Electric heating – Metal heating – By arc
Patent
1995-12-18
1998-05-05
Shaw, Clifford C.
Electric heating
Metal heating
By arc
361328, 361695, B23K 910
Patent
active
057477736
ABSTRACT:
A power source apparatus for supplying electrical power for an arc welder includes a frame having a base member and first and second pairs of support members each defining an inverted V-shaped configuration mounted to the opposite side edges of the base member. An inverted channel cross member extends transversely between the upper ends of the support members. The support members each define a U-shaped channel having a pair of sidewalls and a connecting wall therebetween and are oriented such that the connecting walls face away from each other. An associated assembly method includes the steps of adjoining the ends of first and second pairs of support members and connecting them with a cross member to define a frame subassembly. At least a portion of the power circuit of the arc welder power source is then mounted on the frame subassembly before it is attached to the power source frame. A busbar assembly for supporting two rows of capacitors in parallel on the frame of an arc welder is also provided. A fan assembly for generating an airstream through the power source is also provided and includes a frame mounted to the power source defining at least two opposed recessed portions.
REFERENCES:
patent: 3790860 (1974-02-01), Verdisco
patent: 5186605 (1993-02-01), Tracy
patent: 5208730 (1993-05-01), Tracy
patent: 5406050 (1995-04-01), Macomber et al.
Instruction Manual for L-TEC 650cv Welding Power Supply (Form No. F-14-250-A) dated Apr., 1989 and published by L-TEC Welding & Cutting Systems, Florence, SC.
Instruction Manual for L-TEC 650cvcc Welding Power Source (Form No. F-15-100-A) dated Dec., 1993 and published by L-TEC Welding & Cutting Systems, Florence, SC.
Owner's Manual for Dimension.TM. 302 and 452 (Form No. OM-277) dated Dec. 1994 and published by Miller Electric Mfg. Co., Appleton, WI.
Eldridge Richard A.
Griffin David C.
Klingbeil William R.
Wiersema Dale T.
Shaw Clifford C.
The ESAB Group, Inc.
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