Repeatable explosive-driven pulse generator system and method

Details Repeatable explosive-driven pulse generator system and method Repeatable explosive-driven pulse generator system and method

1984-11-15

1986-06-10

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Reciprocating

290 1R, H02K 3300

Patent

active

045945217

ABSTRACT:
A repeatable explosive-driven electrical pulse generator system includes an explosive propellant driver in which the chemical charge in a cartridge is exploded by impact of the driver's firing pin by the hammer of an actuator. The chemical energy released by the explosion drives a piston and piston rod within a cylinder of the driver from an initial retracted position to an extended position. Simultaneously, a high coercivity permanent magnet attached to the piston rod and disposed between the poles of a magnetic circuit in a slot of a ferromagnetic core is ejected from the magnetic circuit. Such rapid ejection causes rapid decrease in the flux flow in the magnetic circuit and generation of an electrical pulse in a coil coupled in the magnetic circuit. The restoring action of a reset spring and pneudraulic device compressed by the movement of the permanent magnet returns the magnet and piston rod to their initial positions where they are set for a repetition of the operating cycle of the generator system.

REFERENCES:
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patent: 2870675 (1959-01-01), Salisbury
patent: 3257905 (1966-06-01), Weisman et al.
patent: 3259769 (1966-07-01), Stott
patent: 3337760 (1967-08-01), Allport
patent: 3356869 (1967-12-01), Hilton et al.
patent: 3478231 (1969-11-01), Knoepfel et al.
patent: 4370576 (1983-01-01), Foster, Jr. et al.

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