Series to parallel transfer circuit for initiator string

Details Series to parallel transfer circuit for initiator string Series to parallel transfer circuit for initiator string

1975-03-14

1976-04-27

Blunk, Evon C.

Fire extinguishers

Special applications

Condition responsive control

169 28, A62C 3704

Patent

active

039528090

ABSTRACT:
A fire protection system including a plurality of suppressor units activatable to suppress a detected fire; a plurality of electrical current responsive activators, one associated with each of the suppressor units and adapted to induce activation thereof; a control circuit connecting the activators in series and including an actuator for initiating activating current flow to the activators; and an auxiliary circuit for connecting the activators parallel in response to the initiation of activating current flow by the actuator, the auxiliary circuit including a plurality of electronic switches, one connected between the supply and each of the junctions between each pair of series connected activators.

REFERENCES:
patent: 2373819 (1945-04-01), Eaton
patent: 3713491 (1973-01-01), Grabowski et al.

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