric heating

Metal heating

For bonding with pressure

137488, B23K 3702, F16K 3112

Patent

active

056981171

ABSTRACT:
A sensor and valving system for controlling the flow of liquid coolant in a welding electrode cooling circuit using coolant under pressure in supply and return lines. The system is responsive to loss of coolant to the welding electrodes by pressure response upon loss of coolant detection, the coolant supply is cut off and effective lines are isolated allowing for repair or replaceable without additional loss of coolant from the system.

REFERENCES:
patent: 1775773 (1930-09-01), McGuire
patent: 3431375 (1969-03-01), Hotchkiss
patent: 4260868 (1981-04-01), Day
patent: 4337789 (1982-07-01), Lonardo
patent: 4481971 (1984-11-01), Farrell et al.
patent: 4650152 (1987-03-01), Doutt
patent: 4880032 (1989-11-01), Doutt
patent: 5378868 (1995-01-01), Burkhardt et al.

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