Means for and a method of initiating explosions

Details Means for and a method of initiating explosions Means for and a method of initiating explosions

1981-12-14

1983-12-27

Jordan, Charles T.

Ammunition and explosives

Igniting devices and systems

Ignition or detonation circuit

F42C 1100

Patent

active

044223781

ABSTRACT:
An alternating current generator for use as a shot exploder suitable for firing electric detonators coupled through toroid transformers e.g. `Magnadet` detonators. The detonating system is energized by means of a signal that is automatically generated at the resonant frequency, thus avoiding the usual time-consuming and dangerous practice involving in-situ determination of inductance and selection of capacitors. A power oscillator having a transistor is used to supply the energizing signal. This transistor is switched by a current feedback signal. In the preferred form a transformer is located in series with the output, the secondary of the transformer driving the transistor.

REFERENCES:
patent: 2396914 (1946-03-01), Cook
patent: 3166689 (1965-01-01), Butenbach
patent: 3171063 (1965-02-01), Hutchison et al.
patent: 3255366 (1966-06-01), McNulty
patent: 4041870 (1977-08-01), Ettel
patent: 4141297 (1979-02-01), Sellwood
patent: 4273051 (1981-06-01), Stratton
patent: 4297947 (1981-11-01), Jones et al.

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