Ammunition and explosives – Igniting devices and systems – Ignition or detonation circuit
Patent
1989-05-19
1992-03-03
Johnson, Stephen
Ammunition and explosives
Igniting devices and systems
Ignition or detonation circuit
310357, F42C 1102
Patent
active
050922432
ABSTRACT:
A piezoelectric power supply for a fuze assembly includes a stacked array of piezoelectric ceramic discs, a hollow can for holding the stacked piezoelectric discs, flexible electrical circuits interposed between the discs and the interconnecting respective positive and negative faces of the discs. The can is deformable upon receipt of a predetermined pressure impulse for transmitting the pressure to the discs. The flexible circuits conduct electrical current and provide positive and negative terminals for supplying electrical power upon deformation of the can and the piezoelectric discs by the pressure impulse.
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Hawkins Warren E.
Merhar Donald M.
Alliant Techsystems Inc.
Johnson Stephen
Udseth William T.
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