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

2005-02-22

2005-02-22

Nguyen, Tuyen T. (Department: 2632)

Inductor devices

With closed core interrupted by an air gap

C336S212000

Reexamination Certificate

active

06859128

ABSTRACT:
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.

REFERENCES:
patent: 1353711 (1920-09-01), Bergman
patent: 2469266 (1949-05-01), Howell
patent: 3091720 (1963-05-01), Huberty
patent: 3136884 (1964-06-01), Glenn et al.
patent: 3211953 (1965-10-01), Gibson et al.
patent: 3308265 (1967-03-01), Hobart
patent: 3546571 (1970-12-01), Fletcher et al.
patent: 3646311 (1972-02-01), Cameron et al.
patent: 3911243 (1975-10-01), Moriyama et al.
patent: 4117303 (1978-09-01), Hedberg
patent: 4398080 (1983-08-01), Johansson et al.
patent: 4547705 (1985-10-01), Hirayama et al.
patent: 5194817 (1993-03-01), Ward
patent: 5204653 (1993-04-01), Saitoh et al.
patent: 5440225 (1995-08-01), Kojima
patent: 5461555 (1995-10-01), Kitajima et al.
patent: 5816894 (1998-10-01), Hosozawa et al.
patent: 28 48 119 (1980-05-01), None
patent: 0 039 485 (1981-11-01), None
patent: 0 729 040 (1996-08-01), None
patent: 229484 (1925-02-01), None
patent: 182260 (1983-02-01), None
patent: 53-8344 (1978-01-01), None
patent: 3-208250 (1991-09-01), None

Affiliated with

Also associated with

Rating

Output choke for D.C. welder and method of using same does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Output choke for D.C. welder and method of using same, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Output choke for D.C. welder and method of using same will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3472775