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(19)

(11)

2 361 308

(13)

(51)

IPC

H01F29/10(2006-01-01)

H01F21/08(2006-01-01)

H01F3/08(2006-01-01)

(21) (22)

Application

2008111421/09, 2008-03-24

(24)

Start date

2008-03-24

(22)

Actual filing date

2008-03-24

(45)

Published

2009-07-10

(72)

Inventor

Khanevich Vasilij SemenovichKhanevich Semen Vasil'EvichGnatjuk Viktor IvanovichDubovik Andrej MikhajlovichPersijantsev Evgenij Viktorovich

(73)

Holder

Federal'Noe Gosudarstvennoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Gosudarstvennyj Tekhnicheskijuniversitet"

ARC-WELDING TRANSFORMER Russian patent published in 2009 - IPC H01F29/10 H01F21/08 H01F3/08

Abstract RU 2361308 C1

FIELD: electric engineering.

SUBSTANCE: invention relates to electric engineering. The transformer is comprised of two double-window magnetic cores (1), primary (2) and secondary (3) windings, and hollow rod (4) with wounded choke (5) winding. The said hollow rod is filled with magnetic liquid (6) and connected to tank (11) with magnetic liquid (6) by means of pipeline (7) through reverse switch (9), operated hydraulic pump (8). The above-mentioned switch is installed in electrode (10) holder handle. There is hole (12) in rod wall (4) whereby inner cavity of rod (4) communicates with atmosphere.

EFFECT: smooth remote control of welding current and improved reliability of operation.

1 dwg

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RU 2 361 308 C1

Authors

Khanevich Vasilij Semenovich

Khanevich Semen Vasil'Evich

Gnatjuk Viktor Ivanovich

Dubovik Andrej Mikhajlovich

Persijantsev Evgenij Viktorovich

Dates

2009-07-10—Published

2008-03-24—Filed