Device and method for triggering an inductor

Details Device and method for triggering an inductor Device and method for triggering an inductor

2007-11-27

2007-11-27

Jackson, Stephen W. (Department: 2836)

Electricity: electrical systems and devices

Control circuits for electromagnetic devices

For relays or solenoids

Reexamination Certificate

active

11171099

ABSTRACT:
A device and method for triggering an inductor having a trigger circuit and a first and second extinguishing device, the trigger circuit triggering a switch element, which establishes or interrupts a current flow to the inductor, the trigger circuit, in the interruption of the current flow to the inductor, initially operating the first extinguishing device, and, following a free-wheeling extinction time, which does not fall below a minimum time, operating the second extinguishing device, the first and second extinguishing devices extinguishing a current induced in the inductor, and the second extinguishing device extinguishing the induced current more rapidly than the first extinguishing device.

REFERENCES:
patent: 4779034 (1988-10-01), Shepard, Jr.
patent: 6184660 (2001-02-01), Hatular
patent: 42 22 650 (1994-01-01), None

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