Solenoid valve booster

Details Solenoid valve booster Solenoid valve booster

1997-04-29

1998-04-14

Fleming, Fritz

Electricity: electrical systems and devices

Control circuits for electromagnetic devices

For relays or solenoids

H01H 4704

Patent

active

057400059

ABSTRACT:
A solenoid valve booster includes a control circuit connected between an input of a solenoid valve and AC power. The control circuit is consisted of a positive half wave turn-on voltage control circuit, a negative half wave turn-off delay control circuit, a logic NOR gate circuit, a phase control circuit, a rectifying and filtering circuit, and a start delay circuit. It can reinforce opening force of the solenoid valve, and lessening power consumed by the solenoid valve. Further, an isolate start circuit and an input control may be additionally connected with the booster described above for taking place of a conventional SSR (solid state relay).

REFERENCES:
patent: 4291358 (1981-09-01), Dettman et al.
patent: 4432034 (1984-02-01), Wohlert et al.
patent: 4812945 (1989-03-01), D'Onofrio
patent: 5347421 (1994-09-01), Alexanian

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