Bistable contactor drive circuit

Details Bistable contactor drive circuit Bistable contactor drive circuit

2006-01-06

2010-12-28

Nguyen, Danny (Department: 2836)

Electricity: electrical systems and devices

Control circuits for electromagnetic devices

For relays or solenoids

C361S187000

Reexamination Certificate

active

07859816

ABSTRACT:
A bistable contactor drive circuit includes a series branch comprising a first relay coil and a control signal source is connected to a power supply. A third normally closed contact and an eighth normally opened contact of the first relay are connected to a positive electrode of the power supply. A first normally opened contact and a sixth normally closed contact are connected to a negative electrode of the power supply, a second movable contact is connected to a positive electrode of the bistable contactor coil, and a seventh movable contact thereof is connected to a seventh movable contact of a second relay. A negative electrode of the bistable contactor coil is connected to a second movable contact of the second relay. Other connections in the circuit provide for operation of the bistable contactor drive circuit.

REFERENCES:
patent: 5914850 (1999-06-01), Johansson et al.
patent: 6538541 (2003-03-01), Kralik
patent: 6831531 (2004-12-01), Giousouf et al.
patent: 2007/0146956 (2007-06-01), Panzer et al.
patent: 2469544 (2002-01-01), None

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