Cooling system for arc welding

Details Cooling system for arc welding Cooling system for arc welding

2006-02-28

2006-02-28

Kerns, Kevin P. (Department: 1725)

Electric heating

Metal heating

By arc

Reexamination Certificate

active

07005608

ABSTRACT:
An electric arc welder with an internal compartment containing heat generating electrical components where the compartment has an end wall defining the outlet wall of a plenum chamber and the end wall has large, unimpeded outlet openings. The plenum chamber having an inlet wall with an air opening and including an air moving device with an axial inlet ring and a radial discharge impeller mounted on the inlet wall over the air opening to pressurize air in the plenum chamber to force air from the outlet opening at a velocity exceeding about 2000 ft/min.

REFERENCES:
patent: 3592260 (1971-07-01), Berger
patent: 5624589 (1997-04-01), Latvis et al.
patent: 5642260 (1997-06-01), Sigl
patent: 6081423 (2000-06-01), Griffin
patent: 6489591 (2002-12-01), Achtner
patent: 6650540 (2003-11-01), Ishikawa
patent: 6803541 (2004-10-01), Andersen et al.
patent: 6888099 (2005-05-01), Schneider
Brochure byEBM Industries—Better Commercial and Industrial Ducted Air Movementpp. 138 and 139.

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