Driver for high speed solenoid actuator

Details Driver for high speed solenoid actuator Driver for high speed solenoid actuator

1988-08-26

1990-08-14

Leung, Philip H.

Electricity: electrical systems and devices

Control circuits for electromagnetic devices

Systems for magnetizing, demagnetizing, or controlling the...

361160, H01H 4700

Patent

active

049492152

ABSTRACT:
A method and apparatus for solenoid driver control of high speed solenoid actuators which includes supplying a high regulated level of acceleration current to operate the actuator, monitoring and controlling the current requirements of solenoid actuation, automatically reducing the solenoid current at a rapid rate to a lesser level of regulated solenoid hold current for the remaining duration of actuator operation, and rapidly reducing the solenoid current between acceleration and holding levels and for rapid solenoid release. Current is controlled at the different levels using switch mode power control techniques for power efficiency.

REFERENCES:
patent: 4114184 (1978-09-01), Stampfi
patent: 4173030 (1979-10-01), Rabe
patent: 4310868 (1982-01-01), Lillie et al.
patent: 4578734 (1986-03-01), Delbossse
patent: 4720762 (1988-01-01), Estes

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