Welding transformer with drooping voltage-current characteristic

Details Welding transformer with drooping voltage-current characteristic Welding transformer with drooping voltage-current characteristic

1978-11-15

1980-10-21

Kozma, Thomas J.

Inductor devices

Relatively movable core and coil

Plural relatively movable core parts

336212, 336216, H01F 2106

Patent

active

042297214

ABSTRACT:
A welding transformer with drooping voltage-current characteristic comprising a split magnetic core wound from transformer plate, and separated primary and secondary windings. In the core window, a moving shunt of the magnetic flux is provided between the secondary and primary windings. Where the magnetic flux passes from the core into the magnetic flux shunt, the core is provided with spacing blocks made from transformer plate. Laminations of these spacing blocks are so arranged in relation to the core plate that the magnetic flux does not cross the plane of the core plates but flows towards the magnetic shunt.

REFERENCES:
patent: 1992822 (1935-02-01), Granfield
patent: 3319205 (1967-05-01), Walz et al.
patent: 3919595 (1975-11-01), Willis, Jr.
IBM Technical Disclosure Bulletin, vol. 21, No. 9, Feb. 1979, "Structures Connecting Main Core and Shunt Core in Controlled Transformer," Brocko et al.

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