Multi-stage electromagnetic launcher with self-switched inductiv

Details Multi-stage electromagnetic launcher with self-switched inductiv Multi-stage electromagnetic launcher with self-switched inductiv

1986-11-24

1988-07-05

Bentley, Stephen C.

Ordnance

Accelerating

124 3, 361159, F41F 102

Patent

active

047546875

ABSTRACT:
An electromagnetic launcher having spaced-apart rails for launching a projectile includes a plurality of stages connected to the rails for supplying makeup current during a projectile launch. Each stage includes an inductive power supply and an electrically conducting loop physically adjacent the rails for a predetermined length and including a conducting switch, such as a controlled rectifier array. As a projectile launching armature enters the loop area, a countercurrent is built up in the loop and at current zero the switch reverts to a non-conducting condition, thereby causing injection of the inductive current into the rails.

REFERENCES:
patent: 4319168 (1982-03-01), Kemeny
patent: 4343223 (1982-08-01), Hawke et al.
patent: 4572964 (1986-02-01), Honig

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