Electrical transmission or interconnection systems – With nonswitching means responsive to external nonelectrical... – Temperature responsive
Patent
1986-07-29
1988-06-28
Miller, Stanley D.
Electrical transmission or interconnection systems
With nonswitching means responsive to external nonelectrical...
Temperature responsive
307257, 307641, 328 69, H03K 1760
Patent
active
047541776
ABSTRACT:
A device for magnetic pulse treatment of ferromagnetic materials applicable in the engineering industry and used for changing the physicomechanical properties of materials treated, treats the material in a winding, positive potential being fed from a supply unit across a controllable switch to the anodes of first diodes and cathodes of second diodes which are energized. Capacitors then are charged to the voltage of the supply source for the time for which controllable switch is on. Then at different time intervals control pulses are fed to controlling thyristor electrodes. One capacitor discharges across the winding and energized thyristor; current in specific direction running across the winding. Then, the other capacitor and thyristor discharge and current of opposite direction runs across the winding, thus forming a bipolar pulse magnetic field affecting the material physical and mechanical properties, the magnetization and demagnetization running for about 1 minute.
REFERENCES:
patent: 3643112 (1972-02-01), Perrin
patent: 4017744 (1977-05-01), Johnson
patent: 4571499 (1986-02-01), Wein
Kirilov Kiril D.
Mihailova Janet I.
Pundev Georgi Y.
Todorov Nedelcho H.
Davis B. P.
Miller Stanley D.
N P K "Elektronna Obrabotka Na Materialite I Novi Technologit"
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