초록 ▼

An electronic descaling system to prevent or remove mineral deposits by exposing moving fluids to magnetic and electric fields includes an improved power supply. In particular, the power supply adapts to the varying length, diameter and impedance of attached coil and cable combinations, and still pr

An electronic descaling system to prevent or remove mineral deposits by exposing moving fluids to magnetic and electric fields includes an improved power supply. In particular, the power supply adapts to the varying length, diameter and impedance of attached coil and cable combinations, and still provides the proper current and power levels to effectuate electronic descaling. A constant current D.C. power supply having a regulated D.C. current output level is provided. The substantially constant D.C. current output is then switched in a switching circuit responsive to a switching control signal to provide a bi-directional current through the coil in one direction and then switched to conduct current through the coil in the other direction. The switching frequency of the switching control signal is time variable or constant. The present improved current driver adapts for such varying frequencies while providing a substantially constant D.C. current output level as the frequency of switching control signal varies. The descaling coil provides the proper induced electric and magnetic fields, and the resulting induced electromotive force, for different switching frequencies and for cables with varying lengths and coils with varying diameters.

대표청구항 ▼

[ What is claimed is:] [1.] A method for treating a fluid in a pipe to effect electronic descaling, said method comprising:providing a coil having first and second terminals, said coil being disposed to provide a field through said fluid;generating a D.C. current;applying said D.C. current through e

[ What is claimed is:] [1.] A method for treating a fluid in a pipe to effect electronic descaling, said method comprising:providing a coil having first and second terminals, said coil being disposed to provide a field through said fluid;generating a D.C. current;applying said D.C. current through electric connections so as to pass through said coil in a first direction from said first terminal to said second terminal;interrupting said D.C. current to turn off said D.C. current in said coil; andautomatically regulating said D.C. current ahead of said electric connections so as to maintain said D.C. current at a substantially constant intensity.