Device for operating latching solenoids

Details Device for operating latching solenoids Device for operating latching solenoids

1998-10-30

2000-11-28

Fleming, Fritz

Electricity: electrical systems and devices

Control circuits for electromagnetic devices

For relays or solenoids

361154, H01H 4704

Patent

active

061543543

ABSTRACT:
Disclosed are reliable DC circuits for operating latching solenoids at distances of up to several miles. The circuits allow the use of ordinary gauge buried copper wire without concern for possible deterioration of the wires from the galvanic effect of the inductive field created by the buried wires carrying the direct current. The circuits are simple, inexpensive to build, and extremely energy efficient, and provide an effective deterrent to lightning-induced damage. They significantly reduce the current required by the solenoid, and are compatible for use with battery operated systems.

REFERENCES:
patent: 4686604 (1987-08-01), Gilman
patent: 4716490 (1987-12-01), Alexanian
patent: 4774623 (1988-09-01), Gilman
patent: 5347421 (1994-09-01), Alexanian

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