Electromagnetic launcher with improved current commutating switc

Details Electromagnetic launcher with improved current commutating switc Electromagnetic launcher with improved current commutating switc

1988-12-23

1990-05-15

Bentley, Stephen C.

Ordnance

Accelerating

124 3, F41F 102

Patent

active

049247506

ABSTRACT:
To improve the performance and life of a charging current-conducting commutating switch in an inductor storage-type electromagnetic launcher, the energy expended in propelling a mass through a breech rail gun section at a high velocity is utilized to generate a current in the breech section rails which flows through the commutating switch in opposition to the inductor charging current. The switch is opened in coordination with the movement of the mass through the launcher with little or no arcing when the current therethrough has been depressed to a minimal level to commutate inductor discharging current into the rails of a longitudinally aligned launch rail gun section of the launcher to accelerate the mass therethrough to a high exit velocity.

REFERENCES:
patent: H357 (1987-11-01), Howland et al.
patent: 4347463 (1982-08-01), Kemeny et al.
patent: 4355561 (1982-10-01), Kemeny et al.
patent: 4369691 (1983-01-01), Baehr, Jr. et al.
patent: 4369692 (1983-01-01), Kemeny
patent: 4433608 (1984-02-01), Deis et al.
patent: 4555972 (1985-12-01), Heyne
patent: 4754687 (1988-07-01), Kemeny

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