Multiple pulse cartridge ignition system

Details Multiple pulse cartridge ignition system Multiple pulse cartridge ignition system

2006-05-23

2006-05-23

Clement, M. (Department: 3641)

Ammunition and explosives

Igniting devices and systems

Electrical primer or ignitor

C102S200000, C102S202000, C102S217000

Reexamination Certificate

active

07047885

ABSTRACT:
An electronically controlled multi-pulse ignitor ignites a cartridge used to launch a projectile. An electronics module is programmed with a temperature performance profile for the cartridge. A temperature sensor is coupled to supply current cartridge temperature data to the electronics module. A first event ignitor is coupled to the electronics module and initiates a ballistic cycle upon command from the electronics module. A translation mechanism, including a first charge coupled to the first event ignitor, moves the projectile forward to increase the free volume in the cartridge. A second event ignitor, coupled to receive a second event ignition signal from the electronics module, ignites the main propellant charge on receiving the second event ignition signal from the electronics module, where the timing of ignition of the second event ignitor is determined by the temperature performance profile and the current cartridge temperature data.

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