Repulsion coil actuator for high speed high power circuits

Details Repulsion coil actuator for high speed high power circuits Repulsion coil actuator for high speed high power circuits

1977-02-18

1978-04-25

Goldberg, Gerald

Electricity: electrical systems and devices

Control circuits for electromagnetic devices

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

200144R, 335177, 335266, 361194, 361210, H01H 4722

Patent

active

040866459

ABSTRACT:
A pair of pancake-like coils have a coil axis substantially colinear with one coil mounted to a framework and the other coil mounted on a movable member. The coils are wound such that when electrically energized simultaneously the resulting magnetic fields are in opposition, thereby producing a repelling force therebetween. A spring is disposed between the framework and the movable member to urge the movable member in a sense opposite to the repelling force. A power supply is connected to the coil pair providing for a high initial energy transfer and a lower sustaining energy transfer. A shock absorber is mounted on the framework to arrest the moving member which is set in motion by the repelling force. An armature is attached to the moving member which enters the field of a holding coil as the moving member is displaced by the repelling force. When the holding coil is energized with the armature situated therein, the moving member is held against the spring force.

REFERENCES:
patent: 3524958 (1970-08-01), Frink
patent: 3531608 (1970-09-01), Bateman
patent: 3534304 (1970-10-01), Robinson et al.
patent: 3549842 (1970-12-01), Fischer et al.
patent: 3551623 (1970-12-01), Colclaser, Jr.
patent: 3614543 (1971-10-01), Dick

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