Method for driving a relay

Details Method for driving a relay Method for driving a relay

1985-01-07

1986-10-14

Gellner, Michael L.

Electricity: electrical systems and devices

Control circuits for electromagnetic devices

For relays or solenoids

324 73AT, H01H 4700

Patent

active

046176047

ABSTRACT:
A method which prolongs the lifetime of relays and to prevents degraded performance of relays due to oxidized film on relay contacts is presented. The method essentially comprises the alternation of relay switch operation in dry switching mode with operation in wet switching mode. The frequency and duration of operation in wet switching mode is dependent on the characteristics (e.g. construction or materials, etc.) of the relays in use.

REFERENCES:
patent: 4348759 (1982-09-01), Schnurmann

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