Electricity: electrical systems and devices – Control circuits for electromagnetic devices – For relays or solenoids
Patent
1994-04-12
1997-03-04
Fleming, Fritz
Electricity: electrical systems and devices
Control circuits for electromagnetic devices
For relays or solenoids
307143, 361188, 361 7, H02H 1100
Patent
active
056085982
ABSTRACT:
The present invention relates to an effector comprising power contacts for power supply of a receiver. The effector comprises an operating mechanism for the power contacts, this mechanism being actuated by an electromagnet. Between a power circuit for supplying power to the receiver and the return power circuit, there is connected a measuring and processing unit arranged to measure the impedance at the terminals of the power supply circuit of the receiver. This unit is coupled to a contact of the control circuit. The contact is arranged to cut the power supply of the control circuit in the event of a short-circuit of the power supply circuit of the receiver.
REFERENCES:
patent: 3263042 (1966-07-01), Dyer et al.
Dieppedalle Fran.cedilla.ois
Frolla Alain
Fleming Fritz
Gerin Merlin
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