Solenoid valve current-programme control device

Details Solenoid valve current-programme control device Solenoid valve current-programme control device

1977-11-03

1979-10-30

Moose, Jr., Harry E.

Electricity: electrical systems and devices

Control circuits for electromagnetic devices

For relays or solenoids

361154, H01H 4704

Patent

active

041730313

ABSTRACT:
Device for controlling by means of a current program a plurality of solenoid valves operating independently. Each solenoid is provided with a current flow control circuit having two inputs. The first input receives a first control signal which determines the duration of each actuation of the corresponding solenoid valve. The second input receives a second control signal derived from the first signal and of lesser duration. The current flow control circuit then provides a pull current to actuate the solenoid in response to these input signals.

REFERENCES:
patent: 3097353 (1963-07-01), Carter
patent: 3243665 (1966-03-01), Fayer et al.
patent: 3586983 (1971-06-01), Marsh, Jr.
patent: 3665901 (1972-05-01), Monpetit et al.
patent: 3874255 (1975-04-01), Minami
patent: 3881453 (1975-05-01), Harper et al.
patent: 3953741 (1976-04-01), Winkelmann

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