Relay circuit with cyclical controlled capacitor

Details Relay circuit with cyclical controlled capacitor Relay circuit with cyclical controlled capacitor

1998-02-26

2000-05-09

Gaffin, Jeffrey

Electricity: electrical systems and devices

Control circuits for electromagnetic devices

For relays or solenoids

361155, 361156, H01H 4732

Patent

active

060612266

ABSTRACT:
There is proposed a circuit for operation of at least one relay having an OFF-position and an ON-position, wherein the relay assumes the OFF-position in the event of a component failure of any element of the circuit. In the ON-position of the relay a capacitor, the relay and a voltage source are switched in a predetermined cycle in such a way that in a first time interval of the cycle the voltage source delivers a current which flows through the relay and partially charges up the capacitor and that in a second time interval of the cycle the capacitor delivers the current which flows through the relay, with the capacitor being partially discharged again.

REFERENCES:
patent: 3896346 (1975-07-01), Ule
patent: 3958160 (1976-05-01), Niet et al.
patent: 4257081 (1981-03-01), Sauer et al.
patent: 4271450 (1981-06-01), Nishimura et al.
patent: 4862866 (1989-09-01), Calfus
patent: 5532526 (1996-07-01), Ricco et al.

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