Circuit for driving solenoid at high speed with choke coil

Details Circuit for driving solenoid at high speed with choke coil Circuit for driving solenoid at high speed with choke coil

1982-01-28

1983-12-20

Eisenzopf, Reinhard J.

Electricity: electrical systems and devices

Control circuits for electromagnetic devices

Systems for magnetizing, demagnetizing, or controlling the...

361159, H01H 4722

Patent

active

044221231

ABSTRACT:
A circuit for driving a solenoid at a high speed with a choke coil, which has a pair of switching circuits alternatively turned ON and OFF by a transistor, a solenoid coil connected to one of the switching circuits, a resistor connected to the other of the switching circuits, and a choke coil connected in series with the switching circuit and in parallel with a power source. Thus, this circuit can abruptly raise an electric current flowing through the solenoid coil by utilizing the constant current characteristics of the choke coil and the current switching characteristics of the transistor.

REFERENCES:
patent: 3746927 (1973-07-01), Marino

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