Output choke for d.c. welder and method of using same

Details Output choke for d.c. welder and method of using same Output choke for d.c. welder and method of using same

B - Operations, Transporting

23

K

B23K 9/10 (2006.01) B23K 9/00 (2006.01) B23K 9/073 (2006.01) B23K 9/08 (2006.01) H01F 3/00 (2006.01) H01F 3/14 (2006.01) H01F 17/06 (2006.01) H01F 19/00 (2006.01) H01F 27/24 (2006.01) H01F 27/28 (2006.01) H01F 29/10 (2006.01) H01F 37/00 (2006.01) H01F 38/00 (2006.01) H01F 38/02 (2006.01) H01F 38/08 (2006.01) H01F 38/40 (2006.01)

Patent

CA 2284958

An output choke for a D,C. arc welder comprising a high permeability core with an inductance controlling air gap defined by first and second pole pieces terminating in first and second surfaces facing each other and each having two spaced edges with an intermediate area, said surfaces converging from said intermediate area toward each of said edges to generate a specific cross sectional shape for said gap wherein said choke is large enough to carry at least about 100 amperes of weld current.

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