Vibration resistant initiator assembly having exploding foil initiator
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United States of America Patent
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Dec 22, 2020
Grant Date -
Apr 9, 2020
app pub date -
Dec 6, 2019
filing date -
May 22, 2017
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An initiator assembly that includes a housing assembly, an exploding foil initiator, an input charge and an output charge. The housing assembly defines a first cavity, a second cavity, and a bulkhead member between the first and second cavities. The exploding foil initiator is received in the housing assembly and includes a bridge, a flyer and a barrel. The flyer overlies the bridge and is disposed between the barrel and the bridge. The barrel defines a barrel aperture. The input charge, which is formed of a secondary explosive, is received in the housing assembly and is disposed in-line with the barrel aperture. The output charge assembly is received in the housing assembly and is formed of a secondary explosive. Energy released from detonation of the input charge in response to operation of the exploding foil initiator penetrates the bulkhead and initiates detonation of the output charge.
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